@anthropic-ai/sdk
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The official TypeScript library for the Anthropic API
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# Changelog
## 0.115.0 (2026-07-24)
Full Changelog: [sdk-v0.114.0...sdk-v0.115.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.114.0...sdk-v0.115.0)
### Features
* **api:** add claude-opus-5 model ([cdd3606](https://github.com/anthropics/anthropic-sdk-typescript/commit/cdd3606e92745b8a6af07819469cf5dc0636edb2))
* **api:** add tool addition/removal blocks and tool_change events ([cdd3606](https://github.com/anthropics/anthropic-sdk-typescript/commit/cdd3606e92745b8a6af07819469cf5dc0636edb2))
* **api:** expand client-side fallback credit token types and add server-side fallbacks default option ([cdd3606](https://github.com/anthropics/anthropic-sdk-typescript/commit/cdd3606e92745b8a6af07819469cf5dc0636edb2))
### Bug Fixes
* **client:** release abort listeners when requests settle ([#1129](https://github.com/anthropics/anthropic-sdk-typescript/issues/1129)) ([b85e902](https://github.com/anthropics/anthropic-sdk-typescript/commit/b85e902669c78a8293b5390e93e57dd2e3f6c545))
## 0.114.0 (2026-07-23)
Full Changelog: [sdk-v0.113.0...sdk-v0.114.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.113.0...sdk-v0.114.0)
### Features
* **api:** add new stop reason 'model_context_window_exceeded' ([1ec71c1](https://github.com/anthropics/anthropic-sdk-typescript/commit/1ec71c165d9737cb317e3f8fed818f7a1b8169ad))
## 0.113.0 (2026-07-22)
Full Changelog: [sdk-v0.112.5...sdk-v0.113.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.5...sdk-v0.113.0)
### Features
* **api:** add support for Managed Agents model effort, initial session events, and threads delta streaming ([83fef1e](https://github.com/anthropics/anthropic-sdk-typescript/commit/83fef1e5a65f020750b1f90c46d748a415b6f075))
## 0.112.5 (2026-07-21)
Full Changelog: [sdk-v0.112.4...sdk-v0.112.5](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.4...sdk-v0.112.5)
### Chores
* **api:** add support for new refusal category ([479efe8](https://github.com/anthropics/anthropic-sdk-typescript/commit/479efe8ade0078966e28d754fa3085c75b6d2a58))
* **internal:** codegen related update ([830fb74](https://github.com/anthropics/anthropic-sdk-typescript/commit/830fb7467c3cc947e31b5d83a2a31d34fc8ebac2))
## 0.112.4 (2026-07-20)
Full Changelog: [sdk-v0.112.3...sdk-v0.112.4](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.3...sdk-v0.112.4)
### Bug Fixes
* **aws:** preserve AWS options and auth mode across withOptions() ([#214](https://github.com/anthropics/anthropic-sdk-typescript/issues/214)) ([3f7665c](https://github.com/anthropics/anthropic-sdk-typescript/commit/3f7665c5419eb80c489546a70da799648e7d5ff2))
### Chores
* **docs:** small updates ([97f68a8](https://github.com/anthropics/anthropic-sdk-typescript/commit/97f68a88e13ba11b1e903d2d7181da3e4edd5c10))
## 0.112.3 (2026-07-17)
Full Changelog: [sdk-v0.112.2...sdk-v0.112.3](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.2...sdk-v0.112.3)
### Chores
* **docs:** small updates ([79fd6c7](https://github.com/anthropics/anthropic-sdk-typescript/commit/79fd6c7dd046e066965aa7ab9897695c174f88bb))
## 0.112.2 (2026-07-17)
Full Changelog: [sdk-v0.112.1...sdk-v0.112.2](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.1...sdk-v0.112.2)
### Chores
* **client:** docs updates ([fdb3a65](https://github.com/anthropics/anthropic-sdk-typescript/commit/fdb3a65501a809b4e949131f2097dc0d84e01cc7))
## 0.112.1 (2026-07-16)
Full Changelog: [sdk-v0.112.0...sdk-v0.112.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.112.0...sdk-v0.112.1)
## 0.112.0 (2026-07-16)
Full Changelog: [sdk-v0.111.0...sdk-v0.112.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.111.0...sdk-v0.112.0)
### Features
* **api:** add support for MCP Tunnels ([597ac41](https://github.com/anthropics/anthropic-sdk-typescript/commit/597ac4181f318e46fb974e716467648587e95362))
## 0.111.0 (2026-07-10)
Full Changelog: [sdk-v0.110.0...sdk-v0.111.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.110.0...sdk-v0.111.0)
### Features
* **api:** add support for dreaming ([77b28a6](https://github.com/anthropics/anthropic-sdk-typescript/commit/77b28a647239fd66d3a31b04fca4a58ebc86e493))
* **tools:** gate session tool calls on evaluated_permission; bound idle by server stop_reason ([68a6d7b](https://github.com/anthropics/anthropic-sdk-typescript/commit/68a6d7b92aaea4d3eaf3a7567db18e3bf6d695ef))
### Chores
* **docs:** small updates to field descriptions ([e25b885](https://github.com/anthropics/anthropic-sdk-typescript/commit/e25b885eacbf26332e6133abff2ea7d72fef2b30))
* **docs:** update model example ([a33f3f0](https://github.com/anthropics/anthropic-sdk-typescript/commit/a33f3f0b7cee244f2dc894900e9fa07cf686228b))
* **docs:** updates to descriptions and examples ([eac4bac](https://github.com/anthropics/anthropic-sdk-typescript/commit/eac4bace325ae901465edf7a503183f669c3c2d8))
## 0.110.0 (2026-07-02)
Full Changelog: [sdk-v0.109.1...sdk-v0.110.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.109.1...sdk-v0.110.0)
### Features
* **api:** add agent-memory-2026-07-22 beta header ([a470e10](https://github.com/anthropics/anthropic-sdk-typescript/commit/a470e10aaad12078e3e5f2bb9adf6c2652ea9ca0))
## 0.109.1 (2026-07-01)
Full Changelog: [sdk-v0.109.0...sdk-v0.109.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.109.0...sdk-v0.109.1)
### Chores
* **api:** remove some nonfunctional types from the SDKs ([cc4dd4e](https://github.com/anthropics/anthropic-sdk-typescript/commit/cc4dd4e257cc3354f14e263b0d2441ddae71759e))
## 0.109.0 (2026-06-30)
Full Changelog: [sdk-v0.108.0...sdk-v0.109.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.108.0...sdk-v0.109.0)
### Features
* **api:** add support for Managed Agents event delta streaming, agent overrides, reverse pagination, vault credential injection scoping, and agent and deployment webhook events ([7f3211b](https://github.com/anthropics/anthropic-sdk-typescript/commit/7f3211b4886053d25e98b91edc90fedc199ef186))
## 0.108.0 (2026-06-30)
Full Changelog: [sdk-v0.107.0...sdk-v0.108.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.107.0...sdk-v0.108.0)
### Features
* **api:** add support for claude-sonnet-5 ([4588db0](https://github.com/anthropics/anthropic-sdk-typescript/commit/4588db01eccd7529a5d2e99b8e5da3af1acdbbc8))
### Bug Fixes
* **agent-toolset:** allow absolute paths that resolve inside workdir ([#112](https://github.com/anthropics/anthropic-sdk-typescript/issues/112)) ([e951fb2](https://github.com/anthropics/anthropic-sdk-typescript/commit/e951fb2ed70f8d6cd0113ae1642a795404e1cc9a))
### Chores
* format README.md ([#176](https://github.com/anthropics/anthropic-sdk-typescript/issues/176)) ([98dcff7](https://github.com/anthropics/anthropic-sdk-typescript/commit/98dcff71b632a92e0e1dff19ca4a95439a5fe447))
## 0.107.0 (2026-06-29)
Full Changelog: [sdk-v0.106.0...sdk-v0.107.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.106.0...sdk-v0.107.0)
### Features
* **api:** add support for 20260318 web fetch and support tools ([d7057ea](https://github.com/anthropics/anthropic-sdk-typescript/commit/d7057ea73ba564d1e89cff40c58a85d9375ccbbf))
### Bug Fixes
* **agent-toolset:** bound canonicalize symlink hops; resolve glob matches before confinement check ([#142](https://github.com/anthropics/anthropic-sdk-typescript/issues/142)) ([277be80](https://github.com/anthropics/anthropic-sdk-typescript/commit/277be80af68eb088e954c0008dc1aa932375afe2))
* **types:** restore BatchCreateParams.Request.params dropped by codegen merge ([#165](https://github.com/anthropics/anthropic-sdk-typescript/issues/165)) ([c6b68d2](https://github.com/anthropics/anthropic-sdk-typescript/commit/c6b68d248e037617017fc00f928dbeb9091f917d))
### Chores
* **api:** accept user profile ID's when counting tokens ([6cda67e](https://github.com/anthropics/anthropic-sdk-typescript/commit/6cda67e3b9d97505aa24e318cd22e28837760025))
* **docs:** updates to descriptions and example values ([51a5f81](https://github.com/anthropics/anthropic-sdk-typescript/commit/51a5f8138f8e771a84456628ec9d31b6257d2f3f))
### Documentation
* update readme requirements to match anthropic docs ([#146](https://github.com/anthropics/anthropic-sdk-typescript/issues/146)) ([3818412](https://github.com/anthropics/anthropic-sdk-typescript/commit/3818412d371372fa1054b34a7293853fb3bfbef3))
## 0.106.0 (2026-06-24)
Full Changelog: [sdk-v0.105.0...sdk-v0.106.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.105.0...sdk-v0.106.0)
### Features
* **client:** add support for system.message streaming events ([a7c14b7](https://github.com/anthropics/anthropic-sdk-typescript/commit/a7c14b7ffc8295e34d8c159d1374f170d2b87767))
### Bug Fixes
* **helpers:** single source for x-stainless-helper, append semantics, and tag the fallback middleware ([#107](https://github.com/anthropics/anthropic-sdk-typescript/issues/107)) ([106bea0](https://github.com/anthropics/anthropic-sdk-typescript/commit/106bea081439ece2cb0170e56b24c5f039af5e16))
### Chores
* **api:** add support for new refusal category ([b38fd01](https://github.com/anthropics/anthropic-sdk-typescript/commit/b38fd01d15bcd519aa66cd640a8ad40310ae9d01))
* **api:** add support for sending User Profile ID in request headers ([198583e](https://github.com/anthropics/anthropic-sdk-typescript/commit/198583e2fc3236f62a85ef7be0bfdfdea2164264))
## 0.105.0 (2026-06-18)
Full Changelog: [sdk-v0.104.2...sdk-v0.105.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.104.2...sdk-v0.105.0)
### Features
* **api:** add support for new code_execution_20260120 tool ([8dc2b54](https://github.com/anthropics/anthropic-sdk-typescript/commit/8dc2b54ee9f19cfc0a8f5cb49d0e1b93f4a4cadd))
* **stream:** lazily parse partial tool json input ([#99](https://github.com/anthropics/anthropic-sdk-typescript/issues/99)) ([e55ceee](https://github.com/anthropics/anthropic-sdk-typescript/commit/e55ceee5e3053ada96a7fe008b1fd6ebc0e42544))
### Chores
* **internal/deps:** bump swc to 1.15.40 ([#97](https://github.com/anthropics/anthropic-sdk-typescript/issues/97)) ([a1d4d75](https://github.com/anthropics/anthropic-sdk-typescript/commit/a1d4d7549251f88100f44b0350f6123c9cbea5ec))
* **internal:** use are the types wrong directly ([#94](https://github.com/anthropics/anthropic-sdk-typescript/issues/94)) ([3d362af](https://github.com/anthropics/anthropic-sdk-typescript/commit/3d362afd0aade3d18f10e61a5e4809c0bd495768))
* **tests:** stop using deprecated models ([#98](https://github.com/anthropics/anthropic-sdk-typescript/issues/98)) ([65ae1af](https://github.com/anthropics/anthropic-sdk-typescript/commit/65ae1afee1bb76179c58e1758a48d668e3fcf7b3))
## 0.104.2 (2026-06-15)
Full Changelog: [sdk-v0.104.1...sdk-v0.104.2](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.104.1...sdk-v0.104.2)
### Chores
* **api:** remove retired models from API and SDKs ([a942876](https://github.com/anthropics/anthropic-sdk-typescript/commit/a94287690a383ba34aa0d2ad9e0262eeb9241bd3))
## 0.104.1 (2026-06-09)
Full Changelog: [sdk-v0.104.0...sdk-v0.104.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.104.0...sdk-v0.104.1)
### Bug Fixes
* **api:** add `frontier_llm` refusal category ([465e686](https://github.com/anthropics/anthropic-sdk-typescript/commit/465e6866d66952c0a0a9eb2c465b2e4389da58f1))
## 0.104.0 (2026-06-09)
Full Changelog: [sdk-v0.103.0...sdk-v0.104.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.103.0...sdk-v0.104.0)
### Features
* **api:** add support for Managed Agents deployments and environment variable credentials ([d01e38b](https://github.com/anthropics/anthropic-sdk-typescript/commit/d01e38b5b6f62400450b727d9724ea00a6b1eaf5))
## 0.103.0 (2026-06-09)
Full Changelog: [sdk-v0.102.0...sdk-v0.103.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.102.0...sdk-v0.103.0)
### Features
* **api:** add support for claude-mythos-5 and claude-fable-5, with support for server-side fallbacks on refusal ([cc337f7](https://github.com/anthropics/anthropic-sdk-typescript/commit/cc337f72dcf22d2ffd92f511918330f37ffab652))
* **client:** adds client-side fallbacks middleware for API providers that do not support server-side fallbacks ([cc337f7](https://github.com/anthropics/anthropic-sdk-typescript/commit/cc337f72dcf22d2ffd92f511918330f37ffab652))
* **middleware:** add ctx.logger ([#55](https://github.com/anthropics/anthropic-sdk-typescript/issues/55)) ([edd1454](https://github.com/anthropics/anthropic-sdk-typescript/commit/edd14544173cf60ee2a2bf01acbf14e50bcfdaaa))
### Bug Fixes
* **client:** 3p middleware ordering ([#53](https://github.com/anthropics/anthropic-sdk-typescript/issues/53)) ([2a4c339](https://github.com/anthropics/anthropic-sdk-typescript/commit/2a4c339e6887aa2e8e1278c7b22d3732cf64a76c))
## 0.102.0 (2026-06-06)
Full Changelog: [sdk-v0.101.0...sdk-v0.102.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.101.0...sdk-v0.102.0)
### Features
* **api:** small updates to Managed Agents types ([8ba4f92](https://github.com/anthropics/anthropic-sdk-typescript/commit/8ba4f92df32eb434503b8c69bc7328adc5edcbec))
### Bug Fixes
* **client:** run middleware before request signing ([#45](https://github.com/anthropics/anthropic-sdk-typescript/issues/45)) ([95f1a4a](https://github.com/anthropics/anthropic-sdk-typescript/commit/95f1a4a406c95aa31855fa1178fedfcb19978e16))
## 0.101.0 (2026-06-05)
Full Changelog: [sdk-v0.100.1...sdk-v0.101.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.100.1...sdk-v0.101.0)
### Features
* **client:** add support for middleware ([9b01120](https://github.com/anthropics/anthropic-sdk-typescript/commit/9b011207965540211cefb19d44d758b7942aedab))
### Bug Fixes
* apply request timeout to inner fetch only, not middleware chain ([#40](https://github.com/anthropics/anthropic-sdk-typescript/issues/40)) ([25c13f6](https://github.com/anthropics/anthropic-sdk-typescript/commit/25c13f6183391f006396f16a9bd9a2c2f710d52c))
* **streaming:** carry stop_details through beta message_delta accumulation ([ed3fec7](https://github.com/anthropics/anthropic-sdk-typescript/commit/ed3fec7ace406fe4b0ca3494439061695dabf475))
* **streaming:** correctly parse json numbers with scientific notation ([#9](https://github.com/anthropics/anthropic-sdk-typescript/issues/9)) ([7d5e642](https://github.com/anthropics/anthropic-sdk-typescript/commit/7d5e6422dc5b58bc991c1587c4f1a0e8e753f2a5))
### Chores
* **internal:** fix artifact url ([925ec27](https://github.com/anthropics/anthropic-sdk-typescript/commit/925ec276fa97baf63d3643f24430bd2a8302c5dc))
* **internal:** fix branch names ([fa3cf2c](https://github.com/anthropics/anthropic-sdk-typescript/commit/fa3cf2c491f0ed274dc7839779f7fd91c15b5dbf))
* **internal:** update private repo name ([a8ac213](https://github.com/anthropics/anthropic-sdk-typescript/commit/a8ac213b8ce0955bd66f0b2f5bcecc2976867fb2))
### Documentation
* point security reports to Anthropic's HackerOne program ([#16](https://github.com/anthropics/anthropic-sdk-typescript/issues/16)) ([5c7912c](https://github.com/anthropics/anthropic-sdk-typescript/commit/5c7912c36e0210c6cbc773a32a7ba983aaf611df))
## 0.100.1 (2026-05-29)
Full Changelog: [sdk-v0.100.0...sdk-v0.100.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.100.0...sdk-v0.100.1)
### Bug Fixes
* **streaming:** carry encrypted_content on beta compaction blocks ([#1025](https://github.com/anthropics/anthropic-sdk-typescript/issues/1025)) ([eccddf3](https://github.com/anthropics/anthropic-sdk-typescript/commit/eccddf3ed28645bceed2f3b6eb7826466377f1e8))
### Chores
* **client:** update lockfiles to have proper dependencies on standardwebhooks ([5e9b523](https://github.com/anthropics/anthropic-sdk-typescript/commit/5e9b5237e53aefda65637bd11eb0d07f50bbc952))
## 0.100.0 (2026-05-28)
Full Changelog: [sdk-v0.99.0...sdk-v0.100.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.99.0...sdk-v0.100.0)
### Features
* **api:** Add support for claude-opus-4-8, mid-conversation system blocks, and usage.output_tokens_details ([bb0bf27](https://github.com/anthropics/anthropic-sdk-typescript/commit/bb0bf278ea0afdf383b6ea711cadf3ab788ea84a))
### Documentation
* replace literal newlines ([66ba142](https://github.com/anthropics/anthropic-sdk-typescript/commit/66ba1421737231e50bcef295b4437ce60cc90be2))
## 0.99.0 (2026-05-27)
Full Changelog: [sdk-v0.98.1...sdk-v0.99.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.98.1...sdk-v0.99.0)
### Features
* support custom file size caps ([#1029](https://github.com/anthropics/anthropic-sdk-typescript/issues/1029)) ([814cd4c](https://github.com/anthropics/anthropic-sdk-typescript/commit/814cd4c6b5b01e9640d52738d87fa61fc62991e7))
### Bug Fixes
* **streaming:** carry stop_details through message_delta accumulation ([#1027](https://github.com/anthropics/anthropic-sdk-typescript/issues/1027)) ([198bc27](https://github.com/anthropics/anthropic-sdk-typescript/commit/198bc277fdfccabe5e9f8a7723a2aa191b46af33))
## 0.98.1 (2026-05-26)
Full Changelog: [sdk-v0.98.0...sdk-v0.98.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.98.0...sdk-v0.98.1)
### Bug Fixes
* **client:** preserve directory prefix in skills.versions.create uploads ([#1024](https://github.com/anthropics/anthropic-sdk-typescript/issues/1024)) ([abbcd6a](https://github.com/anthropics/anthropic-sdk-typescript/commit/abbcd6a47d84bc6efcf259f0f803158847f255cf))
### Chores
* **client:** swap to using Trusted Publishing ([821a50e](https://github.com/anthropics/anthropic-sdk-typescript/commit/821a50ef1fd64270e09c026a3235a34c647cdfab))
* **examples:** rename managed-agents private-sandbox-worker example to self-hosted-sandbox-worker ([#1023](https://github.com/anthropics/anthropic-sdk-typescript/issues/1023)) ([49fe221](https://github.com/anthropics/anthropic-sdk-typescript/commit/49fe221fe444a72715a16e4ea2e318e54ba91d4a))
## 0.98.0 (2026-05-21)
Full Changelog: [sdk-v0.97.1...sdk-v0.98.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.97.1...sdk-v0.98.0)
### Features
* **api:** Add support for thinking-token-count beta for estimated tokens in thinking block deltas when streaming ([0528d47](https://github.com/anthropics/anthropic-sdk-typescript/commit/0528d47b0a390ee7f88d72f85ffe6079ae1c6c00))
## 0.97.1 (2026-05-19)
Full Changelog: [sdk-v0.97.0...sdk-v0.97.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.97.0...sdk-v0.97.1)
### Bug Fixes
* **runner:** skip tool calls SessionToolRunner does not own ([9987379](https://github.com/anthropics/anthropic-sdk-typescript/commit/9987379abeaf28b17edb5518ac229d2a6caa4bf6))
## 0.97.0 (2026-05-19)
Full Changelog: [sdk-v0.96.0...sdk-v0.97.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.96.0...sdk-v0.97.0)
### Features
* **client:** Add support for self-hosted sandboxes in CMA with sandbox helpers ([659a343](https://github.com/anthropics/anthropic-sdk-typescript/commit/659a343c820e316229715466b64e420428ee762b))
### Bug Fixes
* **typescript:** upgrade tsc-multi so that it works with Node 26 ([623f71c](https://github.com/anthropics/anthropic-sdk-typescript/commit/623f71c848ce9b3b88eb08e009b6b3d08a6e5c1c))
### Chores
* **tests:** remove redundant File import ([cf821fc](https://github.com/anthropics/anthropic-sdk-typescript/commit/cf821fcc06f84cb2150cc0ed4ddb862b5d67f633))
## 0.96.0 (2026-05-13)
Full Changelog: [sdk-v0.95.2...sdk-v0.96.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.95.2...sdk-v0.96.0)
### Features
* **api:** Add BetaManagedAgentsSearchResultBlock types ([08f02f3](https://github.com/anthropics/anthropic-sdk-typescript/commit/08f02f3d0c34a9563b17af40b227acf3b105f8a3))
* **api:** Add support for cache diagnostics beta ([eafbd6d](https://github.com/anthropics/anthropic-sdk-typescript/commit/eafbd6d78b81253c79cb861de6a9232b18eb60de))
### Bug Fixes
* **zod:** ensure only zod/v4 types are used ([#992](https://github.com/anthropics/anthropic-sdk-typescript/issues/992)) ([9e08bcc](https://github.com/anthropics/anthropic-sdk-typescript/commit/9e08bcc988697c195b31569b7519b7954aea6372))
### Chores
* **api:** spec updates ([27d64ef](https://github.com/anthropics/anthropic-sdk-typescript/commit/27d64ef828dc4ec11d44118a7ed1fcf83d67da0d))
## 0.95.2 (2026-05-11)
Full Changelog: [sdk-v0.95.1...sdk-v0.95.2](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.95.1...sdk-v0.95.2)
## 0.95.1 (2026-05-07)
Full Changelog: [sdk-v0.95.0...sdk-v0.95.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.95.0...sdk-v0.95.1)
### Chores
* redact api-key headers in debug logs ([fad8fee](https://github.com/anthropics/anthropic-sdk-typescript/commit/fad8feeb51d1b9bafaf85cf8345bb28627728e00))
## 0.95.0 (2026-05-06)
Full Changelog: [sdk-v0.94.0...sdk-v0.95.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.94.0...sdk-v0.95.0)
### Features
* **api:** add support for Managed Agents multiagents and outcomes, webhooks, vault validation ([e0c0e9b](https://github.com/anthropics/anthropic-sdk-typescript/commit/e0c0e9bef90b1919a5b806eb252e028981841e68))
### Bug Fixes
* **api:** Adjust webhook configuration ([deed3f6](https://github.com/anthropics/anthropic-sdk-typescript/commit/deed3f6290c0728dfc688e19117e1c01efb81a52))
## 0.94.0 (2026-05-05)
Full Changelog: [sdk-v0.93.0...sdk-v0.94.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.93.0...sdk-v0.94.0)
### Features
* **client:** allow targeting a workspace for OIDC federation token exchange ([bde6620](https://github.com/anthropics/anthropic-sdk-typescript/commit/bde6620d68c2dd9e8e641b4cfed8847486ff046f))
## 0.93.0 (2026-05-04)
Full Changelog: [sdk-v0.92.0...sdk-v0.93.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.92.0...sdk-v0.93.0)
### Features
* **client:** add Workload Identity Federation, interactive OAuth, and auth profiles ([d5d6abd](https://github.com/anthropics/anthropic-sdk-typescript/commit/d5d6abdb1976db389aca87553ffedab2414e0d77))
## 0.92.0 (2026-04-30)
Full Changelog: [sdk-v0.91.1...sdk-v0.92.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.91.1...sdk-v0.92.0)
### Features
* **api:** improve Managed Agents APIs ([ca1bf4a](https://github.com/anthropics/anthropic-sdk-typescript/commit/ca1bf4a9b278fddc7f082b1c4f2b3a3e4e20298d))
* support setting headers via env ([32f67d4](https://github.com/anthropics/anthropic-sdk-typescript/commit/32f67d47952b12bb930c8bbfe87ab2ba2aee1882))
### Bug Fixes
* **bedrock:** throw APIError for error events delivered in chunk frames ([#1021](https://github.com/anthropics/anthropic-sdk-typescript/issues/1021)) ([3ae887b](https://github.com/anthropics/anthropic-sdk-typescript/commit/3ae887b89bde1721c75dc9c9812cb9ac191ffc92))
### Chores
* **format:** run eslint and prettier separately ([7ce257c](https://github.com/anthropics/anthropic-sdk-typescript/commit/7ce257c1b1ad9ff4e1cee19e82851bcb65e0e044))
* **internal:** codegen related update ([f08cc77](https://github.com/anthropics/anthropic-sdk-typescript/commit/f08cc771efd596026f4247ecff418e7ef6a3b38a))
## 0.91.1 (2026-04-24)
Full Changelog: [sdk-v0.91.0...sdk-v0.91.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.91.0...sdk-v0.91.1)
### Bug Fixes
* **memory:** use restrictive file mode for memory files ([#901](https://github.com/anthropics/anthropic-sdk-typescript/issues/901)) ([6db3b7e](https://github.com/anthropics/anthropic-sdk-typescript/commit/6db3b7e2218430971cbc137081b5a55ad593fca8))
### Chores
* **formatter:** run prettier and eslint separately ([974d22f](https://github.com/anthropics/anthropic-sdk-typescript/commit/974d22fcf607b942bff3376c699bc3f6cb3b3ae5))
## 0.91.0 (2026-04-23)
Full Changelog: [sdk-v0.90.0...sdk-v0.91.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.90.0...sdk-v0.91.0)
### Features
* **api:** CMA Memory public beta ([ddf732f](https://github.com/anthropics/anthropic-sdk-typescript/commit/ddf732f5f35c123f963fa270669e35707a2e3f7f))
* **bedrock:** use auth header for mantle client ([#866](https://github.com/anthropics/anthropic-sdk-typescript/issues/866)) ([aec801a](https://github.com/anthropics/anthropic-sdk-typescript/commit/aec801afc7d37d9e8ca1471748ca599b442cbce4))
### Bug Fixes
* **api:** fix errors in api spec ([ae10768](https://github.com/anthropics/anthropic-sdk-typescript/commit/ae1076848587c6f994b45e3030269a635d38bc0b))
* **api:** restore missing features ([1a5b47b](https://github.com/anthropics/anthropic-sdk-typescript/commit/1a5b47b6895ee2c47af8adea1f403b76dd3ca62f))
### Chores
* **internal:** more robust bootstrap script ([7716e19](https://github.com/anthropics/anthropic-sdk-typescript/commit/7716e19f7fceeb63bb20b9e4df904a021ae705dc))
* **tests:** bump steady to v0.22.1 ([219a971](https://github.com/anthropics/anthropic-sdk-typescript/commit/219a9717439a458189ac83633b2d5cd9f1ad7d25))
## 0.90.0 (2026-04-16)
Full Changelog: [sdk-v0.89.0...sdk-v0.90.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.89.0...sdk-v0.90.0)
### Features
* **api:** add claude-opus-4-7, token budgets and user_profiles ([b26134b](https://github.com/anthropics/anthropic-sdk-typescript/commit/b26134bb17508494b5588dab770d93bf16cbdeb1))
### Chores
* actually delete release-doctor.yml ([0fe984d](https://github.com/anthropics/anthropic-sdk-typescript/commit/0fe984d1f66e9dbf88cadbe010e00f02316396b1))
* **ci:** remove release-doctor workflow ([08e58bd](https://github.com/anthropics/anthropic-sdk-typescript/commit/08e58bd0bbb04d47116e731b475d684fc1f98906))
## 0.89.0 (2026-04-14)
Full Changelog: [sdk-v0.88.0...sdk-v0.89.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.88.0...sdk-v0.89.0)
### Features
* **api:** manual updates ([57c2a11](https://github.com/anthropics/anthropic-sdk-typescript/commit/57c2a11c61ef9dfdad49a3ab91c4c567d13d1f73))
* **api:** mark Sonnet and Opus 4 as deprecated ([eff41b7](https://github.com/anthropics/anthropic-sdk-typescript/commit/eff41b717f16435167e53c5227774ef5bf079523))
### Bug Fixes
* **streaming:** add missing events ([4c52919](https://github.com/anthropics/anthropic-sdk-typescript/commit/4c52919187d17c15d53b08d818d7dd9a5728267e))
## 0.88.0 (2026-04-10)
Full Changelog: [sdk-v0.87.0...sdk-v0.88.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.87.0...sdk-v0.88.0)
### Features
* vertex eu region ([#882](https://github.com/anthropics/anthropic-sdk-typescript/issues/882)) ([1933857](https://github.com/anthropics/anthropic-sdk-typescript/commit/193385760676b1c941a1f500aa91d0f7a3204b40))
### Documentation
* improve examples ([de4f483](https://github.com/anthropics/anthropic-sdk-typescript/commit/de4f483c1eb4f758116887da5d19305eccb6f8f4))
* update examples ([454e1c5](https://github.com/anthropics/anthropic-sdk-typescript/commit/454e1c594cfd420eb11e891baefbf6a6530d7131))
## 0.87.0 (2026-04-09)
Full Changelog: [sdk-v0.86.1...sdk-v0.87.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.86.1...sdk-v0.87.0)
### Features
* **api:** Add beta advisor tool ([1e99a8d](https://github.com/anthropics/anthropic-sdk-typescript/commit/1e99a8db387b8dbc2ce5cd43e3c4e4ca440aa01b))
## 0.86.1 (2026-04-08)
Full Changelog: [sdk-v0.86.0...sdk-v0.86.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.86.0...sdk-v0.86.1)
### Chores
* update @anthropic-ai/sdk dependency version ([#870](https://github.com/anthropics/anthropic-sdk-typescript/issues/870)) ([036342b](https://github.com/anthropics/anthropic-sdk-typescript/commit/036342bdbf9867e223465510d4a39146f1b721dd))
## 0.86.0 (2026-04-08)
Full Changelog: [sdk-v0.85.0...sdk-v0.86.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.85.0...sdk-v0.86.0)
### Features
* **api:** add support for Claude Managed Agents ([2ef732a](https://github.com/anthropics/anthropic-sdk-typescript/commit/2ef732a1df5cfb4bf65f274e3662c5fb8fe78af4))
### Chores
* **internal:** codegen related update ([d644830](https://github.com/anthropics/anthropic-sdk-typescript/commit/d644830d59179881abe4ba2a2d56d17aa784a8c3))
## 0.85.0 (2026-04-07)
Full Changelog: [sdk-v0.84.0...sdk-v0.85.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.84.0...sdk-v0.85.0)
### Features
* **client:** Create Bedrock Mantle client ([#810](https://github.com/anthropics/anthropic-sdk-typescript/issues/810)) ([2f1f4a1](https://github.com/anthropics/anthropic-sdk-typescript/commit/2f1f4a1f565a6c12afc1dd7fd98d2adf735dd68b))
## 0.84.0 (2026-04-07)
Full Changelog: [sdk-v0.83.0...sdk-v0.84.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.83.0...sdk-v0.84.0)
### Features
* **api:** Add support for claude-mythos-preview ([d4057b0](https://github.com/anthropics/anthropic-sdk-typescript/commit/d4057b0a9559d9a620e6a398a4199f5a416bc7a6))
* **tools:** add AbortSignal support for tool runner ([#848](https://github.com/anthropics/anthropic-sdk-typescript/issues/848)) ([972d591](https://github.com/anthropics/anthropic-sdk-typescript/commit/972d5918a4d24b15686c8c407860cbfed4215ffa))
## 0.83.0 (2026-04-03)
Full Changelog: [sdk-v0.82.0...sdk-v0.83.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.82.0...sdk-v0.83.0)
### Features
* **vertex:** add support for US multi-region endpoint ([5e5aea7](https://github.com/anthropics/anthropic-sdk-typescript/commit/5e5aea72e8af1d0cd0af7770f7c98a716fa24629))
* **vertex:** add support for US multi-region endpoint ([0de0e98](https://github.com/anthropics/anthropic-sdk-typescript/commit/0de0e98aace311d7f6b5617b597d73324de73e2f))
### Bug Fixes
* **client:** dont upload aws artifact ([#844](https://github.com/anthropics/anthropic-sdk-typescript/issues/844)) ([d1a31fc](https://github.com/anthropics/anthropic-sdk-typescript/commit/d1a31fcd591d61d3bd2a4cb1b0b5cfcf2f66f5fe))
### Chores
* **client:** deprecate client-side compaction helpers ([1926e87](https://github.com/anthropics/anthropic-sdk-typescript/commit/1926e870393b653ac87c4fb9e521a8a44786ab49))
* **client:** internal updates ([3d64763](https://github.com/anthropics/anthropic-sdk-typescript/commit/3d6476315480508cff8462a5b4523944579dbd32))
## 0.82.0 (2026-04-01)
Full Changelog: [sdk-v0.81.0...sdk-v0.82.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.81.0...sdk-v0.82.0)
### Features
* **api:** add structured stop_details to message responses ([031328a](https://github.com/anthropics/anthropic-sdk-typescript/commit/031328a1b43ec72fb4bb5a77c79ee6c275694a20))
* prepare aws package ([#782](https://github.com/anthropics/anthropic-sdk-typescript/issues/782)) ([f351d4d](https://github.com/anthropics/anthropic-sdk-typescript/commit/f351d4dfeb57b48bcb126686dc608493813262da))
* support API keys in Bedrock SDK ([#824](https://github.com/anthropics/anthropic-sdk-typescript/issues/824)) ([be6c608](https://github.com/anthropics/anthropic-sdk-typescript/commit/be6c608bf0de9ceb2c09974b28f7f80db96ed42e))
### Chores
* **tests:** bump steady to v0.20.2 ([6cf12cc](https://github.com/anthropics/anthropic-sdk-typescript/commit/6cf12cc819733e241b3a1effaff3fcbc96e94476))
## 0.81.0 (2026-03-31)
Full Changelog: [sdk-v0.80.0...sdk-v0.81.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.80.0...sdk-v0.81.0)
### Features
* add .type field to APIError for error kind identification ([#790](https://github.com/anthropics/anthropic-sdk-typescript/issues/790)) ([4bf637d](https://github.com/anthropics/anthropic-sdk-typescript/commit/4bf637d962c2203ca7977d4e5447e2b083e29188))
### Bug Fixes
* **memory:** append path separator in validatePath prefix check ([0ac69b3](https://github.com/anthropics/anthropic-sdk-typescript/commit/0ac69b3438ee9c96b21a7d3c39c07b7cdb6995d9))
### Chores
* **ci:** run builds on CI even if only spec metadata changed ([70b657a](https://github.com/anthropics/anthropic-sdk-typescript/commit/70b657aac1be76e941885dfe9d683c45a57ad005))
* **ci:** skip lint on metadata-only changes ([69bdc94](https://github.com/anthropics/anthropic-sdk-typescript/commit/69bdc94a16e5402b8fd19d54a1f4695cba834dbb))
* **internal:** codegen related update ([7ff7390](https://github.com/anthropics/anthropic-sdk-typescript/commit/7ff7390029867195adf78e6dbfaa43d8bb0a9720))
* **internal:** update gitignore ([46d6667](https://github.com/anthropics/anthropic-sdk-typescript/commit/46d66675d59da125c0a00cc8feb6a13bc6105637))
* **internal:** update multipart form array serialization ([d55b07d](https://github.com/anthropics/anthropic-sdk-typescript/commit/d55b07d4f791763738fd54a032cd421b6d16d151))
* **tests:** bump steady to v0.19.4 ([4957a5e](https://github.com/anthropics/anthropic-sdk-typescript/commit/4957a5e65bdc77528f81c123ec2865784c064055))
* **tests:** bump steady to v0.19.5 ([c511ae0](https://github.com/anthropics/anthropic-sdk-typescript/commit/c511ae042129805400c5286a02d3c45f49e51ca6))
* **tests:** bump steady to v0.19.6 ([6d2b4b9](https://github.com/anthropics/anthropic-sdk-typescript/commit/6d2b4b910a687c2cf73bb51450ce24c704fdc384))
* **tests:** bump steady to v0.19.7 ([d6cff9d](https://github.com/anthropics/anthropic-sdk-typescript/commit/d6cff9d2c8688fb95dc6af0f89ae33480f9758e0))
* **tests:** bump steady to v0.20.1 ([284561f](https://github.com/anthropics/anthropic-sdk-typescript/commit/284561fe36b244f5b6ab624ec2608c07f71f476e))
## 0.80.0 (2026-03-18)
Full Changelog: [sdk-v0.79.0...sdk-v0.80.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.79.0...sdk-v0.80.0)
### Features
* **api:** manual updates ([dd12f1a](https://github.com/anthropics/anthropic-sdk-typescript/commit/dd12f1a29c4a8f4554caa8c7023bddadfb69e9b0))
* **api:** manual updates ([9c0a077](https://github.com/anthropics/anthropic-sdk-typescript/commit/9c0a0778d73ffe2f84cf4a3d593f8f645d776b02))
### Chores
* **internal:** tweak CI branches ([4a5819e](https://github.com/anthropics/anthropic-sdk-typescript/commit/4a5819e9e820a926add4df134a6a4d6d0e65c196))
## 0.79.0 (2026-03-16)
Full Changelog: [sdk-v0.78.0...sdk-v0.79.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.78.0...sdk-v0.79.0)
### Features
* add support for filesystem memory tools ([#599](https://github.com/anthropics/anthropic-sdk-typescript/issues/599)) ([1064199](https://github.com/anthropics/anthropic-sdk-typescript/commit/106419918ec0098cd74df5541dd7fd9134268f6e))
* **api:** chore(config): clean up model enum list ([#31](https://github.com/anthropics/anthropic-sdk-typescript/issues/31)) ([07727a6](https://github.com/anthropics/anthropic-sdk-typescript/commit/07727a63c4d3685a20de3067a563396b2d2adbb2))
* **api:** GA thinking-display-setting ([4dc8df4](https://github.com/anthropics/anthropic-sdk-typescript/commit/4dc8df4b7d098b7e748ca952ac18e5e22264a4c8))
* **tests:** update mock server ([e5c3be9](https://github.com/anthropics/anthropic-sdk-typescript/commit/e5c3be981177874b4f9ab5d1a56e4c8cfb7a6744))
### Bug Fixes
* **docs/contributing:** correct pnpm link command ([16bf66c](https://github.com/anthropics/anthropic-sdk-typescript/commit/16bf66c4ab9334f2f817f29e8834ff82f1689e9e))
* **internal:** skip tests that depend on mock server ([07417e5](https://github.com/anthropics/anthropic-sdk-typescript/commit/07417e521b35b01670cb0334aa3f23e77ba38cbc))
* **zod:** use v4 import path for Zod ^3.25 compatibility ([#925](https://github.com/anthropics/anthropic-sdk-typescript/issues/925)) ([c6c0ac8](https://github.com/anthropics/anthropic-sdk-typescript/commit/c6c0ac8a3091ad83890fb6813e4a0ee2a6e45bba))
### Chores
* **client:** remove unused import ([3827ab5](https://github.com/anthropics/anthropic-sdk-typescript/commit/3827ab5d56d37b659cfa7b25f16a42f41ad99b29))
* **internal:** codegen related update ([2c1fc10](https://github.com/anthropics/anthropic-sdk-typescript/commit/2c1fc106f8c83a13bda1a7f755e53120b3c3919d))
* **internal:** improve import alias names ([5b9615b](https://github.com/anthropics/anthropic-sdk-typescript/commit/5b9615b51007cc0bb9cea9de9dc5f2acc9fa77e8))
* **internal:** move stringifyQuery implementation to internal function ([16239f3](https://github.com/anthropics/anthropic-sdk-typescript/commit/16239f3bd4efddaf01a35a182014131e983ee738))
* **internal:** update dependencies to address dependabot vulnerabilities ([6fdea5e](https://github.com/anthropics/anthropic-sdk-typescript/commit/6fdea5ebdf767da93bff7e55a7035772610ba287))
* **mcp-server:** improve instructions ([66e5363](https://github.com/anthropics/anthropic-sdk-typescript/commit/66e5363c114c2c5950a4a1674c1264c30619bc43))
* remove accidentally committed file ([#929](https://github.com/anthropics/anthropic-sdk-typescript/issues/929)) ([0989113](https://github.com/anthropics/anthropic-sdk-typescript/commit/0989113a5a34fbf85a2a0f87b5ab78ea7d297fd4))
* **tests:** unskip tests that are now supported in steady ([616a98a](https://github.com/anthropics/anthropic-sdk-typescript/commit/616a98a2363b3c77ebd4bc54eaae1b9003d323f9))
### Documentation
* streamline and standardize docs ([#687](https://github.com/anthropics/anthropic-sdk-typescript/issues/687)) ([dbdc5d3](https://github.com/anthropics/anthropic-sdk-typescript/commit/dbdc5d3c8246732c9b477a1503618243e13e9bd6))
## 0.78.0 (2026-02-19)
Full Changelog: [sdk-v0.77.0...sdk-v0.78.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.77.0...sdk-v0.78.0)
### Features
* **api:** Add top-level cache control (automatic caching) ([1e2f83d](https://github.com/anthropics/anthropic-sdk-typescript/commit/1e2f83d0bb2c3e98302d1b17fcb4888b17889f6d))
### Bug Fixes
* **bedrock:** eliminate race condition in AWS credential resolution ([#901](https://github.com/anthropics/anthropic-sdk-typescript/issues/901)) ([e5a101d](https://github.com/anthropics/anthropic-sdk-typescript/commit/e5a101d060cdce65872ec787e792c94799dcc295))
* **client:** format batches test file ([821e9bf](https://github.com/anthropics/anthropic-sdk-typescript/commit/821e9bf13db32c8b632352292948f64a057a9d55))
* **tests:** fix issue in batches test ([5f4ccf8](https://github.com/anthropics/anthropic-sdk-typescript/commit/5f4ccf8779e69226a5c9307e3422f6779e8fda6b))
### Chores
* update mock server docs ([25d337f](https://github.com/anthropics/anthropic-sdk-typescript/commit/25d337f484b9236b03e26e1f4c67b1a2d96c6c23))
## 0.77.0 (2026-02-18)
Full Changelog: [sdk-v0.76.0...sdk-v0.77.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.76.0...sdk-v0.77.0)
### Features
* **api:** fix shared UserLocation and error code types ([c84038f](https://github.com/anthropics/anthropic-sdk-typescript/commit/c84038f4eddafc2c5415ab4eaef40326b7af376c))
### Bug Fixes
* add backward-compat namespace re-exports for UserLocation ([#706](https://github.com/anthropics/anthropic-sdk-typescript/issues/706)) ([b88834f](https://github.com/anthropics/anthropic-sdk-typescript/commit/b88834fc82bb9d1ae0cf16bd264d5ef4d1edbcff))
## 0.76.0 (2026-02-18)
Full Changelog: [sdk-v0.75.0...sdk-v0.76.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.75.0...sdk-v0.76.0)
### Features
* **api:** manual updates ([25fe41c](https://github.com/anthropics/anthropic-sdk-typescript/commit/25fe41cdf61a1d8c0a5700955bf3c00f28900339))
## 0.75.0 (2026-02-17)
Full Changelog: [sdk-v0.74.0...sdk-v0.75.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.74.0...sdk-v0.75.0)
### Features
* **api:** Releasing claude-sonnet-4-6 ([d75e1c0](https://github.com/anthropics/anthropic-sdk-typescript/commit/d75e1c07bf8c1082610c6493eaa2864a9c042ae8))
### Bug Fixes
* **api:** fix spec errors ([aa99e46](https://github.com/anthropics/anthropic-sdk-typescript/commit/aa99e46bbb1d7d8bbc79a1fd974091bc87d75688))
* **tests:** fix erroneous speed tests ([#699](https://github.com/anthropics/anthropic-sdk-typescript/issues/699)) ([fcac1ca](https://github.com/anthropics/anthropic-sdk-typescript/commit/fcac1ca6d25051073e4e13470730fbb1872926e7))
### Chores
* **internal/client:** fix form-urlencoded requests ([cba82b4](https://github.com/anthropics/anthropic-sdk-typescript/commit/cba82b422f5f6d64d127b367ec247bb4953f75ef))
* **internal:** avoid type checking errors with ts-reset ([c723296](https://github.com/anthropics/anthropic-sdk-typescript/commit/c723296478726adece8fbc72d2b0bf434e83eee8))
* **readme:** change badge color to blue ([3f7e788](https://github.com/anthropics/anthropic-sdk-typescript/commit/3f7e7881ce851049fb1aa208d52eaa3796b6b6e1))
## 0.74.0 (2026-02-07)
Full Changelog: [sdk-v0.73.0...sdk-v0.74.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.73.0...sdk-v0.74.0)
### Features
* **api:** enabling fast-mode in claude-opus-4-6 ([e337981](https://github.com/anthropics/anthropic-sdk-typescript/commit/e337981a7b7dad1dc3d836b1dcfbc7c61e5e13eb))
## 0.73.0 (2026-02-05)
Full Changelog: [sdk-v0.72.1...sdk-v0.73.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.72.1...sdk-v0.73.0)
### Features
* **api:** Release Claude Opus 4.6, adaptive thinking, and other features ([f741f92](https://github.com/anthropics/anthropic-sdk-typescript/commit/f741f921d10e020d3c67c7a3f8442f0c4adf229d))
### Bug Fixes
* **client:** avoid memory leak in abort signal listener ([#895](https://github.com/anthropics/anthropic-sdk-typescript/issues/895)) ([3bdd153](https://github.com/anthropics/anthropic-sdk-typescript/commit/3bdd153c43280adf233a2d7d7d9bb55cd5ad4c26))
* **client:** avoid memory leak with abort signals ([53e47df](https://github.com/anthropics/anthropic-sdk-typescript/commit/53e47dfa6985e6a206c475b8c920b8a97c27e17e))
* **client:** avoid removing abort listener too early ([cd6e832](https://github.com/anthropics/anthropic-sdk-typescript/commit/cd6e83255a2e5644872902ee878c9aba881976cb))
### Chores
* **client:** do not parse responses with empty content-length ([2be2df9](https://github.com/anthropics/anthropic-sdk-typescript/commit/2be2df928d1564286cddc9765fd9959f9649d314))
* **client:** restructure abort controller binding ([0eeacb6](https://github.com/anthropics/anthropic-sdk-typescript/commit/0eeacb6c310d961e09ac3d00b4b2e50957b31e2f))
* **internal:** fix pagination internals not accepting option promises ([7c23a3f](https://github.com/anthropics/anthropic-sdk-typescript/commit/7c23a3f93d039116845b045ede8863ffbafbad85))
* remove claude-code-review workflow ([#644](https://github.com/anthropics/anthropic-sdk-typescript/issues/644)) ([ad09c76](https://github.com/anthropics/anthropic-sdk-typescript/commit/ad09c76b0d323c0a867d23f765f20909cddbd885))
## 0.72.1 (2026-01-30)
Full Changelog: [sdk-v0.72.0...sdk-v0.72.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.72.0...sdk-v0.72.1)
### Bug Fixes
* **client:** remove OutputFormat exports from index.ts ([bf2cf08](https://github.com/anthropics/anthropic-sdk-typescript/commit/bf2cf081eedb1fef7270c042ba24dfc9f474cab0))
## 0.72.0 (2026-01-29)
Full Changelog: [sdk-v0.71.2...sdk-v0.72.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.71.2...sdk-v0.72.0)
### Features
* **api:** add support for Structured Outputs in the Messages API ([eeb7fab](https://github.com/anthropics/anthropic-sdk-typescript/commit/eeb7fabbedb4cd381addb49e02e77574324af43a))
* **api:** migrate sending message format in output_config rather than output_format ([99f4066](https://github.com/anthropics/anthropic-sdk-typescript/commit/99f40668ee2c1b25f527eb34f41eadf79550a73f))
* **ci:** add breaking change detection workflow ([b181568](https://github.com/anthropics/anthropic-sdk-typescript/commit/b181568601537957f91f7123420d8d0f4625c2b7))
* **client:** migrate structured output format ([#625](https://github.com/anthropics/anthropic-sdk-typescript/issues/625)) ([abcdddc](https://github.com/anthropics/anthropic-sdk-typescript/commit/abcdddcec1c06126405115b2cd63ecde9ec2441b))
* **helpers:** add MCP SDK helper functions ([#610](https://github.com/anthropics/anthropic-sdk-typescript/issues/610)) ([b6c3963](https://github.com/anthropics/anthropic-sdk-typescript/commit/b6c396320323e93c31d23fcfa779765c23337c8a))
### Bug Fixes
* **mcp:** correct code tool API endpoint ([4bd6ad6](https://github.com/anthropics/anthropic-sdk-typescript/commit/4bd6ad6a15ad5c11abb4ba2f9ac8c5d9aa756fec))
* **mcp:** return correct lines on typescript errors ([c425959](https://github.com/anthropics/anthropic-sdk-typescript/commit/c425959190cf04b4b14dfd83334ce2b854badbd1))
### Chores
* break long lines in snippets into multiline ([2c44e2d](https://github.com/anthropics/anthropic-sdk-typescript/commit/2c44e2d92b37769eba9dad65a89315cd5a772e99))
* **ci:** Add Claude Code GitHub Workflow ([#612](https://github.com/anthropics/anthropic-sdk-typescript/issues/612)) ([28a9a00](https://github.com/anthropics/anthropic-sdk-typescript/commit/28a9a00d902ae87b9dcd9942a3571dc09976eb5b))
* **ci:** fix multi package publishing ([b9e3ab9](https://github.com/anthropics/anthropic-sdk-typescript/commit/b9e3ab9b74ba29c2675d08546dd417fbd62456a6))
* **ci:** upgrade `actions/github-script` ([ff9dd44](https://github.com/anthropics/anthropic-sdk-typescript/commit/ff9dd44c3435bdda56db6fbad09e25c714401a44))
* **internal:** codegen related update ([754de58](https://github.com/anthropics/anthropic-sdk-typescript/commit/754de5895cdbf54c82bda835aa5e6cf717c9982f))
* **internal:** codegen related update ([cb411e4](https://github.com/anthropics/anthropic-sdk-typescript/commit/cb411e4a1638e15570eb774500c1a022d4be41ae))
* **internal:** update `actions/checkout` version ([c0057be](https://github.com/anthropics/anthropic-sdk-typescript/commit/c0057be99f9b3e01960640cc57befa832954df47))
* **internal:** upgrade babel, qs, js-yaml ([494d9ed](https://github.com/anthropics/anthropic-sdk-typescript/commit/494d9ed99f89e790d612245859a2dc57ec447598))
* **internal:** version bump ([24ecc83](https://github.com/anthropics/anthropic-sdk-typescript/commit/24ecc838b0adbb837b14fe24fac0895d81ea8891))
* **tests:** remove extraneous header test ([076a87c](https://github.com/anthropics/anthropic-sdk-typescript/commit/076a87cd41bad9e8bd5bb07fa1af0434321ce60b))
### Documentation
* tool use documentation link ([#873](https://github.com/anthropics/anthropic-sdk-typescript/issues/873)) ([664cdd6](https://github.com/anthropics/anthropic-sdk-typescript/commit/664cdd6bc91641bf610155d470a14c67a177a08d))
* update import paths for beta helpers ([#834](https://github.com/anthropics/anthropic-sdk-typescript/issues/834)) ([d08fd40](https://github.com/anthropics/anthropic-sdk-typescript/commit/d08fd40c7c8b3637963a7a042ce82624963597f6))
* update README with Claude branding ([#611](https://github.com/anthropics/anthropic-sdk-typescript/issues/611)) ([2a9a5f7](https://github.com/anthropics/anthropic-sdk-typescript/commit/2a9a5f7f94d2fe807bcc73aa6a3a92f8e50db763))
## 0.71.2 (2025-12-05)
Full Changelog: [sdk-v0.71.1...sdk-v0.71.2](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.71.1...sdk-v0.71.2)
### Bug Fixes
* **streams:** ensure errors are catchable ([#856](https://github.com/anthropics/anthropic-sdk-typescript/issues/856)) ([a480eaf](https://github.com/anthropics/anthropic-sdk-typescript/commit/a480eafbcbebc83510446b6280f91f969de531f9))
## 0.71.1 (2025-12-04)
Full Changelog: [sdk-v0.71.0...sdk-v0.71.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.71.0...sdk-v0.71.1)
### Bug Fixes
* **parser:** use correct naming for parsed text blocks ([6472bcd](https://github.com/anthropics/anthropic-sdk-typescript/commit/6472bcd222f826a131d1abf20301a57749993d2f))
* **structured outputs:** ensure parsed is not enumerable ([860175f](https://github.com/anthropics/anthropic-sdk-typescript/commit/860175ff77caf258a0ed3a0177f53f3a4a771064)), closes [#857](https://github.com/anthropics/anthropic-sdk-typescript/issues/857)
### Chores
* add deprecation warnings for accessing .parsed ([ae7a637](https://github.com/anthropics/anthropic-sdk-typescript/commit/ae7a637b86f8fa318df2257564c0a71ae37c0381))
* **client:** fix logger property type ([e3e4d7c](https://github.com/anthropics/anthropic-sdk-typescript/commit/e3e4d7c40c986668ed46a3f4040d60bfd2c7e76b))
* **internal:** upgrade eslint ([5fbe661](https://github.com/anthropics/anthropic-sdk-typescript/commit/5fbe661d009446ab98c7b7488a8955238276b55e))
## 0.71.0 (2025-11-24)
Full Changelog: [sdk-v0.70.1...sdk-v0.71.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.70.1...sdk-v0.71.0)
### Features
* **api:** adds support for Claude Opus 4.5, Effort, Advance Tool Use Features, Autocompaction, and Computer Use v5 ([f3a0dac](https://github.com/anthropics/anthropic-sdk-typescript/commit/f3a0dac4c6248f4e06231868fd64eec8034a68ba))
### Chores
* fix ci errors ([8d96290](https://github.com/anthropics/anthropic-sdk-typescript/commit/8d9629004e35a77413a839c14874e323ced34f95))
* include publishConfig in all package.json files ([4c72960](https://github.com/anthropics/anthropic-sdk-typescript/commit/4c72960c5f494317d3f88816b941ffa103bf24d5))
* **readme:** fix example import ([4e8983a](https://github.com/anthropics/anthropic-sdk-typescript/commit/4e8983add6a035ea0a1dad2f84e68ead5cc9f29b))
## 0.70.1 (2025-11-20)
Full Changelog: [sdk-v0.70.0...sdk-v0.70.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.70.0...sdk-v0.70.1)
### Bug Fixes
* **structured outputs:** use correct beta header ([626662c](https:/