mcp-use/package.json

A utility library for integrating Model Context Protocol (MCP) with LangChain, Zod, and related tools. Provides helpers for schema conversion, event streaming, and SDK usage.

{
  "name": "mcp-use",
  "type": "module",
  "version": "0.2.0",
  "packageManager": "pnpm@10.6.1",
  "description": "A utility library for integrating Model Context Protocol (MCP) with LangChain, Zod, and related tools. Provides helpers for schema conversion, event streaming, and SDK usage.",
  "author": "mcp-use, Inc.",
  "license": "MIT",
  "homepage": "https://github.com/mcp-use/mcp-use-ts#readme",
  "repository": {
    "type": "git",
    "url": "git+https://github.com/mcp-use/mcp-use-ts.git"
  },
  "bugs": {
    "url": "https://github.com/mcp-use/mcp-use-ts/issues"
  },
  "keywords": [
    "MCP",
    "Model Context Protocol",
    "LangChain",
    "Zod",
    "schema",
    "SDK",
    "eventsource",
    "AI",
    "utility",
    "typescript"
  ],
  "exports": {
    ".": {
      "types": "./dist/index.d.ts",
      "import": "./dist/index.js"
    },
    "./browser": {
      "types": "./dist/src/browser.d.ts",
      "import": "./dist/src/browser.js"
    }
  },
  "main": "./dist/index.js",
  "module": "./dist/index.js",
  "types": "./dist/index.d.ts",
  "files": [
    "dist"
  ],
  "engines": {
    "node": ">=22.0.0"
  },
  "publishConfig": {
    "registry": "https://registry.npmjs.org"
  },
  "scripts": {
    "build": "rm -rf dist && tsc",
    "lint": "eslint",
    "lint:fix": "eslint --fix",
    "test": "vitest",
    "test:run": "vitest run",
    "test:simple": "vitest run tests/stream_events_simple.test.ts",
    "test:integration": "vitest run tests/stream_events.test.ts",
    "watch": "tsc --watch",
    "start": "node dist/index.js",
    "prepublishOnly": "npm run build",
    "fmt": "eslint --fix",
    "release": "npm version patch --tag-version-prefix=v && git push --follow-tags",
    "release:minor": "npm version minor --tag-version-prefix=v && git push --follow-tags",
    "release:major": "npm version major --tag-version-prefix=v && git push --follow-tags",
    "prepare": "husky",
    "example:airbnb": "npm run build && node dist/examples/airbnb_use.js",
    "example:browser": "npm run build && node dist/examples/browser_use.js",
    "example:chat": "npm run build && node dist/examples/chat_example.js",
    "example:stream": "npm run build && node dist/examples/stream_example.js",
    "example:stream_events": "npm run build && node dist/examples/stream_events_example.js",
    "example:ai_sdk": "npm run build && node dist/examples/ai_sdk_example.js",
    "example:filesystem": "npm run build && node dist/examples/filesystem_use.js",
    "example:http": "npm run build && node dist/examples/http_example.js",
    "example:everything": "npm run build && node dist/examples/mcp_everything.js",
    "example:multi": "npm run build && node dist/examples/multi_server_example.js",
    "example:sandbox": "npm run build && node dist/examples/sandbox_everything.js",
    "example:oauth": "npm run build && node dist/examples/simple_oauth_example.js",
    "example:blender": "npm run build && node dist/examples/blender_use.js",
    "example:add_server": "npm run build && node dist/examples/add_server_tool.js",
    "example:structured": "npm run build && node dist/examples/structured_output.js",
    "example:observability": "npm run build && node dist/examples/observability.js"
  },
  "peerDependencies": {
    "langfuse": "^3.32.0",
    "langfuse-langchain": "^3.38.4"
  },
  "peerDependenciesMeta": {
    "langfuse": {
      "optional": true
    },
    "langfuse-langchain": {
      "optional": true
    }
  },
  "dependencies": {
    "@dmitryrechkin/json-schema-to-zod": "^1.0.1",
    "@langchain/anthropic": "^0.3.26",
    "@langchain/core": "^0.3.72",
    "@langchain/openai": "^0.6.9",
    "@modelcontextprotocol/sdk": "1.12.1",
    "@scarf/scarf": "^1.4.0",
    "ai": "^4.3.19",
    "dotenv": "^16.5.0",
    "langchain": "^0.3.27",
    "lodash-es": "^4.17.21",
    "posthog-node": "^5.1.1",
    "uuid": "^11.1.0",
    "winston": "^3.17.0",
    "winston-transport-browserconsole": "^1.0.5",
    "ws": "^8.18.2",
    "zod": "^3.25.48",
    "zod-to-json-schema": "^3.24.6"
  },
  "devDependencies": {
    "@antfu/eslint-config": "^4.13.2",
    "@types/lodash-es": "^4.17.12",
    "@types/node": "^20.19.8",
    "@types/ws": "^8.18.1",
    "eslint": "^9.28.0",
    "eslint-plugin-format": "^1.0.1",
    "husky": "^9.1.7",
    "lint-staged": "^15.2.11",
    "typescript": "^5.8.3",
    "vitest": "^2.1.9"
  },
  "lint-staged": {
    "*.{js,ts}": [
      "eslint --fix",
      "eslint"
    ],
    "*.md": [
      "eslint --fix",
      "eslint"
    ]
  }
}