@mastra/core/dist/docs/references/docs-capabilities-channels-teams.md

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# Microsoft Teams

Microsoft Teams channels let a Mastra agent receive mentions and conversation events from Teams. Mastra handles the agent wiring and webhook route; the Chat SDK Teams adapter docs cover Teams app setup, authentication, and permissions.

## Install the adapter

Install the Teams adapter from the Chat SDK:

**npm**:

```bash
npm install @chat-adapter/teams
```

**pnpm**:

```bash
pnpm add @chat-adapter/teams
```

**Yarn**:

```bash
yarn add @chat-adapter/teams
```

**Bun**:

```bash
bun add @chat-adapter/teams
```

## Agent configuration

Add `createTeamsAdapter()` to the agent's `channels.adapters` object:

```typescript
import { Agent } from '@mastra/core/agent'
import { createTeamsAdapter } from '@chat-adapter/teams'

export const teamsAgent = new Agent({
  id: 'teams-agent',
  name: 'Teams Agent',
  instructions: 'Answer questions and help with tasks in Microsoft Teams.',
  model: 'openai/gpt-5.6-sol',
  channels: {
    adapters: {
      teams: createTeamsAdapter({
        appType: 'SingleTenant',
      }),
    },
  },
})
```

Register the agent on the Mastra instance:

```typescript
import { Mastra } from '@mastra/core'
import { teamsAgent } from './agents/teams-agent'

export const mastra = new Mastra({
  agents: { teamsAgent },
})
```

## Adapter setup

Follow the [Chat SDK Teams adapter docs](https://chat-sdk.dev/adapters/official/teams) for Teams-specific setup, including Azure bot registration, Teams CLI usage, authentication options, and required permissions.

The adapter reads Teams credentials from environment variables such as:

```bash
TEAMS_APP_ID=your-azure-bot-app-id
TEAMS_APP_PASSWORD=your-azure-bot-app-password
TEAMS_APP_TENANT_ID=your-azure-tenant-id
```

## Webhook URL

Mastra generates the Teams webhook route from the agent ID and adapter key:

```text
/api/agents/teams-agent/channels/teams/webhook
```

Use your public Mastra server URL as the base URL:

```text
https://your-app.example.com/api/agents/teams-agent/channels/teams/webhook
```

Use this URL anywhere the Teams adapter docs ask for the bot endpoint or webhook URL. For local development, expose the Mastra dev server with a tunnel and use the tunnel URL as the base URL.

## Related

- [Channels overview](https://mastra.ai/docs/capabilities/channels/overview)
- [More](https://mastra.ai/docs/capabilities/channels/other-adapters)