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Microsoft Teams API MCP Server

local only

Microsoft Teams API runs on your own machine — the client starts it, so there is no endpoint to ping. 380 installs a week from npm. Last commit 10 Sep 2026.

AI-native Microsoft Teams integration — read chats, send messages, search people

Installs per day peak 295 · avg 37 · -6% w/w
a month agotoday
380
Installs / week
npm · teams-api
8
Stars
1 open issues
10 Sep 2026
Last commit
0 releases in 90 days
MIT
License
TypeScript

What the code does

We read the source, 20 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command src/browser-runtime.ts:81
  const result = spawnSync(

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add teams-api -- npx -y teams-api
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "teams-api": {
      "args": [
        "-y",
        "teams-api"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.teams-api]
command = "npx"
args = ["-y", "teams-api"]
.cursor/mcp.json
{
  "mcpServers": {
    "teams-api": {
      "args": [
        "-y",
        "teams-api"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "teams-api": {
      "args": [
        "-y",
        "teams-api"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: TEAMS_EMAIL (Corporate email address for Teams authentication), TEAMS_AUTO (Set to "true" to use auto-login (macOS + FIDO2)), TEAMS_LOGIN (Set to "true" to use interactive browser login (all platforms)), TEAMS_TOKEN (Pre-existing Skype token for direct authentication), TEAMS_REGION (API region (required with TEAMS_TOKEN, auto-detected otherwise)), TEAMS_BEARER_TOKEN (Middle-tier bearer token for profile resolution), TEAMS_SUBSTRATE_TOKEN (Substrate bearer token for people/chat search), TEAMS_DEBUG (Set to "true" to use Chrome debug session for token capture), TEAMS_TELEMETRY (Set to "true" to enable full debug telemetry logging (contributor use; logs all inputs and outputs locally)), TEAMS_TELEMETRY_PATH (Override the telemetry output file path (default: platform-appropriate ~/Library/... or ~/.local/share/...)), TEAMS_IMAGE_DESCRIPTION_API_KEY (API key for the OpenAI-compatible vision endpoint used by teams_describe_image), TEAMS_IMAGE_DESCRIPTION_MODEL (Model name for teams_describe_image (defaults to gpt-4o-mini)), TEAMS_IMAGE_DESCRIPTION_BASE_URL (OpenAI-compatible base URL for teams_describe_image). The author declared them in the registry entry; get the values from the project itself.

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Microsoft Teams API — questions

Answers built from our own checks of this server.

Why is there no uptime for Microsoft Teams API?
Microsoft Teams API runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package teams-api was installed 380 times last week.
How do I connect Microsoft Teams API?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls teams-api straight from npm; nothing to host, nothing to sign up for.
How many people use Microsoft Teams API?
The npm package teams-api was installed 380 times in the last week. Week over week that is -6%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Microsoft Teams API open source?
Yes — it is published under the MIT licence, written in TypeScript, 8 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.