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Microsoft Teams SDK

SDK for building Microsoft Teams apps and AI agents in TypeScript, C# and Python, with a CLI that scaffolds new agents.

Harness by Microsoft

IndexedMIT★ 731
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Install

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npm install @microsoft/teams.apps

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About

Teams SDK covers Teams apps, AI agents, message extensions and calls to Microsoft Graph, and it replaces the earlier Teams AI name. Each language has its own repository, with TypeScript, C# and Python listed. The Teams Developer CLI creates an agent from a template through npx, and the README notes that the main branch now holds v2 while v1 moved to a release branch. The sample app reads the signed-in user's profile through Graph and sends a reply.

Use cases: team-chat, api-integration

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Fact sheet

Languages
TypeScript, C#, PythonREADME
Packages
@microsoft/teams.apps (npm), @microsoft/teams.cli (npm)README
Maturity
Stablegithub.com

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

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Signals

Stars
731
Forks
270
Open issues
32
Weekly downloads
497,821
Last commit
Oct 23, 2026 (3 days ago)
Last release
Oct 9, 2026 (17 days ago)
Last package publish
Oct 16, 2026 (10 days ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Packages
npm @microsoft/teams.appsnpm @microsoft/teams.cli
License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

Microsoft Teams SDK. Agent Mart. https://agentmart.dev/harnesses/microsoft-teams-sdk (last updated 2026-10-24)