MCP Comparison · 2026
Microsoft Teams vs Slack MCP Server
Comparing Microsoft Teams and Slack as MCP servers? Microsoft Teams (read & post teams messages) is best when posting agent status to channels. Slack (read & post slack messages) is best when automated slack notifications. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Microsoft Teams | Slack | |
|---|---|---|
| Primary function | Read & post Teams messages | Read & Post Slack Messages |
| Maintainer | Community (teams-mcp-server) | Community (korotovsky) |
| Pricing | Freemium | Free |
| Setup complexity | Medium · ~20 min | Medium · ~10 min |
| Transport | Streamable HTTP, stdio | stdio |
| Auth model | OAuth 2.1 | API key |
| License | MIT | MIT |
| Language | TypeScript | TypeScript |
| Latest version | latest | latest |
| Compatible clients | Claude, Cursor, VS Code, Windsurf, Any MCP-compatible client, Microsoft 365 tenant | Claude, Any MCP-compatible client, Slack workspaces |
| Last verified | 2026-05-31 | 2026-05-31 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Microsoft Teams
- Posting agent status to channels
- Summarising channel activity
- Meeting prep from calendar context
Choose Slack
- Automated Slack notifications
- Channel monitoring
- Message summarization
Pick something else if…
- Tenants without admin consent for Graph scopes
- Non-Slack messaging platforms
Feature breakdown
Key capabilities each server ships out of the box.
Microsoft Teams
- Microsoft Graph integration
- Entra ID OAuth 2.1
- Channel + chat messaging
- Calendar / meeting access
- Per-tenant scoping
Slack
- Channel read/write access
- Thread management
- Message search
- User lookup
- Slack API integration
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Microsoft Teams vs Slack: which MCP server should I use?
Pick Microsoft Teams when posting agent status to channels. Pick Slack when automated slack notifications. Microsoft Teams is built for read & post teams messages, while Slack focuses on read & post slack messages.
Can I run both Microsoft Teams and Slack together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
How fresh is this comparison?
Updated for 2026. Microsoft Teams's last verification: 2026-05-31. Slack's last verification: 2026-05-31. We refresh detail-page facts on every catalog rebuild.
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