MCP Comparison · 2026
Slack vs Teams MCP Server
Comparing Slack and Teams as MCP servers? Slack (read & post slack messages) is best when automated slack notifications. Teams (chatgpt app) is best when conversational access to teams inside chatgpt. 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.
| Slack | Teams | |
|---|---|---|
| Primary function | Read & Post Slack Messages | ChatGPT App |
| Maintainer | Anthropic (modelcontextprotocol) | Teams |
| Pricing | Free | Free |
| Setup complexity | Medium · ~10 min | Low · ~< 1 min |
| Transport | stdio | Streamable HTTP |
| Auth model | API key | OAuth 2.1 |
| License | MIT | Proprietary |
| Language | TypeScript | — |
| Latest version | latest | — |
| Compatible clients | Claude, Any MCP-compatible client, Slack workspaces | ChatGPT |
| Last verified | 2026-04-19 | 2026-04-30 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Slack
- Automated Slack notifications
- Channel monitoring
- Message summarization
Choose Teams
- Conversational access to Teams inside ChatGPT
- In-chat workflows that benefit from rich UI widgets
- One-click OAuth on Free / Go / Plus / Pro plans
Pick something else if…
- Non-Slack messaging platforms
- Use outside ChatGPT
Feature breakdown
Key capabilities each server ships out of the box.
Slack
- Channel read/write access
- Thread management
- Message search
- User lookup
- Slack API integration
Teams
- Listed in the official ChatGPT Apps directory
- One-click OAuth — no JSON config, no install command
- Available to logged-in ChatGPT users on supported plans
- Built on the OpenAI Apps SDK (MCP under the hood)
- Reviewed and approved by OpenAI before publication
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Slack vs Teams: which MCP server should I use?
Pick Slack when automated slack notifications. Pick Teams when conversational access to teams inside chatgpt. Slack is built for read & post slack messages, while Teams focuses on chatgpt app.
Can I run both Slack and Teams 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.
Which is easier to set up, Slack or Teams?
Teams has the lighter setup. Slack reports medium complexity (~10 min); Teams reports low complexity (~< 1 min).
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