MCP Comparison · 2026
Slack (community) vs Teams MCP Server
Comparing Slack (community) and Teams as MCP servers? Slack (community) (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.
Verdict
This looks like a Slack-versus-Microsoft question but it is really a question about where the agent runs. The Slack MCP is a stdio server with an API key that works in Claude, Cursor, VS Code, and Windsurf. The Teams entry is a ChatGPT-native app: one-click OAuth, remote transport, under a minute to install, and it only works inside ChatGPT.
So if your agent lives in an IDE or a desktop client, Slack is available to you and Teams is not - its own listing rules out use outside ChatGPT, programmatic API access, and headless pipelines. If you work inside ChatGPT and your company runs Microsoft 365, Teams is the far lighter setup: OAuth in one click against roughly ten minutes of scope configuration for Slack.
The mistake is planning automation around the Teams app. It is built for conversational, in-chat use with rich widgets, not for a scheduled job. If you need Teams in a pipeline, go to the Microsoft Graph API directly rather than through this listing. Start with whichever platform your team already lives in, and let the client you use decide whether the MCP route is even open.
Verdict by top-mcps.com — both entries re-verified on catalog refresh.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Slack (community) | Teams | |
|---|---|---|
| Primary function | Read & Post Slack Messages | ChatGPT App |
| Maintainer | Community (korotovsky) | 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 | 2026-08-19 | 2026-05-28 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Slack (community)
- 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 (community)
- 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
Can I use the Teams MCP in Cursor or Claude Desktop?
No. It is a ChatGPT Apps directory listing and runs only inside ChatGPT. There is no stdio build to point another client at.
Why does Slack take ten minutes when Teams takes one?
OAuth versus scopes. The Teams app authorizes in a single click through ChatGPT. The Slack MCP needs a bot token with the right scopes selected and the bot invited to each channel it should see - that configuration is the setup time, not the install.
Slack (community) vs Teams: which MCP server should I use?
Pick Slack (community) when automated slack notifications. Pick Teams when conversational access to teams inside chatgpt. Slack (community) is built for read & post slack messages, while Teams focuses on chatgpt app.
Can I run both Slack (community) 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 (community) or Teams?
Teams has the lighter setup. Slack (community) reports medium complexity (~10 min); Teams reports low complexity (~< 1 min).
More Slack (community) comparisons
Browse all Communication MCPs? See the full ranked list →