Slack
VerifiedSlack · Communication
The official Slack MCP server: read channels and threads, search messages, and post on behalf of a connected user.
This is a first-party server: it is published by Slack, so it tracks their own API rather than a community wrapper around it. It is a hosted endpoint you connect over streamable HTTP at https://mcp.slack.com/mcp, which we probed on 2026-09-16 and found live.
Connect it once to a BusinessMCP workspace and every AI you use — Claude, GPT, Gemini, and your coding agents — reaches it through one endpoint, alongside everything else you have connected. That is the difference between a directory entry and a working integration: you authorise once, not once per model.
What teams use it for
- Give an agent read access to your Slack data so it answers from the real thing instead of guesswork.
- Let a teammate ask for Slack work in plain language rather than clicking through the UI.
- Combine Slack with the rest of your stack in one agent thread, without switching tools.
Your data stays yours
Credentials live in your vault. We route requests — we never store, log, or train on your data.
Works with every AI
Connect once — portable across Claude, GPT, Gemini, and every local agent you run.
Pairs well with
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Frequently asked questions
Is there an official Slack MCP server?
Yes. Slack publishes it as a hosted endpoint at https://mcp.slack.com/mcp. We probed it on 2026-09-16 and it responded.
Do I need an API key?
It authenticates with OAuth rather than a pasted key — you authorise it once from your Slack account. That is the pattern most 2026 vendor servers use, and it is safer than putting a long-lived key in a config file.
Can I use it with something other than Claude?
Yes. MCP is an open protocol, so any client that speaks it can call this server. Connecting it through BusinessMCP exposes it to every model you have connected at once.
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