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Productivity

Slack MCP Server

Catch up on Slack messages, unreads and threads without reading them all

Connects to Slack to help you review unreads, browse threads, and search messages. Works with browser session or hosted OAuth sign-in.

Try asking Muse: "Show me my unread Slack messages from the last few hours"

Working now?
Working, sign-in needed
Worked last 7 days
100% of checks
How to get it
Extra setup
Account
Sign in with your account
Price
Not stated

Source: Found in the official MCP Registry (io.github.jtalk22/slack-mcp-server) · First listed September 25, 2026

Last 24 hours

Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.

Is it safe to connect?

What Muse can see: You sign in to your own account with it, so Muse can reach what that account allows. Read what it asks for before you agree.

Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.

musedirectory.ai is not part of Meta. More about how Muse handles your information

How to add it to Muse

Slack MCP Server is not in Muse's Connectors list yet, and it needs you to sign in with your Slack MCP Server account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

https://mcp.revasserlabs.com/oauth/mcp

Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.

Technical details: safety screening, tools, response time and recent checks

Response time at the last check: 102ms. Worked in 100% of checks over 30 days.

Screening · September 25, 2026

Screened, no issues found

MCP handshake
Pass
Requires sign-in (publishes OAuth metadata)
Domain against threat feeds (Cloudflare security DNS)
Pass
mcp.revasserlabs.com not flagged
Published packages against the OSV malicious-package database
Pass
No malicious-package advisories
Hidden instructions or invisible characters in tool text
n/a
Tools are behind sign-in
Inputs asking for passwords, card numbers or seed phrases
n/a
Tools are behind sign-in
Domain and redirects
Pass
No redirects off the domain
AI review of purpose and tool behavior
Pass
No concerns

Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.

Tools

This endpoint requires sign-in before it lists tools, so there is no public tool catalog.

Recent checks

2026-09-28 07:31:02live · HTTP 401102ms
2026-09-28 05:15:52live · HTTP 401875ms
2026-09-28 02:46:10live · HTTP 40175ms
2026-09-28 00:31:00live · HTTP 401716ms
2026-09-27 22:15:46live · HTTP 40178ms
2026-09-27 19:46:16live · HTTP 4011845ms
2026-09-27 17:31:18live · HTTP 4011092ms
2026-09-27 15:31:24live · HTTP 401481ms
2026-09-27 13:16:11live · HTTP 4012604ms
2026-09-27 10:46:25live · HTTP 401934ms
2026-09-27 08:31:10live · HTTP 401137ms
2026-09-27 06:15:49live · HTTP 4012410ms

Link

https://mcp.revasserlabs.com/oauth/mcp

Questions about Slack MCP Server in Muse

How do I connect Slack MCP Server to Muse?

Slack MCP Server is not in Muse's Connectors list yet, and it needs you to sign in with your Slack MCP Server account. Apps that need this kind of sign-in usually cannot be used from a Muse chat yet. Follow it here and we will tell you when it reaches Muse.

Is Slack MCP Server working right now?

At the last check (September 28, 2026, 07:31 UTC) the endpoint was working, sign-in needed, answering in 102ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.

Is Slack MCP Server safe to connect to Muse?

It was screened on September 25, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.

What can Slack MCP Server do in Muse?

Catch up on Slack messages, unreads and threads without reading them all For example, you could ask Muse: "Show me my unread Slack messages from the last few hours"

Follow Slack MCP Server

Tell me if Slack MCP Server goes down, comes back, or changes its tools
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Is this yours?

This listing was added from public sources (Found in the official MCP Registry (io.github.jtalk22/slack-mcp-server)). If you build Slack MCP Server, claim it to correct the details and get your badge.

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Slack MCP Server status badge

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<a href="https://musedirectory.ai/connector/slack-mcp-server"><img src="https://musedirectory.ai/badge/slack-mcp-server.svg" alt="Slack MCP Server on musedirectory.ai" width="236" height="40"></a>

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