# Slack MCP Server Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Slack MCP Server

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

- Record: https://musedirectory.ai/connector/slack-mcp-server
- Category: Productivity
- Developer: jtalk22 (https://mcp.revasserlabs.com)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, sign-in needed, 1136ms, checked 2026-09-28T09:46:17Z
- Endpoint: https://mcp.revasserlabs.com/oauth/mcp
- Auth: Sign in with your account; Pricing: unknown
- Screening: Screened, no issues found (2026-09-25T08:54:08Z)
- Source: Found in the official MCP Registry (io.github.jtalk22/slack-mcp-server) https://registry.modelcontextprotocol.io/v0/servers?search=io.github.jtalk22%2Fslack-mcp-server

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

Example request: "Show me my unread Slack messages from the last few hours"

How to connect: 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.

Screening checks:
- 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)