Slack MCP Server

io.github.jtalk22/slack-mcp-server · v5.1.0 · communication

Slack MCP Server is up but requires authentication (oauth). It scores 53/100.

Catch up on Slack without reading it. Unreads, threads, search. Browser-session or hosted OAuth.

Endpoint: https://mcp.revasserlabs.com/oauth/mcp (streamable-http)

Repository · Website · JSON · Add to my inventory

Score 53/100

health	18 / 25
authEase	12 / 15
toolQuality	7.5 / 15
maintenance	7 / 15
adoption	0 / 10
usage	0 / 10
security	8 / 10

Scoring v0.3, computed 2026-10-15T04:30:50.598Z.

Reachable; handshake needs credentials so tools could not be listed
Tool quality not measurable behind auth: neutral half credit
GitHub signals are off for everyone: maintenance uses registry dates (half credit)

Health history

Checked (UTC)	Status	Latency	Error
2026-10-15T04:30:36.330Z	Needs auth	1046	initialize: HTTP 401

Tools (0)

Tools are listed after a successful handshake.