~/CLIRank
MCP ServerVerified~160ms avg

Slack MCP Server

Read and send Slack messages, search channels, and manage conversations.

Install
claude mcp add slack -- npx -y @modelcontextprotocol/server-slack
Direct API Alternative

You can also call this service directly via its API: Slack Web API

Use the MCP when:

You want plug-and-play integration with Claude Code and don't need custom logic around the calls.

Use the API when:

You need fine-grained control, custom error handling, or want to chain multiple API calls in a script.

About

Connect Claude Code to your Slack workspace. Search messages across channels, read conversation threads, send messages and drafts, and manage channel membership. Useful for pulling context from team discussions into your coding workflow, or automating notifications when tasks complete.

Tags

slackmessagingteamcommunication

Score Breakdown

CLI Score Breakdown8/11
Official SDK on npm/pip+2
Env var authentication (no browser OAuth)+2
Works in headless/CI environments+2
CLI tool available0
JSON response for piping/parsing+1
Docs have curl/CLI examples0
Reasonable rate limits for scripted use+1
Machine-readable pricing (md/JSON/static)0
Quality Score Breakdown
npm weekly downloads22k
GitHub stars83k
Days since last release13d
Issue close ratio78%
TypeScript typesYes
Docs qualitygood
Breaking changesrare

Performance

Latencyus-east-1 - 2026-03-27
p50
130ms
avg
160ms
p95
400ms

Scores

CLI
7
Quality
8
AuthorAnthropic
Weekly installs22,000
Last updated3/18/2026

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CLI
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Quality
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claude mcp add upstash -- npx -y @upstash/mcp-server
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Slack Web API

Messages, channels, users, files, and app interactions.

CLI
8
Quality
9
npm install @slack/web-api
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GitHub MCP Server

Access GitHub repos, issues, PRs, and actions directly from Claude Code.

CLI
10
Quality
10
claude mcp add github -- npx -y @modelcontextprotocol/server-github