How do I install claude-mcp-slack?

Its own README gives this command: npx atlasfutures/claude-mcp-slack@v1. Run it where your MCP client can launch the server, and check the README for any settings it asks for.

What does claude-mcp-slack connect to, and what does it need?

It reaches anthropic, custom and slack. The credentials we found in its source are ANTHROPIC_API_KEY, CUSTOM_API_KEY and SLACK_TOKEN.

Which AI clients can use claude-mcp-slack?

Its own description mentions Claude Code. That is a mention in its description, not a test we ran.

Is claude-mcp-slack official and is it maintained?

We found nothing naming it as a vendor’s official server. Its repository has 1 GitHub star and its state in our directory is stale. Its last commit we recorded was on 2025-06-25.

What licence does claude-mcp-slack use?

The repository declares the MIT licence.

InfratoApp / Resources / MCP servers / claude-mcp-slack

claude-mcp-slack

claude-mcp-slack is an MCP server, listed under model apis. It reaches anthropic, custom and slack. It needs ANTHROPIC_API_KEY, CUSTOM_API_KEY and SLACK_TOKEN to authenticate. Its repository has 1 GitHub star and is licensed under MIT; we last read it on 2026-10-22.

Standalone Slack MCP server for Claude Code Action

Install

Read from claude-mcp-slack’s own README, close to verbatim -- not written by us, and not guessed.

npx atlasfutures/claude-mcp-slack@v1

View in claude-mcp-slack’s own README ↗

What it reaches, and what it needs

Reaches

anthropic, custom, slack

Credential

ANTHROPIC_API_KEY, CUSTOM_API_KEY, SLACK_TOKEN

What it connects to

Supported in

Claude Code

Unverified means a mention in the server’s own description, not a citation. A wrong claim here costs nothing to correct and nothing to trust yet.

Maintenance

Stars

State

stale

Licence

MIT

From the repository

Standalone Slack MCP server for Claude Code Action

View on GitHub ↗2026-10-22

claude-mcp-slack compared with similar servers

claude-mcp-slack compared with the closest alternatives, by services reached, credentials, stars, last update and licence
Server	Reaches	Needs	Stars	Last update	Licence
claude-mcp-slack (this page)	anthropic, custom, slack	ANTHROPIC_API_KEY, CUSTOM_API_KEY, SLACK_TOKEN	1	2025-06-25	MIT
doop	anthropic, azure, better(1 shared)	ANTHROPIC_API_KEY, AZURE_OPENAI_API_KEY, BETTER_AUTH_SECRET	930	2026-10-22	AGPL-3.0
just-prompt	anthropic, deepseek, gemini, groq, openai(1 shared)	ANTHROPIC_API_KEY, DEEPSEEK_API_KEY, GEMINI_API_KEY, GROQ_API_KEY, OPENAI_API_KEY	739	2025-08-10	—
cdp-bridge-mcp	anthropic(1 shared)	ANTHROPIC_API_KEY	304	2026-10-07	MIT
flama	anthropic, openai(1 shared)	None listed	304	2026-10-13	Apache-2.0
computer-control-mcp	anthropic(1 shared)	None listed	171	2026-07-25	MIT

Ranked by services in common with claude-mcp-slack, then by stars. Figures are from each repository when we last read it.

Common questions about claude-mcp-slack

What does claude-mcp-slack do?: Standalone Slack MCP server for Claude Code Action
How do I install claude-mcp-slack?: Its own README gives this command: npx atlasfutures/claude-mcp-slack@v1. Run it where your MCP client can launch the server, and check the README for any settings it asks for.
What does claude-mcp-slack connect to, and what does it need?: It reaches anthropic, custom and slack. The credentials we found in its source are ANTHROPIC_API_KEY, CUSTOM_API_KEY and SLACK_TOKEN.
Which AI clients can use claude-mcp-slack?: Its own description mentions Claude Code. That is a mention in its description, not a test we ran.
Is claude-mcp-slack official and is it maintained?: We found nothing naming it as a vendor’s official server. Its repository has 1 GitHub star and its state in our directory is stale. Its last commit we recorded was on 2025-06-25.
What licence does claude-mcp-slack use?: The repository declares the MIT licence.

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