Slack Message MCP

Item: Slack Message MCP
Rating: 43
Author: M8ven

Enables posting messages to a Slack channel using a bot token, with support for stdio and HTTP modes.

→ andygruening/slack-mcp · listed on glama

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// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: SLACK_BOT_TOKEN. We can’t prove the destination matches the brand the credential belongs to.

🔐

You'll be asked for 1 credential: SLACK_BOT_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configHOST

configPORT— export ="3000"

🔐 secretSLACK_BOT_TOKEN— export ="xoxb-..."

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 1 concrete improvement we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/andygruening-slack-mcp-9htu6a)](https://m8ven.ai/mcp/andygruening-slack-mcp-9htu6a)

commit: f54a89d8909e768c47b6ac66f096e84e6190660b

code hash: 4804e95ab557d5e929dc9f35a6e5ee8e503cafe8081aa3431e42e0f1e5a92e11

verified: 6/25/2026, 9:55:05 AM

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