slack

MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.

→ gustavonline/slack-mcp-server-private-channels · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

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.

🔐 secretSLACK_BOT_TOKEN— "": "xoxb-your-bot-token",

configSLACK_CHANNEL_IDS— "": "C01234567, C76543210"

configSLACK_TEAM_ID— "": "T01234567",

// 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 5 concrete improvements 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/gustavonline-slack-mcp-server-private-channels-3xf6z5)](https://m8ven.ai/mcp/gustavonline-slack-mcp-server-private-channels-3xf6z5)

commit: 9b4c86a0575cbefd3cba16fb0d82de7102e0907b

code hash: 94e0927bb452527912d47d93d0f409a3904e512529563b8761c3982f5eb32a53

verified: 6/22/2026, 1:24:05 PM

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