Slack Note Capture MCP Server

Item: Slack Note Capture MCP Server
Rating: 64
Author: M8ven

Enables two-way communication between Claude and Slack for posting messages, managing threads, and handling files. It specifically supports asynchronous workflows by allowing Claude to poll for remote user replies and send task notifications.

→ larrygmaguire-hash/slack-note-capture · 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.

⚠️

Known vulnerabilities in dependencies: 2 high

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

🔐

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.

// known CVEs in dependencies2 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@0.5.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.5.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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// required environment variables

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

🔐 secretSLACK_BOT_TOKEN— Yes Bot User OAuth Token from your Slack app

configSLACK_CHANNEL_ID— No Default channel ID for operations

// 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/larrygmaguire-hash-slack-note-capture-y9dgwh)](https://m8ven.ai/mcp/larrygmaguire-hash-slack-note-capture-y9dgwh)

commit: 98212f7a5059aa29e9f8e26b1321b0a0979c113f

code hash: 2e018da28db13e16d701c4eed5f35df42f01ee6920993862806ba41d481063ec

verified: 4/11/2026, 2:43:48 PM

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