Slack MCP Server with SSE Transport

Slack MCP Server with SSE transport

→ dVelopment/slack-mcp-server-sse · listed on mcp_so

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

mcp.so

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// 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.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

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— Port on which the server will run 3000

🔐 secretSLACK_BOT_TOKEN— Your Slack Bot User OAuth Token (starts with xoxb-) Required

configSLACK_TEAM_ID— Your Slack Workspace/Team ID Required

// 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 2 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/dvelopment-slack-mcp-server-sse-16mfdb)](https://m8ven.ai/mcp/dvelopment-slack-mcp-server-sse-16mfdb)

commit: 5a4a1582b5ad7b448de810f7d8a98ffef1200c42

code hash: 6f90e3297d3cb1179bd6948ca34d7bb457d1bf0254fbbd5f5952127b1fcde94d

verified: 6/8/2026, 12:16:25 PM

view raw JSON →