Slack MCP Server

Item: Slack MCP Server
Rating: 74
Author: M8ven

Gives AI agents full Slack access via session tokens, requiring no app registration, admin approval, or OAuth.

→ jtalk22/slack-mcp-server · listed on glama

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// key findings

✅

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 5 credentials: CF_TERRAFORM_TOKEN, CLOUDFLARE_API_TOKEN, SLACK_API_KEY, SLACK_MCP_HTTP_AUTH_TOKEN, SLACK_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.

🔐 secretCF_TERRAFORM_TOKEN

configCLOUDFLARE_ACCOUNT_ID

🔐 secretCLOUDFLARE_API_TOKEN

configEXPECTED_GIT_EMAIL

configEXPECTED_GIT_NAME

configOWNER_CHECK_RANGE

configPORT

configPREPUBLISH_REPORT_PATH

🔐 secretSLACK_API_KEY

configSLACK_COOKIE— "": "xoxd-your-cookie"

configSLACK_MCP_AUTH_TEST_URL

configSLACK_MCP_CHROME_PROFILE

configSLACK_MCP_CHROME_USER_DATA_DIR

configSLACK_MCP_EXTRACTION_MODE

configSLACK_MCP_HTTP_ALLOWED_ORIGINS

🔐 secretSLACK_MCP_HTTP_AUTH_TOKEN— change-this \

configSLACK_MCP_HTTP_INSECURE

🔐 secretSLACK_TOKEN— "": "xoxc-your-token",

configTEST_WEB_PORT

// 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 0 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/jtalk22-slack-mcp-server-1v9ogv)](https://m8ven.ai/mcp/jtalk22-slack-mcp-server-1v9ogv)

commit: b57674ebe6e7b3af1f4d9dc4963bb04108cdf47a

code hash: 8cff894fea2b4065f1b65517f82e36f4285c3fda8375ba80306d517252a4495e

verified: 6/12/2026, 10:24:06 AM

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