substack-mcp

Remote MCP server that provides tools to read a Substack user's notes and recent activity when given a public profile name.

→ rabwill/substack-mcp · 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.

🔐

You'll be asked for 1 credential: SUBSTACK_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— 4. Optionally set and PORT in .env.

configPORT— 4. Optionally set HOST and in .env.

🔐 secretSUBSTACK_TOKEN— A valid substack.sid cookie value (used as )

// 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 4 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/rabwill-substack-mcp-ec7z9m)](https://m8ven.ai/mcp/rabwill-substack-mcp-ec7z9m)

commit: b93ac2d8b73ff8ee784bec3dc54c8275e2b45bf7

code hash: 001857050a8050bd5774789eeebb334b0af2bd5ff030e67c3e60a3390ed75145

verified: 7/8/2026, 8:41:34 AM

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