Substack MCP

Item: Substack MCP
Rating: 69
Author: M8ven

Enables managing Substack publications: publish Notes and posts, manage drafts, pull analytics, and read any publication's public feed via MCP.

→ codalanguez/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.

✅

Open source with a license and README

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

// required environment variables

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

configSUBSTACK_SUBDOMAIN— codalanguez

configSUBSTACK_PUB_HOST— newsletter.codalanguez.com

configSUBSTACK_PUB_SID— substack.sid from newsletter.codalanguez.com>

configSUBSTACK_SID— substack.sid from substack.com>

configSUBSTACK_PUB_COOKIE_NAME

// 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/codalanguez-substack-mcp-1niw1m)](https://m8ven.ai/mcp/codalanguez-substack-mcp-1niw1m)

commit: b34519a68b2bc6033bf9a072f6dd2bca64a7e15c

code hash: 3781be8903a4975eb9a055aae53cce32a1e6621d73a04c730d66e719acfc98e4

verified: 7/28/2026, 9:12:06 AM

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