Substack MCP Server

Enables AI tools to programmatically manage Substack content, including creating drafts, publishing posts, and posting to Substack Notes. It supports image uploads, live blogging, and document formatting compatible with Substack's ProseMirror editor.

→ arthurcolle/substack-mcp · listed on glama

Install from

Glama

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

// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

// 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/arthurcolle-substack-mcp-owbu5d)](https://m8ven.ai/mcp/arthurcolle-substack-mcp-owbu5d)

commit: 7524d624696b88c30f9c95b57a3565730a43998c

code hash: 2297ba13f80693daac88f79e40322dd8393949329f85479049f737c8a3fe3331

verified: 4/11/2026, 3:28:54 PM

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