Substack Draft MCP Server

Item: Substack Draft MCP Server
Rating: 74
Author: M8ven

Private MCP server for validating, previewing, creating, and updating Substack newsletter drafts through an MCP-compatible client.

→ damienbenveniste/substack-mcp · listed on glama

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

Glama

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

// key findings

🚨

Known vulnerabilities in dependencies: 1 critical

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

// known CVEs in dependencies1 critical

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@4.0.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// 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 6 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/damienbenveniste-substack-mcp-1ebho9)](https://m8ven.ai/mcp/damienbenveniste-substack-mcp-1ebho9)

commit: 66a33447b6b0b96318163e1cfe7a454bdc9863db

code hash: 5e2ffed33e7b20f3b4e11b77e8b27fbd94794358c241b4ad59895594cb593ac9

verified: 7/14/2026, 8:24:45 AM

view raw JSON →