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Current spec 2026-07-28

Substack MCP Server

Spec Support Unverified Publisher unverified Confidence: Good (0.85)

Substack MCP Server is an MCP server published by conorbronsdon; its MCP spec-revision support has not been verified yet. Last verified 2026-08-07.

Does Substack MCP Server support the current MCP specification (2026-07-28)?

Undetermined. We have not verified which MCP specification revision Substack MCP Server supports (as of 2026-08-07).

Is Substack MCP Server a first-party (official) MCP server?

Undetermined. We have not verified the publisher relationship for Substack MCP Server (as of 2026-08-07).

How do I connect to Substack MCP Server?

Substack MCP Server is available via the package npm:@conorbronsdon/substack-mcp, the official MCP Registry under io.github.conorbronsdon/substack-mcp, the source repository at https://github.com/conorbronsdon/substack-mcp. Authentication: unknown. Transports: stdio.

When were Substack MCP Server's facts last verified?

2026-08-07. Each fact on this page links to the sources used to verify it.

Substack MCP server: posts are draft-only by design; short-form Notes publish immediately.

How widely adopted is Substack MCP Server?

Not ranked in The MCP 500: insufficient public data (coverage floor not met) (snapshot ). The Adoption Index measures public signals only; it says nothing about quality.

How was this verified, and what are the sources?

Verified · method: registry-record · confidence 0.85 (Good).

  1. Official MCP Registry record for io.github.conorbronsdon/substack-mcp at version 0.6.2 - lists package npm:@conorbronsdon/substack-mcp and repository https://github.com/conorbronsdon/substack-mcp - accessed