# Substack publishing API added to MCP ecosystem, enabling agents to draft and publish posts > Source: > Published: 2026-07-28 22:21:17+00:00 # Substack publishing API added to MCP ecosystem, enabling agents to draft and publish posts According to the Posting Substack API documentation, the service is an MCP server that allows Cursor, Claude, and other MCP hosts to draft, publish, and schedule posts to Substack, which lacks a native public API. The release expands MCP ecosystem coverage into content publishing workflows. ## Topics ## Sources - Official [Read article](https://apisubstack.com/) ## Go deeper This intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.