{"slug": "substack-publishing-api-added-to-mcp-ecosystem-enabling-agents-to-draft-and", "title": "Substack publishing API added to MCP ecosystem, enabling agents to draft and publish posts", "summary": "A new MCP server called Posting Substack API allows Cursor, Claude, and other MCP hosts to draft, publish, and schedule posts to Substack, which lacks a native public API, expanding the MCP ecosystem into content publishing workflows.", "body_md": "# Substack publishing API added to MCP ecosystem, enabling agents to draft and publish posts\n\nAccording 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.\n\n## Topics\n\n## Sources\n\n- Official\n[Read article](https://apisubstack.com/)\n\n## Go deeper\n\nThis intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.", "url": "https://wpnews.pro/news/substack-publishing-api-added-to-mcp-ecosystem-enabling-agents-to-draft-and", "canonical_source": "https://www.getreadyforagents.com/news/mcp-substack-publishing-api/", "published_at": "2026-07-28 22:21:17+00:00", "updated_at": "2026-07-28 23:02:06.287614+00:00", "lang": "en", "topics": ["ai-tools", "developer-tools", "generative-ai"], "entities": ["Substack", "Cursor", "Claude", "Posting Substack API", "MCP"], "alternates": {"html": "https://wpnews.pro/news/substack-publishing-api-added-to-mcp-ecosystem-enabling-agents-to-draft-and", "markdown": "https://wpnews.pro/news/substack-publishing-api-added-to-mcp-ecosystem-enabling-agents-to-draft-and.md", "text": "https://wpnews.pro/news/substack-publishing-api-added-to-mcp-ecosystem-enabling-agents-to-draft-and.txt", "jsonld": "https://wpnews.pro/news/substack-publishing-api-added-to-mcp-ecosystem-enabling-agents-to-draft-and.jsonld"}}