AI article
Publishing Markdown to Substack from an Agent Skill
Community description: Substack has no publishing API, its editor has no tables, and a link around inline code is dropped on paste. A step by step walk-through of the Substack destination in publishing-kit: what the editor keeps, what it drops, and how an agent publishes to it and reads the result back.
Dev.to | Oct 5, 2026 | xbill
Automated excerpt
This article provides a step by step guide to publishing a markdown article to Substack with publishing-kit, an agent skill for Claude Code, Codex and Antigravity. Substack is the kit's fifth destination, after dev. to, Medium, AWS Builder Center and LinkedIn, and every output below comes from publishing the kit's own walk-through to a Substack publication. A Substack post comes out, with every code block, image and link checked in the draft Substack saved before it goes live.
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