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ExtensionStart Docs

From purchase to a published extension. Sign-in, payments, paywalls, and store runbooks, documented end to end.

If you’re working with Claude, Cursor, or another coding agent, give it the whole documentation set as context:

Every page is also available as raw Markdown by appending .md to its URL (for example /guides/auth.md), or via the “Copy as Markdown” button next to each page title.