# subagentapps.com — the Claude Apps primitive > A durable, D1-backed catalog of real, citable facts about Claude Apps (Claude.ai's Artifacts-based no-code apps surface), grounded only in live-fetched Anthropic pages. ## API - GET /api/apps — list fact rows (topic, fact text, source_url) - GET /api/apps/:id — a single fact row as JSON - POST /api/apps — create/update a fact row (gated by APPS_WRITE_SECRET bearer auth) ## Family This site is one of the Cloudflare Workers in the subagent*.com family. For the live, machine-readable directory of every sibling domain, Cloudflare zone ID, and worker binding, fetch: https://subagentsubdomains.com/api/dns-zones For a unified catalog of every API route across every primitive in the family: https://subagentapi.com/api/catalog