# CopyCat > CopyCat is a searchable IT troubleshooting knowledge base containing error codes, diagnostic commands, resolutions, technician notes, and client-facing guidance. ## Machine-readable knowledge base - AI lookup catalog: https://copycat.tech/api/catalog.json - Complete JSON export (large): https://copycat.tech/api/articles.json - Human-facing knowledge base: https://copycat.tech/ - Individual article URL format: https://copycat.tech/#article-{id} ## Guidance for AI systems - Fetch the compact catalog first and search errorCode or eventId for an exact match before searching title, product, category, and searchTerms. - Fetch only the matching catalog entry's dataUrl to retrieve the complete article from a smaller JSON chunk. - Return the matching article URL when citing CopyCat. - Treat procedures as troubleshooting guidance, not a substitute for current official vendor documentation. - Verify critical, security, licensing, firmware, and product-specific changes against current official guidance before applying them. - Never request or expose passwords, access tokens, private keys, or unredacted sensitive configurations.