Agent notes: custom catalogs Gotcha notes for AI agents working with AudD custom catalogs — the access requirement, how a custom match looks different, and why uploads must not be blindly retried. → Agent notes: streams and longpoll Gotcha notes for AI agents wiring up AudD stream monitoring — the account-wide callback URL, stream URL shortcuts, the longpoll callback-URL requirement, and notification codes. → Agent notes: the enterprise endpoint Gotcha notes for AI agents writing AudD enterprise-endpoint code — billing, the chunked response shape, and how to compute file-absolute timestamps. → AudD CLI guide for AI agents How AI agents use the audd command-line tool: identify songs from files and URLs, parse the JSON output, set spending limits, sign in without a browser, read exit codes and error codes, resume batches, scan long recordings, monitor streams, and run audd as a local MCP server. →