For AI agents: the docs index is at https://docs.customgpt.ai/llms.txt. Append .md to any documentation page URL to get its markdown version.
- In the file upload window, alerts now appear below the upload area when a selection goes over a limit: more than 50 files, more than 1GB in total, or a file over 100MB. Every alert that applies is shown at once.
- Verify Responses now runs on Claude Sonnet 5.5.