OpenAI publishes full Annotations extensibility docs for WebMCP agents
OpenAIDevs · x · 2026-10-13
OpenAI's developer account published full Annotations Extensibility docs (learn.chatgpt.com, with llms.txt and .md Markdown versions). Paired with WebMCP, custom annotation controls and suggested prompts give agents in ChatGPT's browser more context to act on, demoed for scene editing and expense updates. The docs hub also covers Responses API, Agents API, Evals, fine-tuning, and the GPT-6 model catalog.
Related event: OpenAI Introduces WebMCP Annotations Extension for Browser Agents(3 posts)→
More from coding & agent
- PageIndex SDK v0.4 claims tree indexing now cheaper than vector indexing by ~15% — solyarisoftware · 2026-10-13
- Economist: agentic coding lets you write your own Fortran optimizers, not just ask for Stata packages — Apoorva__Lal · 2026-10-13
- Tencent open-sources Agent Memory: local long-term memory, 61% fewer tokens, 48%→76% accuracy — solyarisoftware · 2026-10-13
- Testing AI agents with simulations: replay real traces, 50 curated sims beat 1000 random ones — HamelHusain · 2026-10-13
- How humans and Copilot agents split the work to build a GitHub Copilot beginner course — DanWahlin · 2026-10-13
- Engineers distill their AGI debate into an essay on self-verifying, continuously improving agents — dotey · 2026-10-13