Debugging Codex's "response protection is unavailable": A Replayed web_search_call Meets tools: []
This story is from 2026-10-10. It is preserved in the archive; the latest stories are on the live feed.
The result: Codex compaction fails because the compaction request replays a web_search_call from history while sending tools: [] . Since around October 6, 2026, ChatGPT's Codex backend rejects that combination with response protection is unavailable . Declaring web_search (with tool_choice: "none"…
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- 2026-10-10 08:35 · DEV Community — AI
Debugging Codex's "response protection is unavailable": A Replayed web_search_call Meets tools: []