{"dataVersion":"ee5de863c30bdbe4fe7dd3e07c7e22ea9bf4ab2248dbc7c35cdbf60bc28be1db","evidence":[{"id":"claude-code-tools","kind":"official-docs","url":"https://code.claude.com/docs/en/tools-reference","title":"Claude Code tool reference","checked":"2026-09-06","locator":"WebFetch and WebSearch tool behavior"},{"id":"codex-agent-browser-observation","kind":"observation","url":"https://github.com/agent-tooling/clients-dev/blob/main/observations/codex-agent-browser.json","title":"Codex optional agent-browser: two local runs","checked":"2026-09-06","locator":"records: /html, /negotiate, /redirect, /json; checks: #js text in both runs","revision":"agent-browser 0.9.1; HeadlessChrome/145.0.7632.6","traceSha256":"7fdb5b09f5f7eb830ffec046ac18dca2bab0ccda82a7b14c2895e38fc33eeb89","trace":"observations/codex-agent-browser.json","reproduction":"bun run scripts/observe-browser.ts; requires agent-browser 0.9.1 and its installed browser. Local headless execution through Codex shell; no configured header overrides."},{"id":"codex-search","kind":"official-docs","url":"https://learn.chatgpt.com/docs/web-search","title":"OpenAI local web search","checked":"2026-09-06","locator":"Configure local web search"},{"id":"cursor-tools","kind":"official-docs","url":"https://cursor.com/docs/agent/overview","title":"Cursor agent tools","checked":"2026-09-06","locator":"Tools: Web and Browser"}]}