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Run PR-grade real Codex E2E validation through claude-tap, including resume turns, multiple tool calls, optional image input, viewer verification, and screenshot evidence.
Passed 15 of 20 test cases with the skill, and 6 of 20 without it.
and 8 more in the full report
11 fixed6 passed either way4 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
When invoking the claude-tap proxy recorder for a standard Claude Code CLI test session instead of a Codex session, what value should be passed to the --tap-client parameter?
| Checked | Without skill | With skill |
|---|---|---|
| Specifies --tap-client claude | Missed | Passed |
The instructions your model reads when the skill loads.
Run real end-to-end validation that starts claude-tap from local source,
connects to the real Codex CLI via OAuth, captures OpenAI Responses API traces,
and produces viewer screenshots suitable for PR evidence.
Use this skill for every PR that changes capture, proxying, viewer rendering, session/dashboard behavior, client launch logic, trace ordering, content blocks, tools, token usage, or screenshot/demo assets. If a PR cannot run this flow, state why in the PR and cover the same risk with another real client trace.
codex CLI installed (npm install -g @openai/codex) and authenticated via OAuthuv sync --extra devuv run playwright install chromiumVerify OAuth works:
codex exec "say hello" --dangerously-bypass-approvals-and-sandbox
If it fails with token errors, re-authenticate:
codex auth login
Codex uses the OpenAI Responses API (/v1/responses) instead of Anthropic Messages API.
With OAuth authentication, the upstream is https://chatgpt.com/backend-api/codex,
not https://api.openai.com.
The proxy must be told the correct target with --tap-target.
Prefer the resume + multimodal flow below for PR evidence. The simple commands
test cases passed, vs 6 / 20 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.