Pin the bug, watch it live
Play the combo
Foe: Flaky Wisp, a failing or flaky test.
Foes
- Flaky WispHaze Poison Ward Insight Flicker Pinned Enraged
Party · Context
- HunterYour agent100/100Haze Poison Ward Insight Flicker Pinned Enraged
The Flaky Wisp blocks the way.
What really happensIt stands for a failing or flaky test.
Hunter: Context 100/100.
The Flaky Wisp uses Flicker.
What really happensA flaky test passes on one run and fails on the next.
Hunter takes 8. Hunter: Context 92/100.
A scroll that makes the hero write the failing test before the fix.
What really happensWrites the regression test first, through public interfaces, one behavior at a time.
Flaky Wisp takes 33.
The Flaky Wisp uses Flicker.
Hunter takes 8. Hunter: Context 84/100.
A scroll that sends a headless browser through a local app.
What really happensExercises the UI with Python Playwright scripts against your local app.
Flaky Wisp takes 33.
The Flaky Wisp uses Flicker.
Hunter takes 8. Hunter: Context 76/100.
An orb that opens live Chrome so the hero can inspect the page.
What really happensInspects console, network and performance evidence in Chrome, after the other browser is done.
Flaky Wisp takes 34. Flaky Wisp falls.
The Flaky Wisp falls.
What really happensWrite a test that pins the behavior, exercise the UI, then read the runtime evidence. Use the browser tools one at a time instead of running competing browser instances.
Cast order

Matt Pocock TDD
Writes the regression test first, through public interfaces, one behavior at a time.

Anthropic Webapp Testing
Exercises the UI with Python Playwright scripts against your local app.

Chrome DevTools MCP
Inspects console, network and performance evidence in Chrome, after the other browser is done.
Why it works
Write a test that pins the behavior, exercise the UI, then read the runtime evidence. Use the browser tools one at a time instead of running competing browser instances.
Records
Curator's machine: macOS 27.0.1 · Apple Silicon (arm64), read when these stats were published. Harness versions installed then: Codex 0.154.0, Claude Code 2.1.282, OMP 18.8.3. Session logs do not record the OS.
Co-occurrence and order describe the logs; they do not show that this combo caused an outcome.
Learn the spells
1. Matt Pocock TDD
Claude Code
claude plugin install mattpocock-skills@claude-plugins-officialCodex
codex plugin marketplace add mattpocock/skills codex plugin add mattpocock-skills@mattpocock2. Anthropic Webapp Testing
Claude Code
/plugin marketplace add anthropics/skills /plugin install example-skills@anthropic-agent-skills3. Chrome DevTools MCP
Claude Code
claude mcp add chrome-devtools --scope user npx chrome-devtools-mcp@latestCodex
codex mcp add chrome-devtools -- npx chrome-devtools-mcp@latest

