Ghost Invasion
ChatGPT pluginFind bugs you can reproduce, then check your fix against the same test. Ghost Invasion runs repeatable browser test journeys against a disposable local app using synthetic data. It records reports, browser traces and state-change evidence so you can inspect what happened and replay the failure. The bundled test engine includes a demonstration that detects a known fault, reproduces it and checks a fixed version. Use only an explicitly approved, trusted local test app with fake data, never production or real accounts. Requires a local coding assistant, Node.js 22+, npm and Playwright Chromium on macOS or Linux. The test engine itself needs no paid model API calls.
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Developer tools765th of 900 by placement
| # | Plugin | Position | 7d |
|---|---|---|---|
| 763 | #9358 | 1,317places down | |
| 764 | #9380 | — | |
| 765 | #9390 | — | |
| 766 | #9399 | — | |
| 767 | #9400 | — |
More from Christian Katzmann
All listings by Christian KatzmannExample prompts
- “Use Ghost Invasion to run its disposable reviewer fixture and show the replay evidence.”
Skills
ghost-invasion
Test a disposable local web app with deterministic fake users, inspect browser traces and reports, and replay faults after a fix. Use for Ghost Invasion or local fake-user testing requests.
- Categories
- Made by
- Christian Katzmann · Website
- Sign-in
- On Install
- Capabilities
- Read, Write
- Availability
- Available
- Version
- 0.2.0
- Keywords
- testing, playwright, local, replay
- Created
- September 30, 2026
- More info
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