test-reaper SKILL.md skillA
test-reaper from jerseycheese/agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add jerseycheese/agent-skills/test-reaper@git:20261016.b1df161Pins git:20261016.b1df161 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- jerseycheese/agent-skills
- Path
skills/test-reaper/SKILL.md- Versions recorded
- 5
- Latest version
- git:20261016.b1df161, committed Oct 16, 2026
- First version recorded
- Aug 15, 2026
- Size
- 19,802 bytes
- Repository stars
- 3
- License
- MIT
Finds and removes dead or trivial tests: duplicates, mock-only asserts, render checks that prove nothing. Also finds over-mocked tests and seam gaps, where no test sends a realistic payload across a boundary. Trigger on: "reap tests", "our tests don't test anything", "too much mocking", "why didn't tests catch this".
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Test Reaper A test suite rots differently than source. Nothing goes red, nothing gets flagged, the count keeps climbing, and confidence quietly decouples from coverage. The tests that hurt most are not the broken ones - they're the ones that pass no matter what you do to the code. `dead-code-cleanup` already covers the classic markers: snapshot-only tests, `renders without crashing`, `.skip`, orphaned files. In a repo that has been kept up, those all return zero, and the sweep stops there having found nothing. This skill starts where that one runs out. Also watch for a newer kind of dead weight: a test added after deleting stale text/config/CSS that reads a file and asserts the old string is gone. Those tests feel like regression coverage, but most of them only make the deletion permanent in the narrowest possible way. If the old reference comes back, the real question is whether behavior broke; if no behavior is observed, the test is just a grep with a Jest wrapper. …
Read the whole file at its exact version.
How to install
mdr add jerseycheese/agent-skills/test-reaper@sha256:b898fbf1146e8098The line at the top of this page pins the label git:20261016.b1df161, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_pfoq2sddmklrh6iw)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Aug 15, 2026 and Oct 16, 2026, about one every 15 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261016.b1df161 latest | 2026-10-16 | b1df161 | 19,802 B | A | view · diff |
| git:20261016.b39fc77 | 2026-10-16 | b39fc77 | 18,845 B | A | view · diff |
| git:20261016.04e815b | 2026-10-16 | 04e815b | 10,922 B | A | view · diff |
| git:20260913.e9eb3b6 | 2026-09-13 | e9eb3b6 | 11,349 B | A | view · diff |
| git:20260815.e36a0ed | 2026-08-15 | e36a0ed | 9,135 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (19802 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
jerseycheese/agent-skills · 3 stars · license MIT · pushed 2026-10-19 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_pfoq2sddmklrh6iw GET https://markdownregistry.com/api/v1/resolve?ref=jerseycheese/agent-skills/test-reaper GET https://markdownregistry.com/api/v1/blob/b898fbf1146e80983f555f836eb23520d6a76bac5166e446c4fee8a55353f16c
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.