skill-eval SKILL.md skillA
skill-eval from michalstrnadel/source-to-skill is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add michalstrnadel/source-to-skill/skill-eval@git:20261026.e43070cPins git:20261026.e43070c in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- michalstrnadel/source-to-skill
- Path
skills/skill-eval/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261026.e43070c, committed Oct 26, 2026
- Size
- 3,909 bytes
- Repository stars
- 8
- License
- MIT
Measure how well a generated knowledge skill answers questions about its source - grounded questions drafted from the original source, answered using only the skill, graded expectation by expectation, with a score, the facts the skill is missing, and an optional fix. Writes evals/evals.json in the skill-creator format. Use when the user runs /skill-eval, or asks "is this skill any good", "test / evaluate / benchmark my skill", "what did the skill miss", or wants to check a skill made by…
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
# skill-eval Check a skill against the source it was made from. The question is not "does the skill read well" but "can an agent holding only this skill answer what the source answers, and cite it correctly". Usage: `/skill-eval <skill-dir>` (a path, or a skill name found under `~/.claude/skills/`, `~/.agents/skills/`, `~/.copilot/skills/` or the project's `.claude/skills/`, `.agents/skills/`, `.github/skills/`). ## Step 1 — Get the questions If `<skill-dir>/evals/evals.json` exists (source-to-skill writes one while the source is still in context), use it. Otherwise draft one: 1. Read `<skill-dir>/source.json` (topic skills: `sources/*.source.json`). Missing → say the skill was not made by source-to-skill and ask for the original source. 2. Re-extract the source with the source-to-skill extractor into a fresh work dir (`python3 scripts/extract.py "<source>" [options from the manifest] --work-dir <tmp>/skill_eval`, run from the source-to-skill skill folder). Tell the user the `est_tokens` and ask before reading it. 3. Draft 8 questions from `full_text.txt`, never from the skill, spread across the source's segments: 3 concrete facts or numbers, 2 decision …
Read the whole file at its exact version.
How to install
mdr add michalstrnadel/source-to-skill/skill-eval@sha256:651b6689c9a9d5d7The line at the top of this page pins the label git:20261026.e43070c, 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_hy5orzezpasnn7en)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Oct 26, 2026.
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 (3909 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
michalstrnadel/source-to-skill · 8 stars · license MIT · pushed 2026-10-26 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_hy5orzezpasnn7en GET https://markdownregistry.com/api/v1/resolve?ref=michalstrnadel/source-to-skill/skill-eval GET https://markdownregistry.com/api/v1/blob/651b6689c9a9d5d7daf1224dff8451075ff2b05f142d1ac3d231912360435103
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.
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