rag-evaluation SKILL.md skillA
rag-evaluation from amey-thakur/ai-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add amey-thakur/ai-skills/rag-evaluation@git:20260728.fe84bd4Pins git:20260728.fe84bd4 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- amey-thakur/ai-skills
- Path
skills/ai-memory-rag/rag-evaluation/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260728.fe84bd4, committed Jul 28, 2026
- Size
- 2,011 bytes
- Repository stars
- 13
- License
- MIT
Measure retrieval and generation separately against a judged set, so you know whether a wrong answer came from the search or the model. Use when a RAG system is unreliable and every fix is a guess.
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
# RAG evaluation A RAG system fails in two distinct places: it retrieved the wrong material, or it retrieved the right material and answered badly. Evaluating end to end tells you it is broken; evaluating the stages separately tells you where. ## Method 1. **Build a judged set from real questions.** Actual user questions with the passages that answer them and an acceptable answer, assembled once and maintained. 2. **Measure retrieval independently.** Was the answering passage in the top results? This single number isolates half the system and is the cheapest to improve (see relevance-tuning). 3. **Measure faithfulness separately.** Given the retrieved context, is the answer supported by it? An unfaithful answer with correct retrieval is a generation problem. 4. **Check for the confident empty case.** When nothing relevant was retrieved, does the system say so or invent an answer? This is the most damaging failure and the least measured. 5. **Test the questions your corpus cannot answer.** A system that refuses appropriately is working correctly, and a judged set of only answerable questions never tests it. …
Read the whole file at its exact version.
How to install
mdr add amey-thakur/ai-skills/rag-evaluation@sha256:f89f672567fb19f3The line at the top of this page pins the label git:20260728.fe84bd4, 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_2xcwtk2dc6u4z64k)
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Versions
The registry has recorded 1 version of this file, committed on Jul 28, 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 (2011 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
amey-thakur/ai-skills · 13 stars · license MIT · pushed 2026-09-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_2xcwtk2dc6u4z64k GET https://markdownregistry.com/api/v1/resolve?ref=amey-thakur/ai-skills/rag-evaluation GET https://markdownregistry.com/api/v1/blob/f89f672567fb19f352b92c85d6a372aa1471ef016540c741ad6c15b65b6b6009
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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