explain-the-number SKILL.md skillA
explain-the-number from ehnruiz/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add ehnruiz/claude-skills/explain-the-number@git:20261015.6e97839Pins git:20261015.6e97839 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- ehnruiz/claude-skills
- Path
skills/explain-the-number/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261015.6e97839, committed Oct 15, 2026
- Size
- 3,016 bytes
- Repository stars
- 3
- License
- MIT
Like-for-like before a measured number is reported or credited to a change. Use before saying a change moved a score, a count, a before/after delta, a benchmark time or speedup, a Lighthouse or Core Web Vitals result, an eval score, or an error, conversion or traffic rate. For whether the tests and gates passed, use `regression-proof`.
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
# Explain the number
A number credits a cause only when the comparison is **like-for-like** and nothing else that
changed between the runs explains it. Every number is held to this, the one that looks clean
included: a count taken over the same number of items carries the same suspects as the score
beside it. Credit and license: `LICENSE.md` in this folder.
1. **Diff the coverage before the result.** Set the two runs side by side on what they looked at:
- the population: the actual set of pages, requests, users, test cases or files, not only
the count, since two runs of 31 pages can be two different 31;
- the measures: which checks, metrics or stages ran in each, and which were skipped;
- the setup: tool and runtime versions, config, hardware or device profile, data or fixtures;
- the world: deploys, content changes, traffic shifts and incidents in between.
Each difference is a second explanation for the change.
2. **Rule out each explanation with evidence.** The usual suspects: a check or stage that did not
run; items the newer run did not look at again (not looked at, so not fixed); items newly in
…Read the whole file at its exact version.
How to install
mdr add ehnruiz/claude-skills/explain-the-number@sha256:8feae0a8c115937bThe line at the top of this page pins the label git:20261015.6e97839, 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_lvncwkih7g645hdr)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Oct 15, 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 (3016 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
ehnruiz/claude-skills · 3 stars · license MIT · pushed 2026-10-21 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_lvncwkih7g645hdr GET https://markdownregistry.com/api/v1/resolve?ref=ehnruiz/claude-skills/explain-the-number GET https://markdownregistry.com/api/v1/blob/8feae0a8c115937b6bf8130df9a94e3f8da40cdc815c1fc9690b55517befbebc
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.