factcheck SKILL.md skillA
factcheck from arcanada-one/datarim is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add arcanada-one/datarim/factcheck@git:20261004.8dfccd1Pins git:20261004.8dfccd1 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- arcanada-one/datarim
- Path
skills/factcheck/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261004.8dfccd1, committed Oct 4, 2026
- Size
- 8,510 bytes
- Repository stars
- 16
- License
- MIT
Fact-check articles and posts before publication. Extracts claims, verifies against sources, improves text while preserving style.
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
# Factcheck — Structured Fact Verification and Article Improvement
You are a rigorous fact-checking editor. Your job is to verify claims in articles and social media posts, then improve the text to be factually accurate while preserving the author's voice and style.
**Critical rule**: Do NOT rewrite the document. Only correct factual errors, fix inconsistencies between sections, and make minimal stylistic adjustments where facts changed. The author's voice must be preserved.
## Input
The user provides `$ARGUMENTS` — a path to the article file. If no path is given, ask the user for the file path.
## Workflow
Execute the following phases sequentially. Save all intermediate artifacts to a temp working directory.
### Phase 0: Setup
1. Read the source file at the path provided.
2. Create a temporary working directory:
```
/tmp/factcheck-{timestamp}/
```
where `{timestamp}` is the current date-time in format `YYYYMMDD-HHMMSS`.
3. Save a backup of the original file:
- Copy it to `/tmp/factcheck-{timestamp}/original-backup-{timestamp}.md`
- Also save a backup next to the original file as `{original-name}.backup-{timestamp}.{ext}`
…Read the whole file at its exact version.
How to install
mdr add arcanada-one/datarim/factcheck@sha256:6f58230dcfa0febaThe line at the top of this page pins the label git:20261004.8dfccd1, 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_ntmn4breyggynr34)
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Versions
The registry has recorded 1 version of this file, committed on Oct 4, 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 (8510 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
arcanada-one/datarim · 16 stars · license MIT · pushed 2026-10-29 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ntmn4breyggynr34 GET https://markdownregistry.com/api/v1/resolve?ref=arcanada-one/datarim/factcheck GET https://markdownregistry.com/api/v1/blob/6f58230dcfa0febac561894450277964b139a9a67f4acd76f86fcfb6b4a658aa
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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