always-verify-numbers-and-links SKILL.md skillA
always-verify-numbers-and-links from alivirgo/major-ai-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add alivirgo/major-ai-skills/always-verify-numbers-and-links@git:20260910.c429a71Pins git:20260910.c429a71 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- alivirgo/major-ai-skills
- Path
skills/always-verify-numbers-and-links/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260910.c429a71, committed Sep 10, 2026
- First version recorded
- Aug 26, 2026
- Size
- 6,294 bytes
- Repository stars
- 2
- License
- MIT
Verify statistics, contact details, calculations, and URLs against appropriate sources before using them in a deliverable.
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
# Always Verify Numbers and Web Links (AI Skill) ## Overview Large Language Models (LLMs) do not compute math or maintain an internal web directory in real time - they predict the most probable sequence of tokens. As a result, AI assistants can invent plausible-looking URLs, 404 links, outdated statistics, and subtly incorrect arithmetic with complete grammatical confidence. This skill outlines the **Grounding & Verification Protocol**: a strict set of operating rules to validate figures, test web endpoints, and force AI models to ground their claims in verifiable data. --- ## Why AI Hallucinates Numbers & Links ``` ┌─────────────────────────────────────────────────────────────┐ │ The Hallucination Trap │ │ │ │ User Asks: "What is the URL for the IRS form 1099-MISC?" │ │ │ │ AI Internal Probability: │ │ "https://www.irs.gov/forms-pubs/about-form-1099-misc" (92%)│ │ ↳ Plausible URL structure generated purely from token patterns │ …
Read the whole file at its exact version.
How to install
mdr add alivirgo/major-ai-skills/always-verify-numbers-and-links@sha256:1f67198459c95711The line at the top of this page pins the label git:20260910.c429a71, 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_yaumybz26zb6wcfp)
1 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Aug 26, 2026 and Sep 10, 2026, about one every 8 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260910.c429a71 latest | 2026-09-10 | c429a71 | 6,294 B | A | view · diff |
| git:20260826.1e28b95 | 2026-08-26 | 1e28b95 | 6,314 B | A | view · diff |
| git:20260826.04755d9 | 2026-08-26 | 04755d9 | 6,314 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 (6294 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
alivirgo/major-ai-skills · 2 stars · license MIT · pushed 2026-10-21 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_yaumybz26zb6wcfp GET https://markdownregistry.com/api/v1/resolve?ref=alivirgo/major-ai-skills/always-verify-numbers-and-links GET https://markdownregistry.com/api/v1/blob/1f67198459c95711c6718fa3e04c8e42e150a1c791052a0851cb271bfc896593
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.