simple-math SKILL.md skillA
simple-math from cisco-ai-defense/skill-scanner is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add cisco-ai-defense/skill-scanner/simple-math@git:20260903.e815686Pins git:20260903.e815686 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- cisco-ai-defense/skill-scanner
- Path
evals/skills/safe-skills/simple-math/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260903.e815686, committed Sep 3, 2026
- First version recorded
- Jan 29, 2026
- Size
- 208 bytes
- Repository stars
- 2,689
- License
- a license file GitHub does not identify
Perform basic arithmetic using a direct operator implementation.
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
# Simple Math Use [math_ops.py](math_ops.py) to add two numbers.
Read the whole file at its exact version.
How to install
mdr add cisco-ai-defense/skill-scanner/simple-math@sha256:7a2f6c7d662abd0dThe line at the top of this page pins the label git:20260903.e815686, 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_o7qb6ro5535rehvw)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Jan 29, 2026 and Sep 3, 2026, about one every 109 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260903.e815686 latest | 2026-09-03 | e815686 | 208 B | A | view · diff |
| git:20260129.1b978c7 | 2026-01-29 | 1b978c7 | 523 B | A | view · diff |
| git:20260129.ceb5ad1 | 2026-01-29 | ceb5ad1 | 524 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 (208 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
cisco-ai-defense/skill-scanner · 2,689 stars · license a license file GitHub does not identify · pushed 2026-10-26 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_o7qb6ro5535rehvw GET https://markdownregistry.com/api/v1/resolve?ref=cisco-ai-defense/skill-scanner/simple-math GET https://markdownregistry.com/api/v1/blob/7a2f6c7d662abd0d4fef13c4780b8102f8e064d0cb6cf08413c204930c6cd0da
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.