a5c-ai/babysitter · library/methodologies/claudekit/skills/file-guard/SKILL.md

file-guard skillB

file-guard is agent-read markdown (skill) from a5c-ai/babysitter: PreToolUse protection blocking sensitive file access across 195+ patterns in 12 categories with bash pipeline analysis and multi-tool ignore support..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add a5c-ai/babysitter/file-guard@git:20260601.da7723a
Exact content
mdr add a5c-ai/babysitter/file-guard@sha256:d4f5342228f51118

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_sdlqqhvf3ozt7dgb.svg)](https://markdownregistry.com/a/art_sdlqqhvf3ozt7dgb)

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Versions

versioncommittedcommitsizeaudit
git:20260601.da7723a latest2026-06-01 da7723a 1,951 BB view · diff
git:20260507.9f5be952026-05-07 9f5be95 2,010 BB view · diff
git:20260507.8dfdcb42026-05-07 8dfdcb4 2,005 BC view · diff
git:20260507.56f011d2026-05-07 56f011d 2,051 BB view · diff
git:20260325.a6b3a882026-03-25 a6b3a88 1,929 BB view

Audit of the latest version

B  16 of 17 checks passed. Deterministic, no model, same answer every run.
  • fail: No instruction to read or print local credentials (matched: cat .env)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (1951 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 base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

a5c-ai/babysitter · 1,800 stars · license MIT · pushed 2026-09-16 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_sdlqqhvf3ozt7dgb
GET https://markdownregistry.com/api/v1/resolve?ref=a5c-ai/babysitter/file-guard
GET https://markdownregistry.com/api/v1/blob/d4f5342228f5111824782ff69a23a215a9d33e51176537509415e2194598730e

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.