hol-guard skillA
hol-guard is agent-read markdown (skill) from hashgraph-online/hol-guard: Run HOL Guard scanner and guard operations via `uv run hol-guard`. Use when the user asks to scan plugins/MCP/skills for security, quality, or ecosystem compliance, or when they ask to run guard detect/install/protect workflows for local AI harnesses..
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
mdr add hashgraph-online/hol-guard/hol-guard@git:20260608.71a64acmdr add hashgraph-online/hol-guard/hol-guard@sha256:6fe65f495bef188ePin 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.
[](https://markdownregistry.com/a/art_3hoxavxtfxly6ujk)
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Versions
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 (2167 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
hashgraph-online/hol-guard · 623 stars · license Apache-2.0 · pushed 2026-09-17 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_3hoxavxtfxly6ujk GET https://markdownregistry.com/api/v1/resolve?ref=hashgraph-online/hol-guard/hol-guard GET https://markdownregistry.com/api/v1/blob/6fe65f495bef188e93a330b65b0b0eab51f8c1d08b11874ab7eea8f9cb9e1da3
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.