example skillA
example is agent-read markdown (skill) from hashgraph-online/hol-guard: An example skill that does things with clear provenance, taxonomy, and metadata for trust scoring..
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/example@git:20260831.77d0795mdr add hashgraph-online/hol-guard/example@sha256:e1d1ed024b4f3a82Pin 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_azvdmetd3z3veszs)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260831.77d0795 latest | 2026-08-31 | 77d0795 | 760 B | A | view · diff |
| git:20260516.57a90de | 2026-05-16 | 57a90de | 433 B | A | view · diff |
| git:20260415.7241935 | 2026-04-15 | 7241935 | 449 B | A | view · diff |
| git:20260407.03b0c9e | 2026-04-07 | 03b0c9e | 455 B | A | view · diff |
| git:20260329.b807bdb | 2026-03-29 | b807bdb | 153 B | B | 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 (760 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 · 558 stars · license Apache-2.0 · pushed 2026-09-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_azvdmetd3z3veszs GET https://markdownregistry.com/api/v1/resolve?ref=hashgraph-online/hol-guard/example GET https://markdownregistry.com/api/v1/blob/e1d1ed024b4f3a8216a22b9344a3aec92884a1f1b1f281067d642ed2337eaa75