bad_skill skillC
bad_skill is agent-read markdown (skill) from haabe/mycelium: Has description but no name field..
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 haabe/mycelium/bad_skill@git:20260524.7234d11mdr add haabe/mycelium/bad_skill@sha256:fda349aee618b133Pin 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_jcx4ccbxc6q3hiep)
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Versions
Audit of the latest version
- fail: Frontmatter declares a name
- fail: Size between 200 bytes and 200 KB (71 bytes)
- pass: Frontmatter block present
- pass: Frontmatter declares a description
- 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
haabe/mycelium · 46 stars · license MIT · pushed 2026-09-18 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_jcx4ccbxc6q3hiep GET https://markdownregistry.com/api/v1/resolve?ref=haabe/mycelium/bad_skill GET https://markdownregistry.com/api/v1/blob/fda349aee618b1335b35643fb8d00f7d7a3050058231be3f8a678ef9e6b6afa2
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.