fable-advisor skillA
fable-advisor is agent-read markdown (skill) from archibate/agent-skills: Consult an independent read-only Claude Fable advisor when a decision can affect security, privacy, money, data loss, deployment, or public API compatibility; when investigation leaves two plausible directions with materially different consequences; when a consequential completion claim depends on an unverified assumption or critical behavior that normal tests cannot cover; or before claiming completion of a substantial goal, for final code or artifact review and a sanity check, even when local .
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 archibate/agent-skills/fable-advisor@git:20260910.607ab01mdr add archibate/agent-skills/fable-advisor@sha256:67334209d1740330Pin 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_nf4tqkgzueoeakj6)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260910.607ab01 latest | 2026-09-10 | 607ab01 | 5,117 B | A | view · diff |
| git:20260907.b95c4c9 | 2026-09-07 | b95c4c9 | 4,535 B | A | view · diff |
| git:20260906.82a9801 | 2026-09-06 | 82a9801 | 4,510 B | A | view · diff |
| git:20260904.548d7fe | 2026-09-04 | 548d7fe | 4,505 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 (5117 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
archibate/agent-skills · 10 stars · license NOASSERTION · pushed 2026-09-17 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_nf4tqkgzueoeakj6 GET https://markdownregistry.com/api/v1/resolve?ref=archibate/agent-skills/fable-advisor GET https://markdownregistry.com/api/v1/blob/67334209d17403301163954d130681b7d39da9024d4f093d3ee45391d1abd051
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.