doctor skillB
doctor is agent-read markdown (skill) from yuno15-bb/greymatter-engine: Check the health of the C Brain installation and trunk — dead links, unindexed notes, broken hooks, stale state. Use when recall seems to return nothing, when notes are not being saved, when the user says C Brain "is not working", or before trusting the trunk for something important..
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.
What the file says
# Check the trunk and the wiring Two commands, and they answer different questions. Run both. ```bash brain selftest # is the ENGINE wired correctly? (hooks, links, permissions) brain doctor # is the TRUNK coherent? (dead [[links]], orphans, index gaps) ``` ## Reading the result - **selftest red** → the installation is the problem. Re-run `install.sh`; it is idempotent and repairs its own wiring. - **doctor red** → the notes are the problem. Dead `[[links]]` and notes missing from `MEMORY.md` are the two that actually cost recall. - **Both green but recall returns nothing** → the query, not the machinery. Try narrower terms; the ranking is lexical, so it matches words, not meaning. ## What not to conclude A silent hook is not a healthy hook. If notes are not being saved and both commands are green, check that the hooks are registered at all — a hook whose path no longer resolves does not fail loudly, it simply stops recording.
Read the whole file at its exact version.
How to install
mdr add yuno15-bb/greymatter-engine/doctor@git:20260729.12a9be5mdr add yuno15-bb/greymatter-engine/doctor@sha256:c28cc5d8c632d5dbPin 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_rbtsxsr6j2jstk6q)
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Versions
Audit of the latest version
- fail: Frontmatter declares a name
- pass: Frontmatter block present
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (1278 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
yuno15-bb/greymatter-engine · 3 stars · license Apache-2.0 · pushed 2026-09-20 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_rbtsxsr6j2jstk6q GET https://markdownregistry.com/api/v1/resolve?ref=yuno15-bb/greymatter-engine/doctor GET https://markdownregistry.com/api/v1/blob/c28cc5d8c632d5db1412d6917ec743fec4bb93e6bac39de557788e7511426413
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