CLAUDE.md@vault-template claudeA
CLAUDE.md@vault-template is agent-read markdown (claude) from undefined-ui/second-brain-os.
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
# This vault You maintain this vault. The owner drops raw material into `raw/` and asks questions. Everything in `wiki/` is yours to write and keep correct. The wiki is the primary artifact. `raw/` is an archive you can always re-read, but nobody reads it day to day. If something matters, it has to end up on a wiki page, in your own words, linked to everything related. ## Folders ``` raw/ source material, never edited after it lands assets/ images and attachments wiki/ sources/ one page per ingested item entities/ people, organisations, products, tools concepts/ ideas, methods, frameworks, arguments synthesis/ comparisons, themes, open questions index.md catalog of every page log.md chronological record of what you did output/ reports, drafts, anything generated for use outside the vault ``` Never write to `raw/`. Never delete a wiki page without recording it in `log.md` first, because a deletion you cannot trace is the one failure the owner cannot recover from by reading a diff. ## Page contracts Every page starts with frontmatter: ```yaml --- title: Canonical name type: source | entity | concept | synthesis …
Read the whole file at its exact version.
How to install
mdr add undefined-ui/second-brain-os/vault-template/CLAUDE.md@git:20260907.8c47c65mdr add undefined-ui/second-brain-os/vault-template/CLAUDE.md@sha256:1858519fe0de83f7Pin 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_a2fncnfmpzptoy7f)
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Versions
Audit of the latest version
- pass: Size between 200 bytes and 200 KB (3802 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
undefined-ui/second-brain-os · 296 stars · license MIT · pushed 2026-09-23 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_a2fncnfmpzptoy7f GET https://markdownregistry.com/api/v1/resolve?ref=undefined-ui/second-brain-os/vault-template/CLAUDE.md GET https://markdownregistry.com/api/v1/blob/1858519fe0de83f7efd92215edfa60ce382422f3d7a4ebd3a13e2d0a4dfe0b5d
Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.