purpose-properties skillA
purpose-properties is agent-read markdown (skill) from haabe/mycelium: Derive the binding properties your why/how/what impose on everything below them, so no solution can silently contradict your own product definition. Retrofit entry point for projects that started before v0.120.0; also the re-derive path when why/how/what change and every stance below them goes stale..
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/purpose-properties@git:20260831.0009e37mdr add haabe/mycelium/purpose-properties@sha256:cf3cde62488e2111Pin 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_fsgj2oacoeraej3d)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260831.0009e37 latest | 2026-08-31 | 0009e37 | 12,011 B | A | view · diff |
| git:20260823.de1bb21 | 2026-08-23 | de1bb21 | 9,955 B | A | view · diff |
| git:20260823.33b7a92 | 2026-08-23 | 33b7a92 | 7,665 B | A | view · diff |
| git:20260823.5aafaea | 2026-08-23 | 5aafaea | 5,700 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 (12011 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
haabe/mycelium · 45 stars · license MIT · pushed 2026-09-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_fsgj2oacoeraej3d GET https://markdownregistry.com/api/v1/resolve?ref=haabe/mycelium/purpose-properties GET https://markdownregistry.com/api/v1/blob/cf3cde62488e211130bc7adf8d374120a865bbcdfca5f3f36621f71d38f94bc3