foundry skillA
foundry is agent-read markdown (skill) from backnotprop/product-engineering: The build-and-maintenance process for this repository's converged skill kit. Use for ANY convergence or maintenance work here — lifting files from upstream sources, building or revising one of the six skills, handling upstream drift or a failed integrity check, adding a contradiction ruling, distilling source material, installing the private course drop-in, or evaluating a new upstream or skill for the kit. Load BEFORE editing anything..
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 backnotprop/product-engineering/foundry@git:20260826.30b96c6mdr add backnotprop/product-engineering/foundry@sha256:30597b1e13823666Pin 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_a34xiz67277fnkbc)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260826.30b96c6 latest | 2026-08-26 | 30b96c6 | 4,430 B | A | view · diff |
| git:20260826.4e34f3c | 2026-08-26 | 4e34f3c | 4,419 B | A | view · diff |
| git:20260826.f20ea02 | 2026-08-26 | f20ea02 | 4,404 B | A | view · diff |
| git:20260825.f1cd4fd | 2026-08-25 | f1cd4fd | 4,171 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 (4430 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
backnotprop/product-engineering · 9 stars · license Apache-2.0 · pushed 2026-08-30 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_a34xiz67277fnkbc GET https://markdownregistry.com/api/v1/resolve?ref=backnotprop/product-engineering/foundry GET https://markdownregistry.com/api/v1/blob/30597b1e13823666ee5d2fbf7afb8d70e136ec5d51536804f575cc06e0643af2