canary is agent-read markdown (skill) from garrytan/gstack: Post-deploy canary monitoring. (gstack).
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.
mdr add garrytan/gstack/canary@v1.0.0mdr add garrytan/gstack/canary@sha256:09d535f71e068259Pin 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_wfrjcd4rmdx5jh3c)
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| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.0.0 latest | 2026-09-01 | 702a1a9 | 40,869 B | A | view · diff |
| v1.0.0 | 2026-08-31 | 253d1df | 40,812 B | A | view · diff |
| v1.0.0 | 2026-08-29 | 07b59e3 | 39,669 B | A | view · diff |
| v1.0.0 | 2026-08-28 | b5a951e | 38,383 B | A | view · diff |
| v1.0.0 | 2026-08-27 | 394db32 | 38,096 B | A | view |
garrytan/gstack · 131,615 stars · license MIT · pushed 2026-09-06 · branch main
GET https://markdownregistry.com/api/v1/artifacts/art_wfrjcd4rmdx5jh3c GET https://markdownregistry.com/api/v1/resolve?ref=garrytan/gstack/canary GET https://markdownregistry.com/api/v1/blob/09d535f71e0682597a9e35baff1136089740c267fee23d29e9852b24c3e05709