credential-usage skillA
credential-usage is agent-read markdown (skill) from tashian/tsm: Use whenever a task needs an API key, token, password, database URL, certificate, or any other credential. That includes configuring an MCP server, calling an authenticated API with curl, running a CLI like gh/aws/openai, running psql or docker compose against a real service, filling in a .env, or when the user pastes a secret into chat or asks where to keep one. Consult it even when the user never says "secret" or "tsm". macOS with the tsm vault installed..
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 tashian/tsm/credential-usage@git:20260917.f6485e4mdr add tashian/tsm/credential-usage@sha256:1271a6fb634e96edPin 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_k33arkgvevmksqwe)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260917.f6485e4 latest | 2026-09-17 | f6485e4 | 8,506 B | A | view · diff |
| git:20260917.9f1f407 | 2026-09-17 | 9f1f407 | 7,950 B | A | view · diff |
| git:20260531.ee6b5d7 | 2026-05-31 | ee6b5d7 | 6,719 B | A | view · diff |
| git:20260426.7468dcd | 2026-04-26 | 7468dcd | 5,326 B | A | view · diff |
| git:20260426.e5e73f0 | 2026-04-26 | e5e73f0 | 5,338 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 (8506 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
tashian/tsm · 9 stars · license MIT · pushed 2026-09-17 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_k33arkgvevmksqwe GET https://markdownregistry.com/api/v1/resolve?ref=tashian/tsm/credential-usage GET https://markdownregistry.com/api/v1/blob/1271a6fb634e96edac09dde0bf5e89f7d75a66f0616c1780648822198a367e11