investigate skillA
investigate is agent-read markdown (skill) from yamanidev/claude-code-configuration: Read-only workflow for investigating how a system behaves — understanding how something works, confirming whether it does what it claims, and diagnosing bugs, errors, or unexpected behavior. Forms and tests hypotheses against real evidence (code, logs, runtime state, reproductions), traces to root cause, and reports a diagnosis or mental model with an explicit confidence level. Produces understanding, never a code change. NOT for making the fix once the cause is known (use /ship), NOT for judgin.
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 yamanidev/claude-code-configuration/investigate@git:20260913.3d00546mdr add yamanidev/claude-code-configuration/investigate@sha256:d185f42b1f25fa6fPin 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_bdc5wqzuj4gb3nwx)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260913.3d00546 latest | 2026-09-13 | 3d00546 | 6,415 B | A | view · diff |
| git:20260718.188ca36 | 2026-07-18 | 188ca36 | 6,283 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 (6415 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
yamanidev/claude-code-configuration · 9 stars · license MIT · pushed 2026-09-13 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_bdc5wqzuj4gb3nwx GET https://markdownregistry.com/api/v1/resolve?ref=yamanidev/claude-code-configuration/investigate GET https://markdownregistry.com/api/v1/blob/d185f42b1f25fa6fc227b81abd9c43a53563cbfc4be1a7a78c82020701254193