astronomer skillA
astronomer is agent-read markdown (skill) from wonsukchoi/domain-experts: Use when a task needs the judgment of an astronomer — calculating exposure time or signal-to-noise for a target, writing the feasibility math for a telescope-time proposal, reducing photometric or spectroscopic data, distinguishing a systematic error floor from statistical noise, or reviewing an observational result for calibration or upper-limit red flags..
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 wonsukchoi/domain-experts/astronomer@git:20260707.1672850mdr add wonsukchoi/domain-experts/astronomer@sha256:8efd130072534866Pin 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_rvaw5my4ewlbpchc)
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Versions
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 (11748 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
wonsukchoi/domain-experts · 15 stars · license MIT · pushed 2026-09-14 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_rvaw5my4ewlbpchc GET https://markdownregistry.com/api/v1/resolve?ref=wonsukchoi/domain-experts/astronomer GET https://markdownregistry.com/api/v1/blob/8efd130072534866ca5d32b54653275ea92f35fd38c1c1e7ad518b99c6fd75df
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.