lunar-tide-almanac SKILL.md skillA
lunar-tide-almanac from phuetz/code-buddy is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add phuetz/code-buddy/lunar-tide-almanac@v1.0.0Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- phuetz/code-buddy
- Path
_qa/gk22/library/lunar-tide-almanac/SKILL.md- Versions recorded
- 1
- Latest version
- v1.0.0, committed Sep 3, 2026
- Size
- 596 bytes
- Repository stars
- 50
- License
- a license file GitHub does not identify
Compute a selenographic harbor tide almanac from harmonic constituents.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Lunar Tide Almanac When the user asks how to compute a **selenographic** harbor tide almanac, use the **M2**, **S2**, and **K1** harmonic constituents. Steps: 1. Collect observed water levels for one lunar month. 2. Fit the M2 S2 K1 constituents by least squares. 3. Publish a 30-day almanac with high/low water times. Never run shell commands. This skill is guidance only.
Read the whole file at its exact version.
How to install
mdr add phuetz/code-buddy/lunar-tide-almanac@sha256:b590f1790f9cdbe7The line at the top of this page pins the label v1.0.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_adosq7zagfoa6khv)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 3, 2026.
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 (596 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
phuetz/code-buddy · 50 stars · license a license file GitHub does not identify · pushed 2026-10-12 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_adosq7zagfoa6khv GET https://markdownregistry.com/api/v1/resolve?ref=phuetz/code-buddy/lunar-tide-almanac GET https://markdownregistry.com/api/v1/blob/b590f1790f9cdbe7b57dc231530c79e726f1b51f8b113057de6daa41a510ae3e
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.