writing-comments SKILL.md skillA

writing-comments from modem-dev/ossrules is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add modem-dev/ossrules/writing-comments@git:20260914.a750666

Pins git:20260914.a750666 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
modem-dev/ossrules
Path
public/files/astro/.agents/skills/writing-comments/SKILL.md
Versions recorded
1
Latest version
git:20260914.a750666, committed Sep 14, 2026
Size
8,981 bytes
Repository stars
65
License
MIT

How to write JSDoc (/** */) and inline (//) comments in the Astro codebase, for contributors reading the source — not end users. Use whenever writing or editing comments in .ts/.js source, including comments added incidentally while fixing bugs or building features. Does not cover the @docs-generated config/error reference.

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

# Writing Comments

## Purpose

Comments in this repository are read by contributors, months or years after
they were written, with none of the context you have right now. This skill
defines who that reader is, what each kind of comment is for, and which patterns
are banned.

## Scope Boundary

This skill governs **contributor-facing** comments in the TypeScript/JavaScript
source. It does **not** apply to end-user documentation:

- JSDoc blocks tagged `@docs` in
  [`packages/astro/src/types/public/config.ts`](../../../packages/astro/src/types/public/config.ts)
  and
  [`packages/astro/src/core/errors/errors-data.ts`](../../../packages/astro/src/core/errors/errors-data.ts)
  are scraped by an external `docgen` tool and published to the Astro docs
  website. Follow
  [`packages/astro/src/core/errors/README.md`](../../../packages/astro/src/core/errors/README.md)
  for those, and get docs-team review — CI regenerates the reference when
  `types/public/**` changes.
- Other JSDoc across `types/public/**` is surfaced to users through editor
  IntelliSense. Write it for Astro **users** building a site, not for
  contributors reading the source.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add modem-dev/ossrules/writing-comments@sha256:b119966aa155d020

The line at the top of this page pins the label git:20260914.a750666, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_iel2jkado4outcal.svg)](https://markdownregistry.com/a/art_iel2jkado4outcal)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Sep 14, 2026.

versioncommittedcommitsizeaudit
git:20260914.a750666 latest2026-09-14 a750666 8,981 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (8981 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

GitHub

modem-dev/ossrules · 65 stars · license MIT · pushed 2026-09-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_iel2jkado4outcal
GET https://markdownregistry.com/api/v1/resolve?ref=modem-dev/ossrules/writing-comments
GET https://markdownregistry.com/api/v1/blob/b119966aa155d020ec6fbe3b02b3e2e58f5e29ad5aed3ae83b3a0318b9165228

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.

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