invalid-yaml SKILL.md skillB

This file is byte-identical to the first copy the registry indexed, one of 5 indexed copies. Same content hash, so the same checks give both the same grade.

invalid-yaml from maomaochong-ai/open-astravia is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add maomaochong-ai/open-astravia/invalid-yaml@git:20260226.eaf7e93

Pins git:20260226.eaf7e93 in mdr.lock. Pin the fingerprint instead.

Audit grade
B, 16 of 17 checks passed
Kind
SKILL.md skill
Repository
maomaochong-ai/open-astravia
Path
packages/coding-agent/test/fixtures/skills/invalid-yaml/SKILL.md
Versions recorded
1
Latest version
git:20260226.eaf7e93, committed Feb 26, 2026
Size
129 bytes
Repository stars
39
License
Apache-2.0

[unclosed bracket.

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

# Invalid YAML Skill

This skill has invalid YAML in the frontmatter.

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add maomaochong-ai/open-astravia/invalid-yaml@sha256:ef6bba8e89e5a697

The line at the top of this page pins the label git:20260226.eaf7e93, 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_kgy32ineqyzghzpo.svg)](https://markdownregistry.com/a/art_kgy32ineqyzghzpo)

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

Versions

The registry has recorded 1 version of this file, committed on Feb 26, 2026.

versioncommittedcommitsizeaudit
git:20260226.eaf7e93 latest2026-02-26 eaf7e93 129 BB view

Audit of the latest version

B  16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • fail: Size between 200 bytes and 200 KB (129 bytes)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • 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

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

maomaochong-ai/open-astravia · 39 stars · license Apache-2.0 · pushed 2026-11-01 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_kgy32ineqyzghzpo
GET https://markdownregistry.com/api/v1/resolve?ref=maomaochong-ai/open-astravia/invalid-yaml
GET https://markdownregistry.com/api/v1/blob/ef6bba8e89e5a697f5f87e5b0de2785b170e02d1f344c3d0c1e40114ffde2a11

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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Every file in maomaochong-ai/open-astravia

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