skill-creator SKILL.md skillA

skill-creator from phyagentos/phyagentos-core is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add phyagentos/phyagentos-core/skill-creator@git:20260331.475dbda

Pins git:20260331.475dbda in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
phyagentos/phyagentos-core
Path
PhyAgentOS/skills/skill-creator/SKILL.md
Versions recorded
1
Latest version
git:20260331.475dbda, committed Mar 31, 2026
Size
18,880 bytes
Repository stars
2,996
License
MIT

Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.

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

# Skill Creator

This skill provides guidance for creating effective skills.

## About Skills

Skills are modular, self-contained packages that extend the agent's capabilities by providing
specialized knowledge, workflows, and tools. Think of them as "onboarding guides" for specific
domains or tasks—they transform the agent from a general-purpose agent into a specialized agent
equipped with procedural knowledge that no model can fully possess.

### What Skills Provide

1. Specialized workflows - Multi-step procedures for specific domains
2. Tool integrations - Instructions for working with specific file formats or APIs
3. Domain expertise - Company-specific knowledge, schemas, business logic
4. Bundled resources - Scripts, references, and assets for complex and repetitive tasks

## Core Principles

### Concise is Key

The context window is a public good. Skills share the context window with everything else the agent needs: system prompt, conversation history, other Skills' metadata, and the actual user request.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add phyagentos/phyagentos-core/skill-creator@sha256:bf9e7a2bbf425c54

The line at the top of this page pins the label git:20260331.475dbda, 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_yszvpbio4ut4xmcd.svg)](https://markdownregistry.com/a/art_yszvpbio4ut4xmcd)

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

Versions

The registry has recorded 1 version of this file, committed on Mar 31, 2026.

versioncommittedcommitsizeaudit
git:20260331.475dbda latest2026-03-31 475dbda 18,880 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 (18880 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

phyagentos/phyagentos-core · 2,996 stars · license MIT · pushed 2026-10-30 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_yszvpbio4ut4xmcd
GET https://markdownregistry.com/api/v1/resolve?ref=phyagentos/phyagentos-core/skill-creator
GET https://markdownregistry.com/api/v1/blob/bf9e7a2bbf425c543e263ed6d9382476160fc348e2dd6890f7eea7de672fa8e4

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 phyagentos/phyagentos-core

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