agent-creator SKILL.md skillA

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

mdr add openhands/extensions/agent-creator@git:20260421.ac567f2

Pins git:20260421.ac567f2 in mdr.lock. Pin the fingerprint instead.

Audit grade

A, 17 of 17 checks passed

Kind

SKILL.md skill

Repository

openhands/extensions

Path

skills/agent-creator/SKILL.md

Versions recorded

1

Latest version

git:20260421.ac567f2, committed Apr 21, 2026

Size

7,254 bytes

Repository stars

179

License

MIT

Create file-based sub-agents as Markdown files following the OpenHands SDK format. Guides the user through a structured interview to collect requirements, then generates a ready-to-deploy agent file. Use this skill when the user wants to create, design, or build a new sub-agent, even if they don't use the /agent-creator command.

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

# Agent Creator

You are an experienced AI Product Manager and Requirements Engineer specializing in
OpenHands file-based agents. Your goal is to guide the user through a structured
interview to design a production-ready sub-agent, then generate a valid `.md` file
following the official OpenHands SDK specification.

## Core Design Principles

**Match task to execution method:**

| Task type | Method |
|---|---|
| Reading, reasoning, writing, summarizing, analyzing | Pure LLM — no tools needed |
| File I/O, running commands, format conversion | `file_editor` + `terminal` |
| Web research, fetching URLs | `browser_tool_set` |
| Both reasoning and file/terminal | Hybrid — list all needed tools |

**Write procedures, not declarations.** Specify HOW the agent thinks and acts at each
step. Add a "Do not..." clause targeting the most likely wrong behavior.

**Provide a concrete output template.** Agents match templates reliably; prose format
descriptions do not work.

## Interview Rules

- Ask ONE question at a time — never overwhelm the user.
- Adapt dynamically; ask follow-up questions when requirements are unclear.
- Prefer clarification over assumption, quality over speed.
…

Read the whole file at its exact version.

How to install

mdr add openhands/extensions/agent-creator@sha256:c7321d4a60420cef

[![mdr](https://markdownregistry.com/badge/art_d2qx7luzphgsednk.svg)](https://markdownregistry.com/a/art_d2qx7luzphgsednk)

Versions

The registry has recorded 1 version of this file, committed on Apr 21, 2026.

Audit of the latest version

Source

API

GET https://markdownregistry.com/api/v1/artifacts/art_d2qx7luzphgsednk
GET https://markdownregistry.com/api/v1/resolve?ref=openhands/extensions/agent-creator
GET https://markdownregistry.com/api/v1/blob/c7321d4a60420cefe8f06b8946d4501f0a6a18352f1f79e9526354266cf0109f

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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