Agent skill · Code Review & Quality

agent-creator

Create production-grade agent .md files aligned with the Anthropic 2026 spec (16-field schema). Also validates existing agents against the marketplace compliance rules. Use when building custom subagents, reviewing agent quality, or creating parallel agent architectures for orchestrator skills. Trigger with "/agent-creator", "create an agent", "build a subagent", or "validate my agent". Make sure to use this skill whenever creating agents/*.md files for plugins or standalone use. '

jeremylongshoregithub.com/jeremylongshoreGitHub ↗
claude-codecan modify filesMIT
Install
npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill agent-creator --agent claude-code

Same command for any agent — swap --agent for codex, cursor, copilot.

Facts
Files in the skill folder: 2
SKILL.md size: 14 KB
Bundled scripts: none
Version: 5.20.0
Declared author: Jeremy Longshore <jeremy@intentsolutions.io>
Allowed tools: ReadWriteEditGlobGrepBash(python:*)AskUserQuestion
Requires: Designed for Claude Code, also compatible with Codex and OpenClaw
Path: skills/.curated/agent-creator/SKILL.md
Open the folder on GitHub →
Where it comes from
Stars: 2,596
Language: Python
Read our review of the source →

Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.

From the SKILL.md

# Agent Creator Creates spec-compliant agent .md files following the Anthropic 2026 16-field schema. Supports both creation of new agents and validation of existing ones. ## Overview Agent Creator fills the gap between ad-hoc agent files and production-grade agents that pass marketplace validation. It enforces the Anthropic agent schema (14 valid fields), prevents common mistakes (using `allowed-t

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About this skill
What does the agent-creator skill do?

Create production-grade agent .md files aligned with the Anthropic 2026 spec (16-field schema). Also validates existing agents against the marketplace compliance rules. Use when building custom subagents, reviewing agent quality, or creating parallel agent architectures for orchestrator skills. Trigger with "/agent-creator", "create an agent", "build a subagent", or "validate my agent". Make sure to use this skill whenever creating agents/*.md files for plugins or standalone use. '

How do I install it?

Run `npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill agent-creator --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.

Where does this skill come from?

From jeremylongshore/claude-code-plugins-plus-skills, a repository with 2,596 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.

Is a popular skill a good skill?

Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.

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