skill-creator

v5.20.0

Create and validate production-grade agent skills with 100-point marketplace grading

Claude Code2 Skills

By Jeremy LongshoreLicense: MIT2.7k GitHub starsUpdated 13 hours ago

Directory evidence

Runtimes: Claude Code
Parsed components: 2 skill or MCP entries
Source updated: Aug 29, 2026
Manifest status: Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install plugin

Installs for the current user

claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install skill-creator-3@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually

$ git clone https://github.com/jeremylongshore/tons-of-skills-marketplace

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/skill-enhancers/skill-creator/.

Plugin files

plugins/skill-enhancers/skill-creator/

├── .claude-plugin/plugin.json
├── skills/agent-creator/SKILL.md
└── skills/skill-creator/SKILL.md

Included Skills2

agent-creatorskills/agent-creator/SKILL.md

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.

skill-creatorskills/skill-creator/SKILL.md

Create production-grade agent skills aligned with the 2026 AgentSkills.io spec and Anthropic best practices (2026). Also validates existing skills against the Intent Solutions 100-point rubric. Use when building, testing, validating, or optimizing Claude Code skills. Trigger with "/skill-creator", "create a skill", "validate my skill", or "check skill quality". Make sure to use this skill whenever creating a new skill, slash command, or agent capability.

Plugin manifests1

plugins/skill-enhancers/skill-creator/.claude-plugin/plugin.json

{
  "name": "skill-creator",
  "version": "5.20.0",
  "description": "Create and validate production-grade agent skills with 100-point marketplace grading",
  "author": {
    "name": "Jeremy Longshore",
    "email": "[email protected]"
  },
  "repository": "https://github.com/jeremylongshore/claude-code-plugins",
  "license": "MIT",
  "keywords": [
    "skill-creation",
    "validation",
    "meta-tooling",
    "marketplace"
  ]
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[skill-creator on Agent Plugins Marketplace](https://pluginsmp.com/plugins/skill-creator-3)