MCPInstall

validate-plugin

by ruvnetAI & Agents

Validate a Claude Code plugin structure, frontmatter, and MCP tool references

Installs
741
Last 24h
—
Trending rank
—
Security
Not audited

Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/ruvnet/ruflo --skill validate-plugin
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads validate-plugin automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Validate Plugin

Validate that a plugin follows the correct Claude Code plugin format.

When to use

After creating or modifying a plugin, run validation to catch structural issues before publishing.

Checks performed

  1. Directory structure — .claude-plugin/plugin.json exists at plugin root
  2. plugin.json schema — required fields present (name, description, version)
  3. Skills auto-discovery — every skills/<name>/SKILL.md is a valid skill (Claude Code auto-discovers from directory; plugin.json MUST NOT list a skills array)
  4. Commands auto-discovery — every commands/<name>.md is a valid command (auto-discovered; no commands array in plugin.json)
  5. Agents auto-discovery — every agents/<name>.md is a valid agent (auto-discovered; no agents array in plugin.json)
  6. No legacy arrays in plugin.json — presence of skills, commands, or agents arrays in plugin.json is a validation error (they cause Claude Code to reject the plugin)
  7. SKILL.md frontmatter — each skill has name, description, and allowed-tools (no wildcards)
  8. Agent frontmatter — each agent has name, description, and model
  9. No files in wrong locations — skills/commands/agents not inside .claude-plugin/
  10. MCP tool references — tools in allowed-tools are valid mcp__plugin_ruflo-core_ruflo__* identifiers

Steps

  1. Read the plugin's plugin.json and assert no skills / commands / agents arrays present
  2. Glob skills/*/SKILL.md, commands/*.md, agents/*.md and validate each frontmatter
  3. For each SKILL.md, verify frontmatter has required fields and allowed-tools has no wildcards
  4. For each agent .md, verify frontmatter has required fields
  5. Report pass/fail for each check with actionable fix suggestions

FAQ

What does the validate-plugin skill do?

Validate a Claude Code plugin structure, frontmatter, and MCP tool references

How do I install validate-plugin?

Run npx skills add https://github.com/ruvnet/ruflo --skill validate-plugin in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/validate-plugin/ (personal) or .claude/skills/validate-plugin/ (project).

Which AI agents can use validate-plugin?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is validate-plugin safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains validate-plugin?

It is published by ruvnet in ruvnet/ruflo. It has 741 recorded installs.

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