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@@ -1,7 +1,18 @@
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---
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description: Guided end-to-end plugin creation workflow with component design, implementation, and validation
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argument-hint: Optional plugin description
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-allowed-tools: ["Read", "Write", "Grep", "Glob", "Bash", "TodoWrite", "AskUserQuestion", "Skill", "Task"]
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+allowed-tools:
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+ [
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+ "Read",
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+ "Write",
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+ "Grep",
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+ "Glob",
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+ "Bash",
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+ "TodoWrite",
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+ "AskUserQuestion",
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+ "Skill",
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+ "Task",
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+ ]
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---
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# Plugin Creation Workflow
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@@ -26,6 +37,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**Goal**: Understand what plugin needs to be built and what problem it solves
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**Actions**:
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+
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1. Create todo list with all 7 phases
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2. If plugin purpose is clear from arguments:
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- Summarize understanding
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@@ -48,14 +60,17 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**MUST load plugin-structure skill** using Skill tool before this phase.
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**Actions**:
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+
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1. Load plugin-structure skill to understand component types
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2. Analyze plugin requirements and determine needed components:
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- - **Skills**: Does it need specialized knowledge? (hooks API, MCP patterns, etc.)
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- - **Commands**: User-initiated actions? (deploy, configure, analyze)
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+ - **Skills**: Specialized knowledge OR user-initiated actions (deploy, configure, analyze). Skills are the preferred format for both — see note below.
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- **Agents**: Autonomous tasks? (validation, generation, analysis)
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- **Hooks**: Event-driven automation? (validation, notifications)
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- **MCP**: External service integration? (databases, APIs)
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- **Settings**: User configuration? (.local.md files)
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+
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+ > **Note:** The `commands/` directory is a legacy format. For new plugins, user-invoked slash commands should be created as skills in `skills/<name>/SKILL.md`. Both are loaded identically — the only difference is file layout. `commands/` remains an acceptable legacy alternative.
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+
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3. For each component type needed, identify:
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- How many of each type
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- What each one does
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@@ -64,8 +79,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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```
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| Component Type | Count | Purpose |
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|----------------|-------|---------|
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- | Skills | 2 | Hook patterns, MCP usage |
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- | Commands | 3 | Deploy, configure, validate |
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+ | Skills | 5 | Hook patterns, MCP usage, deploy, configure, validate |
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| Agents | 1 | Autonomous validation |
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| Hooks | 0 | Not needed |
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| MCP | 1 | Database integration |
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@@ -83,9 +97,9 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**CRITICAL**: This is one of the most important phases. DO NOT SKIP.
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**Actions**:
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+
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1. For each component in the plan, identify underspecified aspects:
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- - **Skills**: What triggers them? What knowledge do they provide? How detailed?
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- - **Commands**: What arguments? What tools? Interactive or automated?
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+ - **Skills**: What triggers them? What knowledge do they provide? How detailed? For user-invoked skills: what arguments, what tools, interactive or automated?
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- **Agents**: When to trigger (proactive/reactive)? What tools? Output format?
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- **Hooks**: Which events? Prompt or command based? Validation criteria?
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- **MCP**: What server type? Authentication? Which tools?
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@@ -98,12 +112,14 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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4. If user says "whatever you think is best", provide specific recommendations and get explicit confirmation
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**Example questions for a skill**:
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+
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- What specific user queries should trigger this skill?
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- Should it include utility scripts? What functionality?
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- How detailed should the core SKILL.md be vs references/?
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- Any real-world examples to include?
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**Example questions for an agent**:
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+
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- Should this agent trigger proactively after certain actions, or only when explicitly requested?
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- What tools does it need (Read, Write, Bash, etc.)?
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- What should the output format be?
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@@ -118,6 +134,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**Goal**: Create plugin directory structure and manifest
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**Actions**:
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+
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1. Determine plugin name (kebab-case, descriptive)
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2. Choose plugin location:
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- Ask user: "Where should I create the plugin?"
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@@ -125,10 +142,10 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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3. Create directory structure using bash:
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```bash
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mkdir -p plugin-name/.claude-plugin
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- mkdir -p plugin-name/skills # if needed
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- mkdir -p plugin-name/commands # if needed
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- mkdir -p plugin-name/agents # if needed
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- mkdir -p plugin-name/hooks # if needed
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+ mkdir -p plugin-name/skills/<skill-name> # one dir per skill, each with a SKILL.md
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+ mkdir -p plugin-name/agents # if needed
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+ mkdir -p plugin-name/hooks # if needed
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+ # Note: plugin-name/commands/ is a legacy alternative to skills/ — prefer skills/
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```
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4. Create plugin.json manifest using Write tool:
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```json
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@@ -143,7 +160,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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}
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```
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5. Create README.md template
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-6. Create .gitignore if needed (for .claude/*.local.md, etc.)
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+6. Create .gitignore if needed (for .claude/\*.local.md, etc.)
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7. Initialize git repo if creating new directory
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**Output**: Plugin directory structure created and ready for components
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@@ -155,8 +172,9 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**Goal**: Create each component following best practices
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**LOAD RELEVANT SKILLS** before implementing each component type:
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+
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- Skills: Load skill-development skill
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-- Commands: Load command-development skill
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+- Legacy `commands/` format (only if user explicitly requests): Load command-development skill
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- Agents: Load agent-development skill
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- Hooks: Load hook-development skill
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- MCP: Load mcp-integration skill
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@@ -165,21 +183,26 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**Actions for each component**:
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### For Skills:
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+
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1. Load skill-development skill using Skill tool
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2. For each skill:
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- Ask user for concrete usage examples (or use from Phase 3)
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- Plan resources (scripts/, references/, examples/)
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- - Create skill directory structure
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- - Write SKILL.md with:
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+ - Create skill directory: `skills/<skill-name>/`
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+ - Write `SKILL.md` with:
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- Third-person description with specific trigger phrases
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- Lean body (1,500-2,000 words) in imperative form
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- References to supporting files
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+ - For user-invoked skills (slash commands): include `description`, `argument-hint`, and `allowed-tools` frontmatter; write instructions FOR Claude (not TO user)
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- Create reference files for detailed content
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- Create example files for working code
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- Create utility scripts if needed
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3. Use skill-reviewer agent to validate each skill
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-### For Commands:
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+### For legacy `commands/` format (only if user explicitly requests):
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+
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+> Prefer `skills/<name>/SKILL.md` for new plugins. Use `commands/` only when maintaining an existing plugin that already uses this layout.
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+
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1. Load command-development skill using Skill tool
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2. For each command:
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- Write command markdown with frontmatter
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@@ -190,6 +213,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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- Reference relevant skills if applicable
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### For Agents:
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+
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1. Load agent-development skill using Skill tool
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2. For each agent, use agent-creator agent:
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- Provide description of what agent should do
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@@ -199,6 +223,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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- Validate with validate-agent.sh script
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### For Hooks:
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+
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1. Load hook-development skill using Skill tool
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2. For each hook:
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- Create hooks/hooks.json with hook configuration
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@@ -208,6 +233,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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- Test with validate-hook-schema.sh and test-hook.sh utilities
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### For MCP:
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+
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1. Load mcp-integration skill using Skill tool
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2. Create .mcp.json configuration with:
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- Server type (stdio for local, SSE for hosted)
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@@ -218,6 +244,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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4. Provide setup instructions
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### For Settings:
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+
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1. Load plugin-settings skill using Skill tool
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2. Create settings template in README
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3. Create example .claude/plugin-name.local.md file (as documentation)
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@@ -235,6 +262,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**Goal**: Ensure plugin meets quality standards and works correctly
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**Actions**:
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+
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1. **Run plugin-validator agent**:
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- Use plugin-validator agent to comprehensively validate plugin
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- Check: manifest, structure, naming, components, security
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@@ -275,6 +303,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**Goal**: Test that plugin works correctly in Claude Code
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**Actions**:
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+
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1. **Installation instructions**:
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- Show user how to test locally:
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```bash
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@@ -284,7 +313,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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2. **Verification checklist** for user to perform:
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- [ ] Skills load when triggered (ask questions with trigger phrases)
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- - [ ] Commands appear in `/help` and execute correctly
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+ - [ ] User-invoked skills appear in `/help` and execute correctly
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- [ ] Agents trigger on appropriate scenarios
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- [ ] Hooks activate on events (if applicable)
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- [ ] MCP servers connect (if applicable)
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@@ -292,7 +321,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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3. **Testing recommendations**:
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- For skills: Ask questions using trigger phrases from descriptions
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- - For commands: Run `/plugin-name:command-name` with various arguments
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+ - For user-invoked skills: Run `/plugin-name:skill-name` with various arguments
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- For agents: Create scenarios matching agent examples
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- For hooks: Use `claude --debug` to see hook execution
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- For MCP: Use `/mcp` to verify servers and tools
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@@ -310,6 +339,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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**Goal**: Ensure plugin is well-documented and ready for distribution
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**Actions**:
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+
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1. **Verify README completeness**:
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- Check README has: overview, features, installation, prerequisites, usage
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- For MCP plugins: Document required environment variables
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@@ -325,7 +355,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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- Mark all todos complete
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- List what was created:
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- Plugin name and purpose
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- - Components created (X skills, Y commands, Z agents, etc.)
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+ - Components created (X skills, Y agents, etc.)
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- Key files and their purposes
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- Total file count and structure
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- Next steps:
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@@ -354,7 +384,7 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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- **Apply best practices**:
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- Third-person descriptions for skills
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- Imperative form in skill bodies
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- - Commands written FOR Claude
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+ - Skill instructions written FOR Claude (not TO user)
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- Strong trigger phrases
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- ${CLAUDE_PLUGIN_ROOT} for portability
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- Progressive disclosure
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@@ -371,12 +401,13 @@ Guide the user through creating a complete, high-quality Claude Code plugin from
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### Skills to Load by Phase
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- **Phase 2**: plugin-structure
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-- **Phase 5**: skill-development, command-development, agent-development, hook-development, mcp-integration, plugin-settings (as needed)
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+- **Phase 5**: skill-development, agent-development, hook-development, mcp-integration, plugin-settings (as needed); command-development only for legacy `commands/` layout
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- **Phase 6**: (agents will use skills automatically)
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### Quality Standards
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Every component must meet these standards:
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+
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- ✅ Follows plugin-dev's proven patterns
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- ✅ Uses correct naming conventions
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- ✅ Has strong trigger conditions (skills/agents)
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@@ -390,19 +421,22 @@ Every component must meet these standards:
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## Example Workflow
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### User Request
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+
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"Create a plugin for managing database migrations"
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### Phase 1: Discovery
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+
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- Understand: Migration management, database schema versioning
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- Confirm: User wants to create, run, rollback migrations
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### Phase 2: Component Planning
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-- Skills: 1 (migration best practices)
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-- Commands: 3 (create-migration, run-migrations, rollback)
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+
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+- Skills: 4 (migration best practices, create-migration, run-migrations, rollback)
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- Agents: 1 (migration-validator)
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- MCP: 1 (database connection)
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### Phase 3: Clarifying Questions
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+
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- Which databases? (PostgreSQL, MySQL, etc.)
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- Migration file format? (SQL, code-based?)
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- Should agent validate before applying?
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