Plugin-Creator Plugin - AI-Facing Documentation

Plugin-Creator Plugin - AI-Facing Documentation

Complete plugin development toolkit for creating, refactoring, and validating Claude Code plugins, agents, skills, and commands.

Plugin Identity

Name: plugin-creator Version: 2.3.0 Purpose: Provides end-to-end capabilities for plugin development lifecycle - creation, validation, refactoring, and quality assurance.

Core Capabilities:

• ✅ Create new plugins (via script)
• ✅ Create new agents (via skill)
• ❌ Create new skills (GAP - no dedicated tool)
• ❌ Create new commands (GAP - no dedicated tool)
• ✅ Refactor plugins and skills
• ✅ Validate frontmatter, plugins, and structure
• ✅ Quality analysis and improvement

Skill Name Field (Resolved Bug History)

Bug Discovered: 2026-01-29 (Claude Code v2.1.23) Bug Resolved: 2026-02-20 Scope: Was limited to plugin skills only; .claude/skills/ was never affected

Current Behavior (Bug Resolved)

Plugin skills must include the name: field in their frontmatter. The name: field value must be lowercase letters, digits, and hyphens only (pattern: ^[a-z][a-z0-9-]*$), matching the directory name.

---
name: skill-creator
description: Guide for creating effective skills
user-invocable: true
---

Bug History

A bug in Claude Code v2.1.23 caused plugin skills with an explicit name: field to not appear as slash commands. A workaround was applied: validators automatically removed the name: field from all plugin skill frontmatter. This workaround has been reversed now that the bug is resolved.

Validator Auto-Fix

plugin_validator.py and validate_frontmatter.py now automatically add the name: field to SKILL.md files where it is absent, deriving the value from the parent directory name:

Added 'name' field 'skill-creator' derived from directory name

If the directory name does not match ^[a-z][a-z0-9-]*$, no name: field is added automatically; the field must be set manually.

Official Documentation

Per the Agent Skills open standard, name: is required:

name (required): Max 64 characters. Lowercase letters, numbers, and hyphens only. Must not start or end with a hyphen. Must match the parent directory name.

Claude Code also accepts skills without name:, falling back to the directory name — but the agentskills.io spec makes name: mandatory for portability across compatible agents.

Recommendation

For all skills (plugin and personal): Include the name: field in SKILL.md frontmatter. The value must match the directory name and satisfy ^[a-z][a-z0-9-]*$.

When to Use This Plugin

The model MUST use this plugin when:

• User asks to "create a new plugin"
• User asks to "create a new agent"
• User asks to "validate frontmatter" in SKILL.md or agent files
• User asks to "refactor a plugin" or "split a skill"
• User asks to "check skill size" or "check skill complexity"
• User needs to validate plugin.json or plugin structure
• User wants to fix tool formatting issues in frontmatter

Component Inventory

Skills (13)

Agents (6)

Commands (0)

Scripts (5)

Consolidated Agents (v2.6.0)

As of version 2.6.0, the following agents were consolidated from external locations into plugin-creator to make the plugin self-contained:

subagent-refactorer

Source: Previously at ~/.claude/agents/subagent-refactorer.md Purpose: Refactor Claude Code subagents using Anthropic prompt engineering best practices Usage: AGENT_OPTIMIZE task types in refactoring workflows Key Features:

• Researches current Anthropic documentation before refactoring
• Applies strategic XML tagging and Constitutional AI patterns
• Optimizes for Sonnet 4.5 vs Opus 4.1 model selection
• Generates analysis reports with citations and validation checklists

contextual-ai-documentation-optimizer

Source: Previously at ./.claude/agents/contextual-ai-documentation-optimizer.md Purpose: Optimize prompts, SKILL.md, and CLAUDE.md files for Claude comprehension Usage: DOC_IMPROVE and ORPHAN_RESOLVE task types Key Features:

• Enables prompt-optimization-claude-45 skill (external dependency)
• Applies positive framing over negative constraints
• Uses concrete examples over abstract descriptions
• Front-loads critical instructions

Note: Requires prompt-optimization-claude-45 skill from separate plugin.

plugin-assessor

Source: Previously at ./.claude/agents/plugin-assessor.md Purpose: Analyze plugins for structure, frontmatter, schema compliance, and quality Usage: Validation tasks and pre-marketplace review Key Features:

• Comprehensive reference file audit (orphan detection)
• Cross-reference validation and link graph analysis
• Frontmatter schema validation against official specs
• Generates detailed assessment reports with scoring

Skills loaded: claude-skills-overview-2026, claude-plugins-reference-2026, claude-hooks-reference-2026 (all included in plugin-creator)

Verified Workflows

Workflow 1: Create New Plugin

Entry Point: Run script directly Verified: ✅ Yes

# Interactive plugin scaffolding
uv run plugins/plugin-creator/scripts/create_plugin.py

What It Does:

1. Prompts for plugin name, description, author
2. Creates .claude-plugin/ directory
3. Creates plugin.json with validated schema
4. Optionally creates skills/, agents/ directories
5. Self-validates before reporting success

Validation: Runs claude plugin validate internally

Workflow 2: Create New Agent

Entry Point: /agent-creator skill Verified: ✅ Yes

Trigger Phrases:

• "Create a new agent"
• "Add an agent to {plugin}"
• "I need an agent for {task}"

Agent Creation Process:

1. Discovery Phase:

   • Reads existing agents in .claude/agents/
   • Identifies similar agents as templates
   • Reviews archetype templates

2. Requirements Gathering:

   • Uses AskUserQuestion for: purpose, triggers, tools, model, skills

3. Template Selection:

   • Presents options: existing project agents, role archetypes, from scratch
   • User selects via AskUserQuestion

4. Agent File Creation:

   • Creates frontmatter with validated fields
   • Writes agent body with workflow, quality standards

5. Scope Determination (uses AskUserQuestion):

   • Project-level: Saves to .claude/agents/{name}.md
   • User-level: Saves to ~/.claude/agents/{name}.md
   • Plugin: Saves to {plugin}/agents/{name}.md + updates plugin.json

6. Validation:

   • Runs plugin_validator.py on agent file
   • If plugin agent: runs claude plugin validate {plugin-path}

Outputs:

• Agent file at appropriate location
• Updated plugin.json (if plugin agent)
• Validation report

Workflow 3: Create New Skill

Entry Point: ❌ NO DEDICATED TOOL Verified: ❌ GAP IDENTIFIED

Current State:

• No skill-creator skill exists
• No create_skill.py script exists
• Users must manually create SKILL.md files

Gap Analysis:

• Creating skills requires understanding frontmatter schema
• Need template selection (similar to agent-creator)
• Need scope determination (project/user/plugin)
• Need plugin.json update if plugin skill
• Need validation after creation

Recommendation: Create /skill-creator skill following agent-creator pattern

Workflow 4: Create New Command

Entry Point: ❌ NO DEDICATED TOOL Verified: ❌ GAP IDENTIFIED

Current State:

• No command-creator skill exists
• No create_command.py script exists
• Commands in plugins are deprecated per official docs
• Users create commands in ~/.claude/commands/ manually

Gap Analysis:

• Creating user-level commands requires frontmatter knowledge
• No template or validation guidance
• Commands in plugins deprecated - should document this

Recommendation: Create /command-creator skill for user-level commands only

Workflow 5: Validate Plugin Components

Entry Point: plugin_validator.py script Verified: ✅ Yes

Supported File Types:

• Complete plugins (validates all components)
• Individual SKILL.md files
• Individual agent .md files
• Individual command .md files

Usage:

# Validate single file
uv run plugins/plugin-creator/scripts/plugin_validator.py {path}

# Validate entire plugin directory
uv run plugins/plugin-creator/scripts/plugin_validator.py plugins/my-plugin

# Auto-fix issues
uv run plugins/plugin-creator/scripts/plugin_validator.py --fix {path}

# Validate only (no fixes)
uv run plugins/plugin-creator/scripts/plugin_validator.py --check {path}

# Verbose output with details
uv run plugins/plugin-creator/scripts/plugin_validator.py --verbose {path}

# CI mode (no color)
uv run plugins/plugin-creator/scripts/plugin_validator.py --no-color {path}

What It Validates:

• Frontmatter schema:
  • YAML syntax validity
  • No forbidden multiline indicators (>-, |-)
  • Required fields present
  • Field types match schema
  • Tools/skills are comma-separated strings (not YAML arrays)
• Plugin structure:
  • plugin.json schema compliance
  • Component path references
  • Version consistency
• Skill complexity:
  • Token-based complexity measurement (not line count)
  • Thresholds defined as TOKEN_WARNING_THRESHOLD and TOKEN_ERROR_THRESHOLD in plugin_validator.py
• Internal links:
  • Markdown link validity
  • Progressive disclosure structure
• Component completeness:
  • Required files present
  • Cross-reference validation

What It Auto-Fixes:

• YAML arrays → comma-separated strings
• Multiline descriptions → single-line strings
• Unquoted colons in descriptions — adds quotes to prevent YAML parsing failures
• Missing name: fields in plugin skills (auto-adds from directory name; required per agentskills.io spec)

Schema Coverage:

Error Codes: See ERROR_CODES.md for complete error code reference (23 codes across 9 validators)

SOURCE: plugin_validator.py script with comprehensive validation and token-based complexity measurement

Workflow 7: Validate Complete Plugin

Entry Point: claude plugin validate command Verified: ✅ Yes (built-in Claude Code command)

Usage:

claude plugin validate {plugin-directory}

What It Validates:

• plugin.json exists in .claude-plugin/
• JSON syntax valid
• Required field name present
• name is kebab-case
• All paths start with ./
• agents field is array of individual file paths (not directory string)
• Referenced files exist

Common Errors:

SOURCE: Verified via claude-plugins-reference-2026 skill

Workflow 8: Refactor Plugin

Entry Point: /refactor-plugin skill Verified: ✅ Yes

Trigger Phrases:

• "Refactor {plugin-name} plugin"
• "Analyze plugin for refactoring"
• "Create refactoring plan for {plugin}"

Process Flow:

1. Assessment (delegates to @"plugin-creator:refactor-planner (agent)"):

   • Analyzes plugin structure
   • Identifies oversized skills (exceeding validator token threshold SK006/SK007)
   • Checks agent descriptions for weak triggers
   • Detects orphaned files
   • Creates assessment report

2. Design:

   • Creates refactor-design-{slug}.md with strategy

3. Task Planning:

   • Creates tasks-refactor-{slug}.md with executable tasks
   • Maps dependencies
   • Identifies parallelization opportunities

4. Execution (delegates to @"plugin-creator:refactor-executor (agent)"):

   • Executes tasks in dependency order
   • Runs parallel where possible
   • Tracks completion status

5. Validation (delegates to @"plugin-creator:refactor-validator (agent)"):

   • Verifies refactoring achieved goals
   • Checks for regressions
   • Creates follow-up tasks if issues found

Task Types Handled:

When DOC_UPDATER_ADD is identified:

• Skill wraps external documentation (API specs, CLI refs, frameworks)
• Documentation source updates regularly (weekly, monthly)
• Skill would benefit from automated sync vs. manual updates

OUTPUT: Task files in .claude/plan/ directory

Workflow 9: Split Oversized Skill

Entry Point: /refactor-skill skill Verified: ✅ Yes

Model: opus (requires complex reasoning)

Trigger Phrases:

• "Split the {skill-name} skill"
• "Refactor oversized skill"
• "This skill exceeds the token limit"

Process:

1. Reads existing skill SKILL.md
2. Identifies logical boundaries and domains
3. Designs split plan
4. Generates new SKILL.md files for each extracted skill
5. Validates 100% content migration (no loss)
6. Creates cross-references between new skills
7. Updates original skill as facade/meta-skill

Quality Requirements:

• No content loss
• Complete fidelity
• Backwards compatibility maintained
• All cross-references valid

Workflow 12: Add Documentation Updater to Skill

Entry Point: /add-doc-updater skill Verified: ✅ Yes

Trigger Phrases:

• "Add doc sync to {skill}"
• "Automate documentation updates for {skill}"
• "This skill needs to wrap {external docs}"

Process Flow:

1. Phase 0 - Variable Collection:

   • Validate target skill path
   • Infer defaults (skill name, cooldown 7 days)
   • Collect 6 template variables via AskUserQuestion
   • Confirm before proceeding

2. Phase 1 - Implementation:

   • Load /python3-development orchestration
   • Substitute template variables
   • Delegate to @python-cli-architect agent
   • Creates scripts/update-{LOCAL_DOC_DIR}-docs.py

3. Phase 2 - Code Review:

   • Delegate to @python-code-reviewer agent
   • Validate: ReDoS-safe regex, atomic operations, link transformation
   • Loop back to Phase 1 on failure

4. Phase 3 - Quality Gates:

   • Sequential: ruff format → ruff check → mypy → pyright → prek
   • All must pass to proceed
   • Loop back to Phase 1 on failure

5. Phase 4 - Testing & Validation:

   • 7-point checklist: execution, file existence, Hugo shortcode removal, link sampling, SKILL.md integration, cooldown enforcement, force flag
   • Loop back to Phase 1 on failure

6. Phase 5 - Integration:

   • Update SKILL.md Execution Protocol section
   • Add .gitignore entries for lock files and downloaded docs
   • Integration test via general-purpose agent
   • Loop back to Phase 1 if agent cannot discover documentation

Success Criteria:

• Script passes all quality gates
• All 7 validation tests pass
• SKILL.md includes execution protocol
• Integration test demonstrates autonomous documentation access
• Cooldown prevents excessive upstream requests
• Force flag allows manual override

OUTPUT: Documentation updater ready for use

SOURCE: Verified by reading add-doc-updater/SKILL.md lines 1-354

Workflow 11: Fix Tool Formatting Issues

Entry Point: fix_tool_formats.py script Verified: ✅ Yes

Purpose: Fix invalid tool format patterns in frontmatter across entire codebase

Usage:

# Scans ~/.claude and ~/repos recursively
uv run plugins/plugin-creator/scripts/fix_tool_formats.py

What It Fixes:

1. YAML list → comma-separated string:

   # Before
   tools:
     - Read
     - Grep
   
   # After
   tools: Read, Grep
   

2. JSON array → comma-separated string:

   # Before
   tools: ["Read", "Grep"]
   
   # After
   tools: Read, Grep
   

Scan Locations:

• ~/.claude/agents/**/*.md
• ~/.claude/commands/**/*.md
• ~/.claude/skills/**/SKILL.md
• ~/repos/**/.claude/** (all markdown in .claude directories)

Why This Matters: Invalid formats become "evidence" in future Grep searches, creating feedback loop where AI learns incorrect patterns from its own mistakes.

SOURCE: Verified by reading scripts/README.md and fix_tool_formats.py

Identified Gaps

Gap 1: No Skill Creator

Current State: Can create agents, cannot create skills Impact: Users must manually create SKILL.md files without guidance Recommendation: Create /skill-creator skill similar to /agent-creator

Required Capabilities:

• Template selection (general-purpose, domain-specific, etc.)
• Frontmatter generation with validation
• Scope determination (project/user/plugin)
• Plugin.json update if plugin skill
• Post-creation validation

Note: Skills Are Commands

Observation from official docs (line 9 of claude-skills-overview-2026):

"Skills and slash commands are now unified - they are the same system. A file at .claude/commands/review.md and a skill at .claude/skills/review/SKILL.md both create /review and work identically. Skills are the recommended approach."

Conclusion: No separate command-creator needed. Creating a skill with user-invocable: true creates a slash command.

Gap 2: Incomplete Validation Coverage

Validated:

• ✅ Frontmatter schema (via plugin_validator.py)
• ✅ Plugin.json syntax (via claude plugin validate)
• ✅ Skill complexity (token-based, via plugin_validator.py)

Not Validated:

• ❌ Agent frontmatter vs skill frontmatter differences (plugin_validator.py validates both but does not enforce agent-specific constraints)
• ❌ Command frontmatter (no dedicated validator beyond general plugin_validator.py)
• ❌ Cross-references between components (e.g., agent references non-existent skill)

Recommendation: Extend validation to cover agent-specific checks and cross-reference validation

Usage Patterns for the Model

Pattern 1: User Wants to Create Something

If user says: "Create a new {plugin|agent|skill|command}"

1. Identify what they want to create
2. Check if tool exists:
   - Plugin → uv run scripts/create_plugin.py
   - Agent → /agent-creator
   - Skill → ❌ GAP - no tool (manual creation)
   - Command → ❌ GAP - no tool (manual creation)
3. If gap: Offer manual creation with validation guidance

Pattern 2: User Wants to Validate

If user says: "Validate {frontmatter|plugin|skill}"

1. Determine validation type:
   - Frontmatter → uv run scripts/plugin_validator.py validate {path}
   - Complete plugin → uv run scripts/plugin_validator.py {plugin-path} then claude plugin validate {path}
   - Skill structure → uv run scripts/plugin_validator.py {path}
2. Run appropriate validator
3. Report results with specific file:line references

Pattern 3: User Wants to Refactor

If user says: "Refactor {plugin}" or "This skill is too large"

1. If skill may be oversized:
   - Run uv run plugins/plugin-creator/scripts/plugin_validator.py {path} to check token complexity
   - If validator reports SK006 or SK007: Offer /refactor-skill for individual skill or /refactor-plugin for whole plugin
2. If general plugin refactoring:
   - Delegate to refactor-planner agent
   - Review generated plan with user
   - Delegate execution to refactor-executor agent
   - Validate with refactor-validator agent

Pattern 4: User Reports Validation Errors

If user says: "Getting 'agents: Invalid input'" or similar

1. Read their plugin.json
2. Check against common errors:
   - agents field must be array of file paths
   - tools fields must be comma-separated strings
   - All paths must start with ./
3. Offer fix_tool_formats.py for tool format issues
4. Offer plugin_validator.py fix for frontmatter issues

Script Execution Paths

All scripts use absolute paths or are executable with uv run:

# From anywhere in the repository:
uv run plugins/plugin-creator/scripts/plugin_validator.py validate {path}
uv run plugins/plugin-creator/scripts/create_plugin.py

# Scripts that work from their directory:
cd plugins/plugin-creator/scripts
./validate-task-file.sh {path}

Important: Scripts expect to be run from repository root or use ${CLAUDE_PLUGIN_ROOT} variable.

Plugin System Fundamentals

Plugin Caching and File Resolution

CRITICAL: Claude Code copies plugins to a cache directory rather than using them in-place.

How it works:

• Marketplace plugins with relative paths: The source path is copied recursively
• Plugins with .claude-plugin/plugin.json: The directory containing .claude-plugin/ is copied recursively

Path traversal limitations:

• Plugins CANNOT reference files outside their directory (../shared-utils will FAIL after installation)
• External files are NOT copied to the cache

Solutions for external dependencies:

1. Use symlinks: Create symlinks within plugin directory (symlinks are followed during copy)

   ln -s /path/to/shared-utils ./shared-utils
   

2. Restructure marketplace: Set source to parent directory that contains all required files

SOURCE: Lines 350-398 of claude-plugins-reference-2026/SKILL.md

Installation Scopes

When installing plugins, the scope determines where the plugin is available:

Usage examples:

# Install to user scope (default)
claude plugin install formatter@my-marketplace

# Install to project scope (shared with team)
claude plugin install formatter@my-marketplace --scope project

# Install to local scope (gitignored)
claude plugin install formatter@my-marketplace --scope local

SOURCE: Lines 401-410 of claude-plugins-reference-2026/SKILL.md

Environment Variables

When commands execute, they have access to:

SOURCE: Lines 415-434 of claude-plugins-reference-2026/SKILL.md

Quality Standards Enforced

Skill Size Limits

Run uv run plugins/plugin-creator/scripts/plugin_validator.py <skill-path> after writing and follow its guidance. Thresholds are defined as TOKEN_WARNING_THRESHOLD (SK006) and TOKEN_ERROR_THRESHOLD (SK007) in plugin_validator.py — not as line counts. SK006 triggers references/ extraction; SK007 requires skill splitting.

Frontmatter Requirements

Skills:

• name: Optional (uses directory name if omitted)
• description: Optional (uses first paragraph if omitted)

Agents:

• name: Required (lowercase, hyphens, max 64 chars)
• description: Required (trigger keywords, max 1024 chars)
• model: Must be sonnet/opus/haiku/inherit if specified
• tools: Must be comma-separated string (not YAML array)

Commands:

• description: Required
• allowed-tools: Must be comma-separated string (not YAML array)

Plugin.json Requirements

Required fields:

• name: Required, kebab-case

Component path fields:

Path behavior rules:

• Custom paths supplement default directories - they don't replace them
• If commands/ exists, it's loaded in addition to custom command paths
• All paths must be relative and start with ./
• Multiple paths can be specified as arrays

SOURCE: Lines 75-91 of claude-plugins-reference-2026/SKILL.md

Verification Status

This documentation was created 2026-01-28 by:

1. Reading all skill SKILL.md files
2. Reading all agent frontmatter
3. Reading all command files
4. Reading all script files
5. Testing scripts where possible
6. Cross-referencing with official Claude Code documentation

Verification Method: Direct file reading and execution verification, not assumption-based.

Gaps Explicitly Identified: Listed in "Identified Gaps" section above.

Script Consolidation Recommendation

Current State: Validation and linting functionality is spread across multiple scripts:

• plugin_validator.py - Frontmatter schema validation, skill complexity (token-based), internal links
• validate-task-file.sh - Task file validation (bash)
• fix_tool_formats.py - Tool format fixing

Recommendation: Consolidate into a single cross-platform Python script: lint-claude-plugin.py

Requirements:

1. Single Script: Combine all validation functionality into one Python 3.11+ script
2. Cross-Platform: Pure Python, no bash dependencies, works on Windows/Linux/macOS
3. Pre-commit Integration: Compatible with .pre-commit-config.yaml hooks
4. Token-Based Metrics: Use tiktoken library to measure skill complexity in tokens, not lines
   • Line count is a poor proxy for complexity
   • Token count directly measures what Claude processes
   • Thresholds should be token-based (e.g., warn at X tokens, error at Y tokens)
5. Unified Validation: Single entry point that validates:
   • Frontmatter schema (skills, agents, commands)
   • Plugin.json structure
   • Skill complexity via token count
   • Internal link validity
   • Progressive disclosure structure
   • Tool format correctness

Benefits:

• Single tool to install and maintain
• Consistent behavior across platforms
• Better complexity measurement (tokens vs lines)
• Pre-commit hook compatibility
• Reduced maintenance burden

Implementation Priority: Medium - Current scripts work but consolidation would improve usability

LSP Server Integration

Plugins can provide Language Server Protocol (LSP) servers for real-time code intelligence:

Capabilities:

• Instant diagnostics: Claude sees errors and warnings immediately after each edit
• Code navigation: go to definition, find references, hover information
• Language awareness: type information and documentation for code symbols

Configuration format (.lsp.json or inline in plugin.json):

{
  "lspServers": {
    "python": {
      "command": "pyright-langserver",
      "args": ["--stdio"],
      "extensionToLanguage": {
        ".py": "python"
      }
    }
  }
}

Required fields:

Optional fields:

CRITICAL: LSP servers require separate binary installation. LSP plugins configure Claude Code's connection to a language server but don't include the server itself.

Available LSP plugins:

SOURCE: Lines 271-347 of claude-plugins-reference-2026/SKILL.md

CLI Commands Reference

The model MUST use these CLI commands for plugin management:

Install plugin:

claude plugin install <plugin> [--scope user|project|local]

Uninstall plugin:

claude plugin uninstall <plugin> [--scope user|project|local]
# Aliases: remove, rm

Enable/disable plugin:

claude plugin enable <plugin> [--scope user|project|local]
claude plugin disable <plugin> [--scope user|project|local]

Update plugin:

claude plugin update <plugin> [--scope user|project|local|managed]

Validate plugin:

claude plugin validate <plugin-directory>
/plugin validate <plugin-directory>  # In Claude Code session

Testing without installation (session only):

# Load plugin for current session only
claude --plugin-dir ./my-plugin

# Load multiple plugins
claude --plugin-dir ./plugin-one --plugin-dir ./plugin-two

SOURCE: Lines 565-729 of claude-plugins-reference-2026/SKILL.md

Next Desired Outcomes (Pre-Context Gathering Phase)

This section lists discrete desired outcomes ready for Stage 2 (Planning with RT-ICA) following the Stateless Software Engineering Framework. Each outcome can be worked through independently by specialist agents.

Methodology Reference: stateless-software-engineering-framework.md

SSE Stage Progression for Each Outcome:

1. Stage 1: Discovery (COMPLETE - documented below)
2. Stage 2: Planning with RT-ICA (NEXT - requires specialist agent)
3. Stage 3: Context Integration (validates plan against codebase)
4. Stage 4: Task Decomposition (creates executable tasks)
5. Stage 5: Execution (stateless implementation)
6. Stage 6: Forensic Review (validates completion)
7. Stage 7: Final Verification (certifies outcome achievement)

Outcome 1: User-Invocable /create-plugin Workflow

Objective: Provide systematic plugin creation workflow following SSE methodology

Current State (Stage 1 Discovery Output):

• Script exists: scripts/create_plugin.py (interactive CLI)
• Skill exists: plugin-creator (delegates to agents)
• Gap: No RT-ICA phase, no quality gates, script not integrated with agent orchestration

Prerequisites to Verify (RT-ICA Inputs):

• Existing agent orchestration patterns in plugin-creator
• Location of RT-ICA skill/methodology
• Template structure for user-invocable skills
• Validation scripts that must run

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