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name: coding-agent-docs description: Stay current with how OpenCode, OpenAI Codex, and Claude Code implement extensibility features (skills, slash commands, subagents, custom prompts). Use when comparing implementations across AI coding assistants, researching how a specific tool implements a feature, or syncing knowledge about agent extensibility patterns. Triggers include questions like "how does X implement skills?", "compare slash commands across tools", "what's the latest on Claude Code sub-agents?", or requests to understand agent extensibility approaches.

AI Coding Agent Documentation Sync

Track and compare extensibility features across OpenCode, Codex, and Claude Code.

Quick Reference

See references/documentation-urls.md for all documentation URLs organized by tool and feature type.

Workflows

Fetch Current Documentation

1. Read references/documentation-urls.md to get relevant URLs
2. Use WebFetch for each URL with a targeted prompt:
   • For overview: "Summarize the main concepts and how this feature works"
   • For comparison: "Extract the key configuration options, file structure, and capabilities"
   • For implementation details: "List the required files, syntax, and examples"

Compare Implementations Across Tools

1. Identify the concept to compare (skills, commands, agents)
2. Fetch documentation from each tool using the feature mapping table
3. Structure comparison around:
   • Triggering: How is the feature invoked?
   • Structure: What files/config are required?
   • Capabilities: What can it do?
   • Limitations: What constraints exist?

Research Specific Feature

1. Identify which tool(s) to research
2. Fetch the relevant documentation URL(s)
3. Extract:
   • Core concepts and terminology
   • Required file structure
   • Configuration options
   • Example implementations

Concept Mapping

Important Notes

• Documentation URLs may change; verify links still work before relying on them
• Each tool uses different terminology for similar concepts
• Features evolve rapidly; always fetch current docs rather than relying on cached knowledge