AI Coding Agents Skill Expert knowledge for Codex CLI and Claude Code CLI — the two leading AI coding agents. Note: This skill documents both tools for reference. VMark development primarily uses Claude Code CLI . The Codex CLI sections are retained for completeness and cross-tool workflows. When to Use - Orchestrating complex coding tasks via CLI - Configuring MCP servers for either tool - Setting up automation pipelines (CI/CD) - Troubleshooting authentication or sandbox issues - Comparing capabilities between agents - Custom agent/subagent configuration Quick Reference Starting Sessions |…