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Codex is OpenAI’s terminal coding agent. Project skills use the vendor-neutral .agents/skills convention; global skills live under ~/.codex/skills.

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Paths

ResourcePath
Project skills.agents/skills (generic fallback)
Global skills~/.codex/skills
MCP config~/.codex/mcp.json
Audit search (project).agents/skills, .github/skills, .claude/skills
Audit search (global)~/.codex/skills, ~/.agents/skills, ~/.copilot/skills

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Skills example

gaal.yaml
skills:
  - source: anthropics/skills
    agents: [codex]
    global: true       # → ~/.codex/skills

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MCP example

gaal.yaml
mcps:
  - name: filesystem
    target: ~/.codex/mcp.json
    inline:
      command: uvx
      args: [mcp-server-filesystem, ~/projects]

Configure skills

Configure MCP servers