SKILL.md with core Pydantic AI patterns (agents, tools, capabilities, structured output, testing, multi-agent systems)
Reference docs for common tasks (hooks, specs, streaming, fallback models, delegation)

Install

claude plugin marketplace add pydantic/skills
claude plugin install ai@pydantic-skills

Codex

ai is not currently listed as a Codex plugin in the local Pydantic marketplace. Codex users can still use the standalone cross-agent skill at skills/building-pydantic-ai-agents/.