pydantic ai — Agent Skill
by pydantic · Updated
Write accurate Pydantic AI code from the start. Up-to-date patterns, decision trees, and common gotchas for agents, tools, structured output, streaming, and multi-agent apps.
At a glance
pydantic-ai is an Agent Skill by pydantic in the Automation & Workflow category. In Claude Code it installs with `/plugin install pydantic-ai@claude-plugins-official` after adding the anthropics/claude-plugins-official marketplace; other assistants use its SKILL.md instructions as rules. Its source repository has 146 GitHub stars (as of Oct 28, 2026).
How to install pydantic ai in your AI client
Setup for Claude Code, Claude Desktop, Cursor, Codex, Windsurf, Cline and VS Code — copy-paste ready.
How to install pydantic ai in Claude CodeAnthropic's agentic CLI
Add the marketplace
claude/plugin marketplace add anthropics/claude-plugins-officialInstall the skill
claude/plugin install pydantic-ai@claude-plugins-officialUse it
These are slash commands for a Claude Code session, not your shell. Claude auto-invokes the skill when your request matches its description — or type its slash command if it exposes one.
How to install pydantic ai in Claude DesktopDesktop app (MCP config)
Clone the source
bashgit clone https://github.com/pydantic/skills.gitFind the skill
It lives in skills/plugins/ai — that folder contains the SKILL.md.
Add the SKILL.md to your Skills folder
Settings → Capabilities → Skills → add the folder containing SKILL.md. Claude picks it up automatically.
How to install pydantic ai in CursorAI-first code editor
Clone the source
bashgit clone https://github.com/pydantic/skills.gitFind the skill
It lives in skills/plugins/ai — that folder contains the SKILL.md.
Convert to a Cursor rule
Create .cursor/rules/pydantic-ai.mdc and paste the SKILL.md body. Set `alwaysApply` or a glob so the Agent loads it in context.
How to install pydantic ai in Codex CLIOpenAI coding agent
Clone the source
bashgit clone https://github.com/pydantic/skills.gitFind the skill
It lives in skills/plugins/ai — that folder contains the SKILL.md.
Reference in AGENTS.md
Add the skill's instructions (or a link) to AGENTS.md at your repo root — Codex reads it on every run.
How to install pydantic ai in WindsurfCodeium's agentic IDE
Clone the source
bashgit clone https://github.com/pydantic/skills.gitFind the skill
It lives in skills/plugins/ai — that folder contains the SKILL.md.
Add to your rules / context
Paste the SKILL.md instructions into this tool's custom rules or workspace instructions so the agent follows them.
How to install pydantic ai in ClineVS Code autonomous agent
Clone the source
bashgit clone https://github.com/pydantic/skills.gitFind the skill
It lives in skills/plugins/ai — that folder contains the SKILL.md.
Add to your rules / context
Paste the SKILL.md instructions into this tool's custom rules or workspace instructions so the agent follows them.
How to install pydantic ai in VS CodeCopilot / MCP support
Clone the source
bashgit clone https://github.com/pydantic/skills.gitFind the skill
It lives in skills/plugins/ai — that folder contains the SKILL.md.
Add to your rules / context
Paste the SKILL.md instructions into this tool's custom rules or workspace instructions so the agent follows them.
Documentation
Full READMEai
Build production-grade AI agents with Pydantic AI.
Features
- 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)
- Migration skills for porting an existing application from another framework, one per source framework: LangChain and LangGraph, the OpenAI Agents SDK, Google ADK, Mastra, Agno, Pi, the Claude Agent SDK, and the Vercel AI SDK and Eve
Install
claude plugin marketplace add pydantic/skills
claude plugin install ai@pydantic-skillsCodex
ai is not currently listed as a Codex plugin in the Pydantic marketplace. Codex users can still use the standalone cross-agent skill at skills/building-pydantic-ai-agents/.
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