BeClaude

pydantic-ai

80Official PluginDevelopmentby Anthropic

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.

Python3 forksUpdated 6/15/2026First seen 4/17/2026

Summary

This skill provides up-to-date patterns, decision trees, and common gotchas for building Pydantic AI agents, tools, structured output, streaming, and multi-agent applications.

  • It helps developers write accurate Pydantic AI code from the start, avoiding pitfalls and following best practices.

Install & Usage

1
Add a marketplace
/plugin marketplace add <org/repo>
2
Install the plugin

Add the configuration to /plugin install pydantic-ai@<marketplace>

3
Manage with /plugin
/plugin

Use Cases

Designing a Pydantic AI agent with structured output using a custom Pydantic model.
Implementing a tool that calls an external API and returns validated data to the agent.
Setting up a streaming agent that yields partial results as they are generated.
Building a multi-agent application where agents delegate tasks to each other.
Debugging common errors like model validation failures or tool execution issues.
Migrating existing code to use the latest Pydantic AI patterns and features.

Usage Examples

1

/pydantic-ai Create a weather agent that uses a tool to fetch temperature and returns a structured response with city, temp, and unit.

2

/pydantic-ai Show me how to implement a streaming agent that outputs tokens incrementally.

3

I need to build a multi-agent system where a supervisor agent delegates to specialized agents. How do I set that up with Pydantic AI?

View source on GitHub
agent

Security Audits

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Frequently Asked Questions

What is pydantic-ai?

This skill provides up-to-date patterns, decision trees, and common gotchas for building Pydantic AI agents, tools, structured output, streaming, and multi-agent applications. It helps developers write accurate Pydantic AI code from the start, avoiding pitfalls and following best practices.

How to install pydantic-ai?

To install pydantic-ai: add a marketplace (/plugin marketplace add <org/repo>), then add the config to /plugin install pydantic-ai@<marketplace>. Finally, /plugin in Claude Code.

What is pydantic-ai best for?

pydantic-ai is a plugin categorized under Development. It is designed for: agent. Created by Anthropic.

What can I use pydantic-ai for?

pydantic-ai is useful for: Designing a Pydantic AI agent with structured output using a custom Pydantic model.; Implementing a tool that calls an external API and returns validated data to the agent.; Setting up a streaming agent that yields partial results as they are generated.; Building a multi-agent application where agents delegate tasks to each other.; Debugging common errors like model validation failures or tool execution issues.; Migrating existing code to use the latest Pydantic AI patterns and features..