pydantic

37 mods in 5 plugins, 6 repositories, 35k stars between them.

rules

01

pydantic/pydantic-ai

Cursor rule Cursor

Always reference the python code in the docs e.g. ModelSettings should link to [ModelSettings][pydanticai.settings.ModelSettings].

not rated 21k +125 yesterday A 43 tokens original MIT

pydantic/pydantic-ai

Skill Claude CodeCodex

Build AI agents with Pydantic AI — tools, capabilities (including on-demand loading), workspaces, structured output, streaming, testing, and multi-agent patterns. Use when the user mentions Pydantic AI, imports pydanticai, or asks to build an AI agent, add tools/capabilities, attach a workspace, defer capability…

not rated 21k +125 changed 2d ago A Snyk: passSkillSpector: pass 92 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate Python LangChain, LangGraph, or Deep Agents applications to Pydantic AI and, when the source uses harness features, Pydantic AI Harness. Use for LangChain agents, chains, LCEL, direct LangGraph graphs, persistence, interrupts, streaming, and createdeepagent projects with planning, filesystem or sandbox…

not rated 21k +125 changed 28d ago A SkillSpector: pass 100 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate Python applications from the Claude Agent SDK to Pydantic AI and, only when needed, Pydantic AI Harness. Use when source code imports claudeagentsdk or relies on Claude Code's agent loop, sessions, built-in tools, hooks, permissions, skills, or subagents. Do not use for the Anthropic Messages SDK or Claude…

not rated 21k +125 yesterday A 90 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate Python Google Agent Development Kit (ADK) applications to Pydantic AI. Use for LlmAgent, Runner, sessions, state, memory, tools, callbacks, plugins, graph or dynamic workflows, resumability, events, artifacts, MCP, and ADK deployment boundaries.

not rated 21k +125 yesterday A 72 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate TypeScript Mastra applications to Python with Pydantic AI and, only when needed, Pydantic AI Harness. Use when source code imports @mastra/ or relies on Mastra agents, tools, workflows, memory, processors, streaming, approvals, skills, or subagents.

not rated 21k +125 yesterday A 73 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate Python OpenAI Agents SDK applications to Pydantic AI and, when warranted, Pydantic AI Harness. Use for agents.Agent, Runner, function tools, handoffs, guardrails, sessions, human approval, streaming, or SandboxAgent. Do not use for applications built directly on the OpenAI Responses API without the Agents SDK…

not rated 21k +125 yesterday A 87 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate TypeScript Vercel AI SDK or Eve applications to Python with Pydantic AI and, only when needed, Pydantic AI Harness. Use when source code imports ai, @ai-sdk/, or eve, or relies on generateText, streamText, ToolLoopAgent, useChat, Eve agents, tools, skills, subagents, approvals, sessions, channels, schedules…

not rated 21k +125 yesterday A 107 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate Python Agno applications to Pydantic AI and, only when needed, Pydantic AI Harness. Use when source code imports agno or relies on Agno agents, teams, workflows, sessions, memory, knowledge, tools, hooks, guardrails, approvals, skills, streaming, or AgentOS.

not rated 21k +125 yesterday B 76 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate TypeScript Pi coding-agent applications, extensions, or packages to Python with Pydantic AI and Pydantic AI Harness. Use when source code imports @earendil-works/pi-, calls createAgentSession, registers Pi extensions, or relies on Pi tools, hooks, skills, sessions, compaction, providers, TUI, RPC, or packages.

not rated 21k +125 yesterday A 88 tokens original MIT

pydantic/pydantic-ai

Skill Codex

Migrate Python LangChain Deep Agents applications to Pydantic AI and Pydantic AI Harness. Use when the source uses the upstream deepagents package or demonstrably reproduces its middleware, backends, skills, memory, subagents, or sandbox contracts. Use migrating-langchain-to-pydantic-ai for plain LangChain, LangGraph…

not rated 21k +125 yesterday A 109 tokens original MIT

pydantic-ai-harness

12

pydantic/pydantic-ai

Skill Claude CodeCodex

Extend Pydantic AI agents with capabilities from pydantic-ai-harness -- the Coder coding agent, file and shell tools in local or sandboxed workspaces (Modal, E2B, Sprites, smolvm), Code Mode, sub-agents and planning, memory and skills, context compaction, guardrails and spend limits, web research and browsers, hosted…

not rated 21k +125 changed yesterday A 187 tokens original MIT

pydantic-ai-harness

13

pydantic/pydantic-ai-harness

Skill Claude CodeCodex

Extend Pydantic AI agents with batteries-included capabilities from pydantic-ai-harness -- Code Mode (collapse many tool calls into one sandboxed Python execution), a filesystem and shell, sub-agents, planning, context compaction, and more. Use when the user mentions pydantic-ai-harness, CodeMode, Monty, code mode, or…

not rated 961 +9 13d ago A SkillSpector: pass 142 tokens copy · 100% MIT

pydantic/pydantic-ai-harness

Skill Codex

Migrate Python LangChain Deep Agents applications to Pydantic AI and Pydantic AI Harness. Use when the source uses the upstream deepagents package or demonstrably reproduces its middleware, backends, skills, memory, subagents, or sandbox contracts. Use migrating-langchain-to-pydantic-ai for plain LangChain, LangGraph…

not rated 961 +9 13d ago A 109 tokens copy · 100% MIT

ai

15

pydantic/skills

Plugin Claude Code

Bundles 9 skills · 778 tokens together

Build production-grade AI agents with Pydantic AI — tools, capabilities, structured output, streaming, and testing patterns — and port existing agents over from LangChain, the OpenAI Agents SDK, Google ADK, Mastra, Agno, Pi, the Claude Agent SDK, and the Vercel AI SDK.

not rated 142 +2 changed 26d ago A tokens not measured original MIT

logfire

16

pydantic/skills

Plugin Claude Code

Bundles 6 skills, 4 commands, 1 MCP server · 848 tokens together

Instrument applications and infrastructure, investigate telemetry, and manage Pydantic Logfire workflows across Python, TypeScript, Rust, or any language.

not rated 142 +2 changed 4d ago A tokens not measured original MIT

pydantic-ai-harness

17

pydantic/skills

Plugin Claude Code

Bundles 1 skill · 142 tokens together

Extend Pydantic AI agents with batteries-included capabilities from pydantic-ai-harness, currently Code Mode for collapsing many tool calls into one sandboxed Python execution.

not rated 142 +2 4d ago A tokens not measured original MIT

pydantic

18

pydantic/skills

Plugin Claude Code

Bundles 1 skill · 54 tokens together

Validate and serialize data with Pydantic — modeling patterns, constraints, custom validators, coercion, and discriminated unions.

not rated 142 +2 4d ago A tokens not measured original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: