ossrules.md

migrating-mastra-to-pydantic-ai

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.

Install
npx skills add 'https://github.com/pydantic/pydantic-ai/tree/main/pydantic_ai_slim/pydantic_ai/.agents/skills/migrating-mastra-to-pydantic-ai'
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agents/openai.yaml

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interface:  display_name: "Migrate Mastra to Pydantic AI"  short_description: "Migrate Mastra applications safely"  default_prompt: "Use $migrating-mastra-to-pydantic-ai to migrate the smallest complete Mastra slice to Pydantic AI while preserving its observed contracts with proportionate tests."
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