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Migrating Mastra applications to Pydantic AI v1.0.0

Use this resource to migrate a TypeScript Mastra application to Pydantic AI

New

  • 459 downloads
  • 245 likes
  • 107 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install mastra-agents-to-pydantic-ai

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent traces a real call (generate, stream or workflow run), identifies the tools, processors, memory and events to keep, then migrates a first vertical slice. It verifies the result before any cutover. You get a Python version that behaves like the original.

Mostly picked by

Updated November 2, 2026

Card for the “Migrating Mastra applications to Pydantic AI” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

Similar resources

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What you get

  • SKILL.md: source analysis, choice of target and risk gates
  • references/: mapping, verification and cutover plan

Good fit for

  • Your TypeScript backend uses @mastra and must move to Python
  • You want to reuse your workflows in a Python stack

Not for

    Tags

    • migration
    • mastra
    • pydantic ai
    • typescript
    • workflows

    About

    You say

    “Migrate my Mastra content agent and its tools to Pydantic AI in Python.”

    Card for the “Migrating Mastra applications to Pydantic AI” skill

    Skill published by pydantic under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to migrate a TypeScript Mastra application to Pydantic AI
    3. Review and adjust the result

    Content preview

    Files

    • agents/openai.yaml0.3 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/RESEARCH-AND-MAPPING.md9.2 KB
    • references/VERIFICATION-AND-CUTOVER.md6.1 KB
    • SKILL.md7.9 KB

    Origin and licence

    Listed unmodified

    Author
    pydantic
    Source
    github.com/pydantic/skills/tree/98f591c0886eb11df0bdd57804419e11439efc93/skills/migrating-mastra-to-pydantic-ai
    Licence
    MIT

    Notice

    « migrating-mastra-to-pydantic-ai » (pydantic, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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