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Pydantic AI Harness agent capabilities v1.0.0

Use this resource to extend a Pydantic AI agent with harness capabilities

New

  • 565 downloads
  • 180 likes
  • 201 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install pydantic-ai-agent-capabilities

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 picks the suitable pydantic-ai-harness capabilities (Coder, file system, shell, sub-agents, memory, guardrails, sandboxed execution) and wires them into Agent(capabilities=[...]). You get an agent that edits files, runs commands or delegates, with spending limits.

Mostly picked by

Updated November 2, 2026

Card for the “Pydantic AI Harness agent capabilities” skill

Details

Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: typical tasks, routing table and installation
  • references/: guides on coding, workspaces, control and testing

Good fit for

  • You want an agent that edits files and runs commands in an isolated workspace
  • You are adding memory or guardrails to an existing Pydantic AI agent

Not for

    Tags

    • pydantic ai
    • agents
    • tools
    • sandbox
    • memory

    About

    You say

    “Create a Pydantic AI coding agent that edits files in a sandbox, with a spending limit.”

    Card for the “Pydantic AI Harness agent capabilities” 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 extend a Pydantic AI agent with harness capabilities
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/CODE-MODE.md13.6 KB
    • references/CODING-AND-WORKSPACES.md25.8 KB
    • references/CONTEXT-MANAGEMENT.md16.9 KB
    • references/CONTROL-AND-SAFETY.md28.1 KB
    • references/DELEGATION-AND-PLANNING.md16.8 KB
    • references/HOSTED-INTEGRATIONS.md13.7 KB
    • references/KNOWLEDGE-AND-MEMORY.md14.5 KB
    • references/RESEARCH-AND-BROWSING.md16.4 KB
    • references/RUNTIME-AND-EXTENSION.md28.7 KB
    • references/TESTING-AND-DEBUGGING.md16.3 KB
    • SKILL.md20.1 KB

    Origin and licence

    Listed unmodified

    Author
    pydantic
    Source
    github.com/pydantic/skills/tree/98f591c0886eb11df0bdd57804419e11439efc93/skills/pydantic-ai-harness
    Licence
    MIT

    Notice

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

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