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Defining model-callable tools v1.0.0

Use this resource to declare tools the model can call and render their calls in the chat interface

New

  • 495 downloads
  • 241 likes
  • 219 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install model-callable-tool-definitions

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 writes a toolkit with a schema, server-side or browser execution and call rendering, then mounts it on the client. It also handles approval gates and MCP servers. You get working tools that appear in the conversation.

Mostly picked by

Updated November 2, 2026

Card for the “Defining model-callable tools” skill

Details

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

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What you get

  • SKILL.md: writing the toolkit, mounting it and tool kinds
  • references/: human-in-the-loop tools, MCP servers, MCP Apps, WebMCP and multi-agent

Good fit for

  • The model must look up data or trigger an action in your app
  • A sensitive action must be approved by the user first

Not for

    Tags

    • tools
    • calls
    • mcp
    • approval

    About

    You say

    “Add a tool that finds an order by number and shows it in the chat.”

    Card for the “Defining model-callable tools” skill

    Skill published by assistant-ui 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 declare tools the model can call and render their calls in the chat interface
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.3 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/human-in-loop.md10.6 KB
    • references/legacy-component-apis.md6 KB
    • references/mcp-apps.md10.5 KB
    • references/mcp-server.md7.9 KB
    • references/multi-agent.md4.7 KB
    • references/tool-ui.md9.7 KB
    • references/toolkits.md14.8 KB
    • references/webmcp.md5.3 KB
    • SKILL.md14.2 KB

    Origin and licence

    Listed unmodified

    Author
    assistant-ui
    Source
    github.com/assistant-ui/skills/tree/b0609e66baff7e19f21053d5492464dcc22ec9c3/assistant-ui/skills/tools
    Licence
    MIT

    Notice

    « tools » (assistant-ui, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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