tool-design

Design effective tool APIs for AI agents with clear parameters and error handling.

Updated Feb 3, 2026
One-click install
npx skills add https://github.com/northseadl/skillwisp --skill tool-design-northseadl
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: tool-design
Source: https://github.com/northseadl/skillwisp/tree/main/skills/%40muratcankoylan/tool-design
Command: npx skills add https://github.com/northseadl/skillwisp --skill tool-design-northseadl

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the challenges of designing effective tools for AI agents, ensuring clear communication, reducing complexity, and improving agent performance by focusing on robust tool API design principles.

Core Features & Use Cases

  • Tool API Design: Guides the creation of unambiguous and efficient tool interfaces for language models.
  • Consolidation Principle: Advocates for combining related functionalities into single, comprehensive tools to reduce agent confusion.
  • Architectural Reduction: Promotes using primitive, general-purpose tools over complex, specialized ones where appropriate.
  • Use Case: When developing a new AI assistant that needs to interact with a database, this Skill provides the framework to design the query_database tool, ensuring it has clear parameters, handles errors gracefully, and is easily discoverable by the agent.

Quick Start

Use the tool-design skill to create a new tool description for an agent that needs to interact with a calendar.

Frequently Asked Questions about tool-design

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is the best way to design API tools for AI agents?

To design an effective agent tool API, you must create unambiguous interfaces with clear parameters, consolidate related functionalities to reduce confusion, and use primitive general-purpose tools where appropriate. This ensures the agent can discover and use the tool efficiently.

How do I write tool descriptions for prompt engineering?

Writing tool descriptions for prompt engineering involves treating the descriptions as clear communication channels for language models. You must ensure the tool interface is unambiguous, efficient, and fully clear to guide the agent's interactions accurately.

Why does my AI agent get confused when using multiple specialized tools?

AI agents get confused using multiple specialized tools due to interface complexity. The consolidation principle advocates combining related functionalities into single, comprehensive tools to reduce agent confusion and improve overall performance.

How do I design error messages for agent tool recovery?

Designing error messages for agent tool recovery requires focusing on robust tool API design principles that address the unique challenges of language models. Clear error messages guide the agent gracefully back to a successful execution state.

When should I use primitive general-purpose tools over specialized ones?

You should use primitive general-purpose tools over specialized ones when applying architectural reduction to your AI agent system. This approach promotes maintainability and performance by simplifying the tool-agent interface.

Does tool design require any specific frameworks or dependencies?

Tool design requires no specific external frameworks or dependencies, providing principles and best practices instead. It serves as a reference framework to guide the creation of robust, maintainable, and performant agent systems regardless of your stack.