tool-design

Design tool interfaces with schemas for name, description, parameters, returns, and errors.

Updated Jan 6, 2026
One-click install
npx skills add https://github.com/salmanparacha/speckitplus-calculator --skill tool-design-salmanparacha
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: tool-design
Source: https://github.com/salmanparacha/speckitplus-calculator/tree/main/.claude/skills-nocontext/tool-design
Command: npx skills add https://github.com/salmanparacha/speckitplus-calculator --skill tool-design-salmanparacha

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Design clear, actionable tool interfaces for agent systems that reduce ambiguity and improve reliability.

Core Features & Use Cases

  • Clear, unambiguous tool descriptions that specify what the tool does, when to use it, inputs, and returns.
  • Consistent naming, structure, and schemas across the tool set to reduce confusion.
  • Guidelines for error handling, examples, and evaluation to improve reliability and maintainability.

Quick Start

Define a new tool by following the standard schema: name, description, parameters, returns, and errors, with explicit examples.

Frequently Asked Questions about tool-design

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

FAQPage Schema
How do I design robust tool interfaces for reliable agent use?

Design robust tool interfaces by enforcing a structured schema with name, description, parameters, returns, and errors. This approach ensures clear, actionable tool descriptions and consistent naming to reduce ambiguity and improve reliability for agent systems.

What is the best way to standardize tool descriptions for agent systems?

Standardize tool descriptions by applying consistent naming, structure, and schemas across the entire tool set. Specify what the tool does, when to use it, inputs, and returns to reduce confusion and improve maintainability.

How should I handle error handling and validation schemas in agent tools?

Handle error handling and validation schemas in agent tools by including an errors field in your structured schema and following specific guidelines for error handling, examples, and evaluation to improve reliability and maintainability.

Can I use this approach to consolidate existing tools in my agent system?

Yes, you can use this approach to consolidate existing tools in your agent system. The design framework applies to tool consolidation tasks, helping standardize descriptions and validate schemas across your current tool set.

What schema fields do I need to define a new tool for an agent?

To define a new tool for an agent, you need a standard schema with fields for name, description, parameters, returns, and errors, plus explicit examples to ensure clear, actionable interfaces.