agent-tool-builder

Design and validate AI tool schemas with JSON Schema and MCP-aligned descriptions.

Updated Mar 29, 2025
One-click install
npx skills add https://github.com/ketzal88/gym-counter --skill agent-tool-builder-ketzal88
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: agent-tool-builder
Source: https://github.com/ketzal88/gym-counter/tree/main/.claude/skills/agent-tool-builder
Command: npx skills add https://github.com/ketzal88/gym-counter --skill agent-tool-builder-ketzal88

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Tools and tool schemas are essential to reliable AI agents; this skill helps design and document tools so agents can interact with the world predictably and safely.

Core Features & Use Cases

  • Clear tool schemas (JSON Schema) that describe inputs, outputs, and error conditions.
  • Explicit, human-readable descriptions that guide LLM usage and prevent misinterpretation.
  • Validation patterns and MCP-aligned tooling guidance for scalable, multi-tool orchestration.

Quick Start

Create a simple tool with a clear input/output schema and an explicit error-handling description, then validate the schema before deployment.

Frequently Asked Questions about agent-tool-builder

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

FAQPage Schema
How do I design JSON schemas for AI tools to prevent function calling errors?

Designing JSON schemas for AI tools involves explicitly defining inputs, outputs, and error conditions. Clear schema design prevents LLM misinterpretation and ensures agents interact predictably and safely during function calling.

What is the best way to document tool descriptions for LLM agents?

Documenting tool descriptions for LLM agents requires explicit, human-readable guidance aligned with MCP standards. This approach clarifies tool usage, prevents misinterpretation during task orchestration, and enables scalable multi-tool integration.

How do I add error handling and validation to AI agent tools?

Add error handling and validation to AI agent tools by specifying explicit error conditions within the tool schema. Defining these validation patterns before deployment ensures reliable data retrieval and predictable task execution in production environments.

Does this approach work for multi-tool orchestration in production environments?

Yes, this approach works for multi-tool orchestration by providing MCP-aligned tooling guidance and validation patterns. Specifying clear schema requirements ensures scalable and reliable task orchestration across multiple agents in production environments.

Why do my AI agents misinterpret tool inputs during function calling?

AI agents misinterpret tool inputs when schemas lack explicit, descriptive documentation. Providing clear JSON schemas and human-readable descriptions prevents misinterpretation and ensures the LLM correctly understands the required inputs and error conditions.