What is the Consolidation Principle in tool design?

It is the practice of combining narrow, overlapping tools into single comprehensive ones to reduce ambiguity, as agents perform better when they don't have to choose between similar functions.

What are the MCP tool naming requirements?

For Model Context Protocol tools, you should use fully qualified names in the 'ServerName:tool_name' format to ensure agents can accurately locate them when multiple servers are active.

Why are tool descriptions considered prompt engineering?

Descriptions are loaded directly into the agent's context window; they define the logic and 'contract' that guides the model on when, why, and how to call a specific function.

How does Architectural Reduction benefit AI agents?

It replaces specialized, restrictive tools with general-purpose primitives (like file system access), allowing the model's inherent reasoning to handle complexity instead of relying on brittle wrappers.

Tool Design for Agents

Name: Tool Design for Agents
Author: shipshitdev

byshipshitdev

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API Development

Optimizes AI agent capabilities by designing effective tool interfaces, consolidating functions, and refining descriptions for better model reasoning.

This skill provides a comprehensive framework for creating tool APIs specifically designed for language models rather than human developers. It emphasizes the 'Consolidation Principle'—reducing complexity so agents can reason effectively—and introduces 'Architectural Reduction' to favor general-purpose primitives over brittle, specialized tools. By standardizing naming conventions, including MCP requirements, and optimizing response formats, this skill ensures agents interact with their environment with higher precision, lower token costs, and fewer failure modes.

Key Features

01Optimization of tool descriptions as functional prompt engineering

02Architectural reduction patterns for minimal, high-performance toolsets

0310 GitHub stars

04Consolidation principle implementation to reduce agent confusion

05MCP-compliant tool naming and server prefixing standards

06Strategic error message design for autonomous agent recovery

Use Cases

01Building a custom MCP server for internal database or API integration

02Debugging why an agent is failing to select the correct tool or endpoint

03Refactoring complex toolsets to improve model reasoning and token efficiency

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add shipshitdev/library tool-design

For use in Claude.ai and ChatGPT

Download Skill