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tool-design

This skill should be used when the user asks to design agent tools, create tool descriptions, reduce tool complexity, implement MCP tools, or mentions tool consolidation, architectural reduction, tool naming conventions, or agent-tool interfaces.

6,978stars550forksUpdated 1/15/2026

Security Assessment

Safe(100/100)
Security Score100/100

About tool-design

The tool-design skill is essential for creating and optimizing agent tools that facilitate interactions between deterministic systems and non-deterministic agents. This skill addresses the challenges of designing functional and efficient tool APIs by emphasizing the importance of clear contracts, effective descriptions, and organized tool collections. Poorly designed tools can lead to failure modes that affect agent performance, making this skill crucial for ensuring smooth operation in complex environments where agents must interpret and execute tasks based on natural language requests.

Main features of the tool-design skill include the ability to create new tools, debug existing ones, and optimize tool sets for improved agent performance. It also provides guidelines for designing tool APIs that are intuitive for agents to use, including the consolidation principle that advocates for comprehensive tools over narrow, specialized ones. By applying these principles, users can ensure that their agent tools not only function well but also enhance the overall efficiency and effectiveness of the agent's interactions with various systems.

Use cases for this skill are broad and include software engineers and AI developers tasked with integrating tools into agent systems, as well as teams looking to standardize tool conventions and improve tool usability. It is particularly beneficial for those involved in the design and architecture of agent interfaces, as well as for troubleshooting and optimizing existing tools to align with user intent and system requirements.

FAQ

When should I activate the tool-design skill?

Activate this skill when creating new tools, debugging tool-related failures, optimizing existing tools, or designing tool APIs.

Is this skill compatible with all agent systems?

The skill is designed for use with agent systems that rely on clear tool definitions and interactions.

What are the limitations of this skill?

The skill focuses on tool design and may not cover broader aspects of agent development or integration with unrelated systems.

Can I use this skill for third-party tools?

Yes, the skill includes evaluating third-party tools for potential integration into agent systems.

Are there specific requirements for using this skill?

Users should have a basic understanding of agent systems and tool design principles to effectively utilize this skill.

Install tool-design

Download and extract the skill files to your .claude/skills/ directory.

Quick Setup:

  1. Copy the skill folder to .claude/skills/
  2. Claude will automatically detect and use the skill