Which models support this skill?

This skill is designed for Claude 3.5/4.5 Sonnet and Claude 4.1 Opus using the structured-outputs-2025-11-13 beta header.

Does this skill handle complex tool schemas?

Yes, it supports nested objects, arrays, and enums, though it excludes recursive schemas and complex regex constraints.

What is Anthropic's strict tool mode?

Strict tool mode is a feature that guarantees tool input parameters match your provided JSON schema exactly, removing the need for manual validation logic within your functions.

When should I use this skill instead of json-outputs-implementer?

Use this skill for building multi-step agentic workflows and tool execution. Use json-outputs-implementer for simpler tasks like data extraction, formatting, or classification.

Strict Tool Implementer

Name: Strict Tool Implementer
Author: cskiro

bycskiro

0•

API開発

Implements Anthropic’s strict tool mode to ensure guaranteed schema compliance and type-safe execution for multi-step agentic workflows.

The Strict Tool Implementer skill enables developers to build reliable agentic systems by leveraging Anthropic's strict tool use mode, which guarantees that tool input parameters perfectly match defined JSON schemas. By eliminating the need for manual validation within tool functions, this skill facilitates the creation of complex multi-tool workflows, robust agent architectures, and production-ready error handling patterns. It is ideal for developers building high-stakes AI applications where precise parameter mapping and type safety are critical for downstream function execution.

主な機能

010 GitHub stars

02Multi-step agentic workflow orchestration and composition

03Comprehensive agent implementation patterns and architecture

04Production-ready tool schema design with guaranteed compliance

05Type-safe tool execution for reliable downstream processing

06Integrated error handling and validation strategies for tool calls

ユースケース

01Implementing complex tools with nested properties for critical operations

02Developing type-safe function calling systems to reduce runtime errors

03Building multi-step agentic workflows requiring precise parameter validation

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add cskiro/claudex strict-tool-implementer

For use in Claude.ai and ChatGPT

Download Skill