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AI Tool Schema Builder

Validate and convert tool-calling schemas for OpenAI, Claude, Gemini, JSON Schema, TypeScript, and Pydantic. Everything runs in your browser.

Schema Input

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Converted Output

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Validation Report

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    Sample Tool Call and Handler

    Built for Tool Calling Workflows

    Use this validator while building OpenAI function calling, Claude tools, Gemini function declarations, MCP servers, and agent tool registries. It checks practical schema issues before they become runtime failures.