{"generatedAt":"2026-07-13T08:01:57.898Z","tool":{"id":"json-schema-generator","name":"JSON Schema Generator","description":"Generate production-ready JSON Schemas from examples for function calling, structured output, and agent tool contracts","category":"ai","icon":"{}","keywords":["json","schema","generator","function calling","structured output","validation","openapi"],"hasApi":true,"remoteCallable":true,"remoteMode":"dedicated_api","riskClass":"M","maxInputBytes":262144,"timeoutMs":4000,"supportsStreaming":false,"url":"/json-schema-generator/","tags":["ai","openapi","prompting"],"faqs":[{"question":"What is JSON Schema Generator?","answer":"JSON Schema Generator creates JSON Schema definitions from example JSON data. It is essential for AI function calling, structured output validation, and API contract definitions."},{"question":"How do I use JSON Schema Generator?","answer":"Paste a sample JSON object into the input field and the tool instantly generates a matching JSON Schema. You can adjust required fields, types, and descriptions, then copy the schema for use in your project."},{"question":"Is JSON Schema Generator free?","answer":"Yes. This tool is free to use with immediate access—no account required."},{"question":"Does JSON Schema Generator store or send my data?","answer":"No. All processing happens entirely in your browser. Your JSON data never leaves your device — nothing is sent to any server."},{"question":"Can I use the generated schema for AI function calling?","answer":"Yes. The generated schemas are compatible with OpenAI function calling, Anthropic tool use, and other AI APIs that require JSON Schema definitions for structured output."}],"howTo":[{"title":"Provide example JSON","description":"Paste one or more representative JSON objects. The tool analyzes the structure and infers types. Include examples showing all possible property types you want to allow."},{"title":"Review generated schema","description":"The tool generates a JSON Schema (Draft 7 or later). Check that all properties are present, types are correct (string, number, boolean, object, array), and array items are properly typed."},{"title":"Add constraints and validation","description":"Manually edit the schema to add minLength, maxLength, pattern (regex), enum values, minimum, maximum, required fields, and description fields for documentation."},{"title":"Validate against your data","description":"Use the schema with a validator library (e.g., Ajv in Node.js) to validate incoming data. Test with both valid and invalid examples to ensure the schema catches errors correctly."}],"agentContract":{"toolId":"json-schema-generator","contractVersion":"2.0.0","remote_callable":true,"remote_mode":"dedicated_api","risk_class":"M","max_input_bytes":262144,"timeout_ms":4000,"supports_streaming":false,"preferred_surface":"dedicated_api","dedicated_api":{"baseUrl":"https://aidevhub.io/api/json-schema-generator/","openapiUrl":"https://aidevhub.io/api/openapi.yaml","endpoints":[{"method":"POST","path":"/api/schema-generator/","summary":"Generate JSON Schema from example data"}],"riskClass":"M","inputMaxBytes":262144,"timeoutMs":4000},"runtime":{"endpoint":"/api/tools/run/","methods":["GET","POST"],"queryParams":[{"name":"toolId","required":true,"description":"Tool identifier"},{"name":"a","required":true,"description":"Primary input"}],"postBodyShape":{"toolId":"string","input":"{ a, b?, c?, mode? }"},"exampleGet":"https://aidevhub.io/api/tools/run/?toolId=json-schema-generator&a=...","policy":{"riskClass":"M","limit":30,"burst":10,"windowSec":60,"inputMaxBytes":262144,"timeoutMs":4000,"cacheTtlSec":0,"networkEnabled":false,"supportsStreaming":false}},"semantic_fields":{"example":"Field from JSON Schema Generator API"}},"relatedTools":[{"id":"mcp-config-generator","name":"MCP Server Config Generator","url":"/mcp-config-generator/","category":"ai"},{"id":"ai-tool-schema-builder","name":"AI Tool Schema Builder","url":"/ai-tool-schema-builder/","category":"ai"},{"id":"structured-output-validator","name":"LLM Structured Output Validator","url":"/structured-output-validator/","category":"ai"},{"id":"rules-file-generator","name":"CLAUDE.md / Rules File Generator","url":"/rules-file-generator/","category":"ai"},{"id":"memory-file-builder","name":"Markdown Memory File Builder","url":"/memory-file-builder/","category":"ai"},{"id":"function-call-simulator","name":"Function Call Flow Simulator","url":"/function-call-simulator/","category":"ai"}]}}