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JSON Schema to Zod Schema Converter

Convert JSON Schema JSON/YAML definitions into ready-to-use Zod schemas with nested objects, arrays, enums, and common validation rules

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Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'https://api.elysiatools.com/en/api/tools/json-schema-to-zod-schema-converter' \
  -H 'Content-Type: application/json' \
  -d '{"schemaInput":"{\n  \"type\": \"object\",\n  \"required\": [\"email\"],\n  \"properties\": {\n    \"email\": { \"type\": \"string\", \"format\": \"email\" },\n    \"age\": { \"type\": \"integer\", \"minimum\": 18 }\n  }\n}","sourceFormat":"json","rootSchemaName":"userSchema","namingStyle":"camel","outputMode":"schema-and-type","includeDescriptions":true}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/json-schema-to-zod-schema-converter

Parameters

Name	Type	Required	Description
schemaInput	textarea	Yes	—
sourceFormat	select	No	—
rootSchemaName	text	No	—
namingStyle	select	No	—
outputMode	select	No	—
includeDescriptions

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-json-schema-to-zod-schema-converter": {
      "name": "json-schema-to-zod-schema-converter",
      "description": "Convert JSON Schema JSON/YAML definitions into ready-to-use Zod schemas with nested objects, arrays, enums, and common validation rules",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=json-schema-to-zod-schema-converter",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "json-schema-to-zod-schema-converter",
    "arguments": {
  "schemaInput": "{\n  \"type\": \"object\",\n  \"required\": [\"email\"],\n  \"properties\": {\n    \"email\": { \"type\": \"string\", \"format\": \"email\" },\n    \"age\": { \"type\": \"integer\", \"minimum\": 18 }\n  }\n}",
  "sourceFormat": "json",
  "rootSchemaName": "userSchema",
  "namingStyle": "camel",
  "outputMode": "schema-and-type",
  "includeDescriptions": true
}
  }
}

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