Json To Python Class

Data REST API MCP

Generate Python class source code from a JSON object as a dataclass, a Pydantic model, or a plain class. Nested objects become separate classes, field names become snake_case, and type hints are optional.

This page documents the MCP tool findutils:json_to_python_class. See the REST reference →

Use in the browser View as Markdown

Call it over MCP

Tool name findutils:json_to_python_class · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "json_to_python_class",
      "arguments": {
        "json": "{\"userId\":1,\"firstName\":\"A\",\"tags\":[\"x\"]}"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
json	string	yes	JSON object to convert (the root must be an object).
class_name	string	no	Name of the root class. Default: "Root". Default: "Root".
class_type	string (dataclass \| pydantic \| plain)	no	Class style: "dataclass", "pydantic", or "plain". Default: "dataclass". Default: "dataclass".
add_type_hints	boolean	no	Add type hints (str, int, List[...], Optional[Any]). Default: true. Default: true.
generate_init	boolean	no	For class_type "plain": generate an __init__ method. Default: true. Default: true.

Example arguments (verified)

{
  "json": {
    "userId": 1,
    "firstName": "A",
    "tags": [
      "x"
    ]
  }
}

Arguments that carry JSON as a string are shown decoded for readability. The Copy button copies the exact wire arguments.

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/json-to-python-class/execute — no key, 60 requests/min.

Open the REST reference for Json To Python Class →

More Data tools

Api Docs Generator

Return API documentation generated from a list of endpoints, as Markdown (with table of contents, request/response examples) or as an OpenAP

Csv To Json

Parse CSV text into an array of objects keyed by the header row.

Graphql To Typescript

Convert a GraphQL SDL schema into TypeScript type definitions and return the generated code with counts of emitted types, enums, and inputs.

Html Table To Json

Convert an HTML <table> into JSON — an array of objects keyed by the header row, or an array of row arrays.

Jq Playground

Returns the result of running a jq-style filter over a JSON document.

Json Comparer

Returns a git-style line diff of two JSON documents after both are pretty-printed with 2-space indentation.

Json Diff

Returns the semantic differences between two JSON documents as a list of added, removed and modified paths with their old and new values, pl

Json Faker

Returns an array of fake JSON records built from a field list, for testing and prototyping.