Json To Typescript

Data REST API MCP

Generate TypeScript interfaces or type aliases from a JSON sample. Nested objects become named declarations (or inline object types), arrays infer element unions, and identical shapes are declared once.

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

Use in the browser View as Markdown

Call it over MCP

Tool name findutils:json_to_typescript · 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_typescript",
      "arguments": {
        "json": "{\"id\":1,\"user\":{\"name\":\"A\"}}"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
json	string	yes	JSON sample (an object, or an array of objects).
root_name	string	no	Name of the root type. Default: "Root". Default: "Root".
output_type	string (interface \| type)	no	"interface" or "type" (type alias). Default: "interface". Default: "interface".
naming_convention	string (pascal \| camel)	no	Type-name casing: "pascal" or "camel". Default: "pascal". Default: "pascal".
make_optional	boolean	no	Mark every property optional with "?". Default: false. Default: false.
add_export	boolean	no	Prefix declarations with "export". Default: true. Default: true.
inline_nested_objects	boolean	no	Write nested objects inline instead of as separate declarations. Default: false. Default: false.

Example arguments (verified)

{
  "json": {
    "id": 1,
    "user": {
      "name": "A"
    }
  }
}

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-typescript/execute — no key, 60 requests/min.

Open the REST reference for Json To Typescript →

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.