MCP Servers

JSON Query MCP

A Model Context Protocol server for querying large JSON files using JSONPath expressions, enabling LLMs to efficiently search and extract information from large JSON data.

README

JSON Query MCP

A Model Context Protocol (MCP) server for querying large JSON files. This server provides tools for working with large JSON data that can be used by LLM models implementing the Model Context Protocol.

Features

Query JSON files using JSONPath expressions
Search for keys similar to a query string
Search for values similar to a query string

Example

Here is an example of the Cursor Agent using the tool to read a a very large (>1M character) JSON Swagger definition, and extracting a small portion to write a typescript interface.

Example

Usage

npx json-query-mcp

Installation in Cursor

Add the following to your cursor mcp json (on macOS this is /Users/$USER/.cursor/mcp.json)

{
  "mcpServers": {
    ... other mcp servers
    "json-query": {
      "command": "npx",
      "args": [<local path to this repo>],
    },
  }
}

Development

# Run in development mode
npm run dev

# Run tests
npm test

# Format code
npm run format

# Lint code
npm run lint

# Fix lints
npm run fix

License

MIT

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