JSON Query MCP

by mgraczyk

11 300 downloads Not rated yet
GitHub

About

An MCP server that gives AI agents tools to query large JSON files

Explore

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

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

  1. Download and install Highlight from highlightai.com/download
  2. Navigate to the plugins tab and select "Add Custom Plugin"
  3. Configure the plugin with the settings below
    Plugin Name JSON Query MCP
    Command (node, npx, python, etc.)

    Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.

  4. Enable "Start Automatically" if you want the plugin to start when Highlight launches

From the repository

npx json-query-mcp

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

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

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "json query mcp": {
            "json-query": {
                "command": "npx",
                "args": [
                    "json-query-mcp"
                ]
            }
        }
    }
}

McpServers

{
    "json-query": {
        "command": "npx",
        "args": [
            "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)

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


Development

bash

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