json-mcp-server

JSON MCP

A Model Context Protocol (MCP) server enables LLMs to interact with JSON file/s (split, merge, find specific data within conditions)

Key Features

• Fast and lightweight
• LLM-friendly

Demo

Use Cases (available tools)

split

Split a JSON file into a specified number of objects

! path to the file should be provided

prompt example:

Split json file from /Users/json-mcp/tests/merged.json
5 objects per file

merge

Merge JSON files into a one JSON file

! path to the folder should be provided

prompt example:

Merge json files from /Users/json-mcp/tests

Configuration

VS Code manual configuration

// User Settings (JSON)
  "mcp": {
    "servers": {
      "json-mcp-server": {
        "command": "npx",
        "args": ["json-mcp-server@latest"]
      }
    }
  },

Installation in VS Code

You can install the Playwright MCP server using the VS Code CLI:

# For VS Code
code --add-mcp '{"name":"json-mcp-server","command":"npx","args": ["json-mcp-server@latest"]}'

After installation, the JSON MCP server will be available for use with your GitHub Copilot agent in VS Code.

Installation Server

Install globally

npm install -g json-mcp-server@latest

Run after global installation

json-mcp-server

Using npx with latest version (recommended)

npx json-mcp-server@latest