What is Json Mcp

json-mcp is a Model Context Protocol (MCP) server that allows large language models (LLMs) to interact with JSON files by enabling operations such as splitting, merging, and querying specific data based on conditions.

Use cases

Common use cases for json-mcp include splitting a large JSON file into smaller parts, merging smaller JSON parts into a single file, and finding specific data within JSON files based on defined conditions.

How to use

To use json-mcp, you can install it globally via npm or use npx to run the latest version. After installation, you can configure it in your environment, such as VS Code, to work seamlessly with tools like GitHub Copilot.

Key features

Key features of json-mcp include being fast and lightweight, as well as being friendly for LLMs, which enhances the efficiency of data manipulation tasks.

Where to use

json-mcp can be used in various fields that require data processing and manipulation, particularly in software development, data analysis, and machine learning applications.

JSON MCP

The Model Context Protocol (MCP) server empowers LLMs to efficiently interact with JSON files. With JSON MCP, you can split, merge, and find specific data, validate within JSON files based on defined conditions.

---

---

🌟 Key Features

✅ Fast and lightweight
✅ LLM-friendly functionality

---

🎥 Demo

Below is a demo showcasing the split functionality:

---

🔧 Use Cases (Tools)

1. split

Split a JSON file into a specified number of objects.

Note: The file path must be provided.

Prompt Example:

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

2. merge

Merge JSON files into a one JSON file

Note: The folder path should be provided

Prompt Example:

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

---

⚙️ Configuration

VS Code Manual Configuration

To configure the JSON MCP server manually in VS Code, update the User Settings (JSON) file:

{
  "mcp": {
    "servers": {
      "json-mcp-server": {
        "command": "npx",
        "args": [
          "json-mcp-server@latest"
        ]
      }
    }
  }
}

Installation in VS Code

You can install the JSON 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.

Claude Desktop

To install json-mcp for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @VadimNastoyashchy/json-mcp --client claude

---

⚙️ 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