JSON MCP

MCP server empowers LLMs to interact with JSON files efficiently. With JSON MCP, you can split, merge, etc.

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JSON MCP

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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:

Demo: Split JSON

🔧 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

Install in VS Code

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

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