json-mcp-server

Integrations

  • Integrates with GitHub Copilot agent in VS Code to provide JSON manipulation capabilities through the Model Context Protocol.

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.

Claude Desktop

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

Installation Server

npx -y @smithery/cli install @VadimNastoyashchy/json-mcp --client claude
Install globally
npm install -g json-mcp-server@latest
Run after global installation
json-mcp-server
npx json-mcp-server@latest

You must be authenticated.

A
security – no known vulnerabilities
A
license - permissive license
A
quality - confirmed to work

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

json-mcp-server

  1. Key Features
    1. Demo
      1. Use Cases (available tools)
        1. split
        2. merge
      2. Configuration
        1. Installation Server
          1. Install globally
          2. Run after global installation
          3. Using npx with latest version (recommended)

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