JSON Tools MCP Server: Install & Setup

Install JSON Tools in Claude Code

Claude Code

claude mcp add json-tools -- npx -y json-tools-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

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

Validate, format, and inspect JSON locally. No network and no key.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add json-tools -- npx -y json-tools-mcp

reactive-resume/reactive-resume

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HeyPuter/puter

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pascalorg/editor

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JanDeDobbeleer/oh-my-posh

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instantdb/instant

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nhost/nhost

Let your users work with their own data through an AI assistant, limited to what they can see.