JSON5

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect JSON5 to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "json5": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-json5"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Parses and stringifies JSON5, a relaxed JSON format supporting comments and trailing commas.

Indexed Date

7/21/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for JSON5

JSON5 is a relaxed superset of JSON, designed to be easier for humans to write and maintain, especially for configuration files. It extends standard JSON with features like comments, unquoted keys, single-quoted strings, and trailing commas, which plain JSON does not support.

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