net.programmes/developer-tools

Official

65+ free in-browser developer tools (JSON, Base64, JWT, hash, regex…) callable over MCP.

65+ in-browser developer tools for JSON, Base64, JWT, hashing, and regex operations.

Install

claude_desktop_config.json

{
  "mcpServers": {
    "developer-tools": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://programmes.net/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.