One-click MCP install for Claude Desktop (skip the JSON)

If you've ever set up an MCP server for Claude Desktop, you've edited claude_desktop_config.json by hand. Find the file. Figure out the right keys. Add a command, an args array, restart Claude. If you got the JSON wrong, Claude silently fails to load and you wonder why nothing works. There's a better way, and almost nobody knows it exists. .mcpb — Desktop Extension format Anthropic ships a format called MCPB — a packaged MCP server you install like any native app. Think .dmg on macOS or .exe on