OctoCounts shows the line counts GitHub hides. Paste any public GitHub repository URL for files, code, comments, blanks and per-language totals without cloning. Reports export as text, JSON or PNG, embed as live README badges, and compare side by side across 90 curated repo pairs. Includes a browser extension, CLI, GitHub Action, public API, and an MCP server at https://mcp.octocounts.com/mcp for AI coding agents. Free and open source under MIT.