Show HN: CodeBurn – Analyze Claude Code token usage by task

CodeBurn is an open-source tool for analyzing token usage and costs across multiple AI coding assistants including Claude Code, OpenAI Codex, Cursor, and GitHub Copilot. It provides an interactive TUI dashboard showing cost breakdowns by task type, tool, and project, plus tracks first-try success rates for different activity types. The tool works locally without API keys or proxies.