CodeBurn: free, local-first cost tracker for 31 AI coding tools
CodeBurn (getagentseal/codeburn) reads the session files your AI coding tools already write, breaks down every token and dollar across 31 integrations, MIT, no proxy, no API key.
ponytail: MIT YAGNI skill cuts AI agent code by 80–94%
Dietrich Gebert's ponytail v4.6.0 (2026-06-15): 17.9k stars, 8 releases in 4 days. MIT YAGNI skill for Claude Code, Codex, OpenCode, Cursor, Aider, Kiro. Benchmark: 80–94% less code, 47–77% lower cost.