One-click Bitcoin Lightning networks for local app development & testing
Latest release v4.0.0 — Polar v4.0.0 · 6 Jan 2026
2 files for GitHub Copilot and Claude Code: polar copilot-instructions.md, polar CLAUDE.md — 3,710 tokens loaded in every session.
.github/copilot-instructions.md A 1,129 tok CLAUDE.md A 2,581 tok These files are jamaljsr/polar's own configuration — they tell GitHub Copilot and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.