Free, open-source, offline-first workout and nutrition tracker for Android, iOS and web. No account, no ads, data stays on your device. Optional AI coaching with your own API key, plus cycle tracking. React Native + Expo, GPL-3.0.
Latest release 2.15.5 · 4 Nov 2026
28 files for Claude Code, GitHub Copilot and Codex: expo-tailwind-setup, native-data-fetching, thermo-nuclear-code-quality-review, upgrading-expo and 24 more — 22 tokens loaded in every session.
.github/copilot-instructions.md A 22 tok .claude/skills/expo-tailwind-setup/SKILL.md A 27 tok .claude/skills/native-data-fetching/SKILL.md B 49 tok .claude/skills/thermo-nuclear-code-quality-review/SKILL.md A 54 tok .claude/skills/upgrading-expo/SKILL.md C 16 tok .claude/skills/agent-device/SKILL.md A 69 tok .claude/skills/dogfood/SKILL.md A 55 tok .claude/skills/eas-app-stores/SKILL.md A 94 tok .claude/skills/expo-design-system/SKILL.md A 197 tok .claude/skills/expo-native-ui/SKILL.md A 63 tok .claude/skills/improve-retention/SKILL.md A 129 tok .claude/skills/microinteractions/SKILL.md A 141 tok .claude/skills/mobile-app-ui-design/SKILL.md A 132 tok .claude/skills/personal-trainer/SKILL.md B 115 tok .claude/skills/react-native-best-practices/SKILL.md A 60 tok .claude/skills/react-native-testing/SKILL.md A 134 tok .claude/skills/schoenfeld-hypertrophy/SKILL.md A 61 tok .claude/skills/ux-heuristics/SKILL.md A 122 tok .agents/skills/deslop-musclog/SKILL.md A 107 tok .agents/skills/deslop-ui/SKILL.md A 158 tok .agents/skills/mobile-design/SKILL.md A 110 tok .claude/skills/mobile-design-review/SKILL.md A 111 tok .claude/skills/mobile-design-system/SKILL.md A 127 tok .claude/skills/mobile-nav-plan/SKILL.md A 99 tok .claude/skills/mobile-redesign-app/SKILL.md A 114 tok .claude/skills/mobile-redesign-screen/SKILL.md A 114 tok .claude/skills/mobile-taste/SKILL.md A 109 tok .claude/skills/update-ai-models/SKILL.md A 98 tok These files are blopa/musclog-app's own configuration — they tell Claude Code, GitHub Copilot and Codex 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.