Desktop app for managing multiple Claude Code configuration profiles.
C2 is an Electron app that lets you switch between multiple Claude Code configurations — API keys, auth tokens, base URLs, model overrides, and advanced settings — without manually editing ~/.claude/settings.json.
- Fully local, no fuss — Runs entirely on your machine, no network required, no background process.
- Multiple profiles — Store unlimited credential profiles.
- One-click switching — Safely rewrite
~/.claude/settings.jsonwith automatic backups (last 5 kept). - Managed env keys —
ANTHROPIC_API_KEY,ANTHROPIC_AUTH_TOKEN,ANTHROPIC_BASE_URL, model overrides (Haiku / Sonnet / Opus), and advanced Claude Code flags. - Preserves unmanaged settings — Any keys C2 doesn't manage are left untouched, so you can still edit them manually.
- Backup & restore — Restore any of the last 5 settings snapshots in one click.
C2 writes these env keys in ~/.claude/settings.json:
| Category | Keys |
|---|---|
| Credentials | ANTHROPIC_API_KEY, ANTHROPIC_AUTH_TOKEN |
| Endpoint | ANTHROPIC_BASE_URL |
| Model | ANTHROPIC_DEFAULT_HAIKU_MODEL, ANTHROPIC_DEFAULT_SONNET_MODEL, ANTHROPIC_DEFAULT_OPUS_MODEL, ANTHROPIC_DEFAULT_FABLE_MODEL, CLAUDE_CODE_SUBAGENT_MODEL |
| Advanced | CLAUDE_AUTOCOMPACT_PCT_OVERRIDE, CLAUDE_CODE_AUTO_COMPACT_WINDOW, CLAUDE_CODE_MAX_OUTPUT_TOKENS, CLAUDE_CODE_DISABLE_1M_CONTEXT, CLAUDE_CODE_DISABLE_ATTACHMENTS, CLAUDE_CODE_ENABLE_AUTO_MODE, CLAUDE_CODE_ATTRIBUTION_HEADER |
Download the latest installer for your platform from the Releases page:
- macOS —
.dmg(arm64 or universal) or.zip - Windows — Squirrel installer (
.exe) - Linux —
.deb
Or use Homebrew:
brew install geekdada/tap/c2 --cask
xattr -d com.apple.quarantine /Applications/C2.app~/.config/c2-app— Config directory~/.claude/settings.json— Claude Code settings (managed target)
Requires Node.js 20+ and pnpm 10+.
pnpm install
pnpm dev # Start Electron (hot-reload)
pnpm typecheck # TypeScript strict check
pnpm lint # oxlint
pnpm format # oxfmt
pnpm test # Unit tests (vitest)
pnpm test:e2e # Playwright e2e tests
pnpm make # Build distributable installersRun a single test file: pnpm vitest run path/to/file.test.ts
- Shell: Electron 41 + Electron Forge + Vite
- UI: React 19, React Router, Zustand, HeroUI v3, Tailwind CSS v4
- Forms & validation: TanStack React Form + Zod
- Tests: Vitest (jsdom) + Playwright