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Throttle

macOS menu bar app + WidgetKit widget tracking Claude Max and Codex Pro usage limits.

Build

Requires: Xcode 16.4+, macOS 14.0+ (Sonoma), XcodeGen
Generate project: xcodegen generate
Build: xcodebuild -project Throttle.xcodeproj -scheme Throttle -destination 'platform=macOS' build
Test shared lib: cd ThrottleShared && swift test

Architecture

Three targets sharing a Swift Package:

Throttle — menu bar app, owns polling loop
ThrottleWidget — WidgetKit extension, reads App Group store
ThrottleShared — models, API clients, Keychain, App Group store

API Endpoints (internal, undocumented)

Claude: GET https://claude.ai/api/organizations/{org_id}/usage
Codex: GET https://chatgpt.com/backend-api/wham/usage