# VibezCheck

> VibezCheck is a TypeScript SDK for AI cost monitoring and LLM usage metering.

## Product

VibezCheck calculates provider cost from AI model usage and lets applications attribute, control, and report AI spending.

- Homepage: https://vibezcheck.app/
- Docs: https://vibezcheck.app/docs
- Quickstart: https://vibezcheck.app/docs/quickstart
- npm: https://www.npmjs.com/package/vibezcheck

## Core capabilities

- AI request cost calculation
- LLM usage metering
- Customer attribution
- Model pricing catalog
- Request cost limits
- AI agent session budgets
- Tool cost tracking
- Usage events
- Database sinks
- React usage UI

## Integrations

- Vercel AI SDK
- OpenAI
- Anthropic
- Google Gemini
- Supabase
- Custom databases
- Stripe / Metronome via application-level usage events

## Important behavior

- Core package is designed with zero external runtime dependencies.
- VibezCheck does not require model traffic to be routed through a VibezCheck proxy.
- Cost calculations can use a bundled offline pricing catalog.
- Prompt and completion storage is not required for cost calculation.