Cost Guardian

API cost guardian for AI agents. Track spending, enforce limits, prevent runaway costs. Essential for any agent making paid API calls.

Track AI API costs across OpenAI, Anthropic, Google AI with budget alerts, analytics, and optimization tips

Tracks LLM API costs in real-time, enforces budget limits with circuit breakers, and enables autonomous agent payments via the x402 protocol.

Track and analyze token usage and costs across AI providers with budget alerts, model cost comparison, optimization tips, and local data storage.

AI spending monitor — track costs across OpenRouter models with daily, weekly, and monthly reports. Budget limits with alerts, per-model analysis, savings re...

Track and analyze AI session cost-to-value by logging task, value, and token use to optimize productivity and reduce wasted effort.