ai-cost-guard.

Open-source TypeScript guardrails for AI applications — block risky prompts, enforce budgets before model calls, and control multi-tenant LLM spend. Published on npm.

• Pre-call budget enforcement with hard/soft limits and tenant-level quotas for multi-tenant SaaS
• Secret and PII detection that blocks risky prompts before they reach the model
• Webhook alerts, spend tracking, and ROI reports — deployable via Docker or Kubernetes