Build a code-first AI agent eval harness in 2026 that scores task completion, tool selection, cost, latency, safety, and determinism — with CI gates and a 30-payload safety corpus.
Stop LLM API costs from spiraling. A practical guide to rate limiting, per-user token budgets, exact-match caching, and cost dashboards with a deployable open-source proxy.
Step-by-step TypeScript tutorial to build an AI agent eval harness with CI gating. Score task completion, tool selection, cost, latency, safety, and determinism end-to-end.
Build and deploy an LLM API proxy with per-key rate limiting, token budgets, exact-match caching, cost dashboards, and webhook alerting using TypeScript and SQLite.