SPANLENS

TypeScript, Python, Node.js, Next.js, Hono, ClickHouse, Supabase/Postgres, OpenAI/Anthropic/Gemini APIs, OpenTelemetry

ClickHouse for high-volume LLM logs, Vercel Edge runtime patterns, OpenTelemetry gen_ai semantic conventions, and LLM-as-judge evaluation methodologies.

Spanlens - an open-source LLM observability platform (Helicone/Langfuse alternative). Drop-in OpenAI/Anthropic/Gemini proxy with cost tracking, agent tracing, and anomaly detection.

OSS collaborations on LLM observability, conversations about LLM cost optimization, prompt versioning workflows, or anything around shipping production LLM infra.