Guides, tutorials, and insights on monitoring and improving your AI agents in production.
A step-by-step tutorial covering distributed tracing, automated evaluations, user feedback, semantic search, A/B testing, and more — all with runnable code examples in JavaScript and Python.
Read moreAuto-instrument your LLM calls with three lines of setup. No manual spans, no token counting — just initialize Foil's OTEL integration and every OpenAI, Anthropic, and Cohere call is traced automatically.
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