# Foil

> Foil is an observability platform for AI agents. Add distributed tracing, real-time alerting, evaluations, and analytics to your LLM-powered applications with 3 lines of code.

## Docs

- [Full Integration Guide](https://docs.getfoil.ai/llms-full.txt): Complete SDK integration reference in plain text — everything a coding agent needs
- [JavaScript SDK](https://docs.getfoil.ai/sdks/javascript/index): Full JavaScript SDK docs
- [Python SDK](https://docs.getfoil.ai/sdks/python/index): Full Python SDK docs
- [Quickstart](https://docs.getfoil.ai/quickstart): 5-minute getting started guide
- [Vercel AI SDK](https://docs.getfoil.ai/sdks/javascript/vercel-ai): Vercel AI integration
- [SDK Overview](https://docs.getfoil.ai/sdks/overview): Feature comparison

## Optional

- [Traces & Spans](https://docs.getfoil.ai/concepts/traces-and-spans)
- [Signals & Feedback](https://docs.getfoil.ai/concepts/signals)
- [Alerting](https://docs.getfoil.ai/features/alerting)
- [API Reference](https://docs.getfoil.ai/api-reference/introduction)