# Catalogue

> Public catalogue components.

JSON: https://leyline.ahensya.com/api/v1/components

- [Firecrawl](https://leyline.ahensya.com/components/firecrawl.md): Crawl and extract clean page content for LLM pipelines. A common agent research tool and a Leyline evidence source class.
- [LlamaIndex](https://leyline.ahensya.com/components/llamaindex.md): Data framework for retrieval and agents. Memory and index slices, not a whole 'RAG product' box.
- [Build software better, together](https://leyline.ahensya.com/components/build-software-better-together.md): ## Here are 48 public repositories matching this topic...
- [telemetry.dev](https://leyline.ahensya.com/components/telemetry-dev.md): Hosted observability for AI/LLM apps. Product line: every model call, tool step, and retrieval in one OpenTelemetry trace, with tokens, cost, latency, and errors. Ingest via TypeScript or Python SDKs, or any OTLP exporter. Cost is computed server-side against 4700+ models.