# Last9

> Comprehensive documentation for Last9's observability platform.

Last9 is an observability platform built for high-cardinality telemetry. It offers a developer-first control plane to manage logs, metrics, and traces—supporting OpenTelemetry, Prometheus, and over 100 integrations. With real-time alerting, data pipelines, and AI-native features like the MCP server, Last9 helps engineering teams debug, optimize, and scale systems efficiently.
Our documentation covers everything from getting started to advanced integrations and features.

## Documentation Sets

- [Abridged documentation](https://last9.io/llms-small.txt): a compact version of the documentation for Last9, with non-essential content removed
- [Complete documentation](https://last9.io/llms-full.txt): the full documentation for Last9

## Notes

- The complete documentation includes all content from the official documentation
- The content is automatically generated from the same source as the official documentation