# RunAgain

> Observe and evaluate your agents — traces, eval scores, and regression diffs.

## Docs

- [Annotations](https://docs.runagain.ai/app/annotations.md): Human review queues for scoring traces.
- [Datasets](https://docs.runagain.ai/app/datasets.md): Manage evaluation datasets and items in the app.
- [Experiments](https://docs.runagain.ai/app/experiments.md): Run a prompt or agent over a dataset and score the results.
- [Projects](https://docs.runagain.ai/app/projects.md): Workspaces that isolate traces, datasets, experiments, and keys.
- [Settings & API keys](https://docs.runagain.ai/app/settings.md): Project credentials and ingest configuration.
- [Traces](https://docs.runagain.ai/app/traces.md): Inspect every run, span, token and cost.
- [Datasets](https://docs.runagain.ai/concepts/datasets.md): Curated inputs and expected outputs to evaluate against.
- [Drift detection](https://docs.runagain.ai/concepts/drift.md): Catch quality, latency, and cost drifting from baseline before users feel it.
- [Evaluations](https://docs.runagain.ai/concepts/evaluations.md): Score your agent's runs with LLM-judge, assertion, rubric, and dataset methods.
- [Observability](https://docs.runagain.ai/concepts/observability.md): Traces, spans, and observation types in RunAgain.
- [RunAgain](https://docs.runagain.ai/index.md): Observe and evaluate your agents. Traces, eval scores, and regression diffs — straight to your dashboard and CLI.
- [Claude Agent SDK](https://docs.runagain.ai/integrations/claude-agent-sdk.md): Wrap a Claude Agent SDK harness with RunAgain tracing.
- [Claude Code (CLI)](https://docs.runagain.ai/integrations/claude-code.md): Trace your terminal Claude Code sessions in RunAgain — no code changes.
- [OTLP endpoint reference](https://docs.runagain.ai/integrations/otlp.md): Send OpenTelemetry traces and Claude Code log-events to RunAgain from any stack.
- [Vercel AI SDK](https://docs.runagain.ai/integrations/vercel-ai-sdk.md): Instrument a Vercel AI SDK app with OpenTelemetry export to RunAgain.
- [Quickstart](https://docs.runagain.ai/quickstart.md): Create a project, get an API key, and send your first trace.