The Agent Runtime Control Protocol (ARCP) Python SDK implements ARCP v1.1 — a message protocol for autonomous agent job submission, streaming, observability, and lifecycle control.
pip install arcp
# or with uv:
uv add arcpRequires Python 3.11+.
| Getting started | Five-minute end-to-end example |
| Architecture | How the SDK is structured and why |
| Conformance | Which spec sections are implemented |
One guide per ARCP spec section:
| Guide | Spec |
|---|---|
| Sessions | §6 — Session lifecycle |
| Stream resume | §6.3 — Resuming interrupted streams |
| Authentication | §6.1 — Bearer tokens and custom verifiers |
| Jobs | §7 — Submitting and running jobs |
| Job events | §8 — Event kinds and typed payloads |
| Leases | §9 — Cost and time budgets |
| Delegation | §10 — Agent-to-agent trust chains |
| Observability | §11 — Logging, tracing, and metrics |
| Errors | §12 — Typed exceptions |
| Vendor extensions | §15 — Custom x-* fields |
| Transports | In-memory, WebSocket, stdio |
| CLI | arcp serve, submit, tail, replay |
| Troubleshooting | Common errors and fixes |
See recipes.md for a full index of runnable examples.