Swival

Tracked against Swival 1.0.14.

Swival is a CLI coding agent with native providers for local inference (lmstudio, llamacpp, huggingface), openrouter, chatgpt, google (Gemini), and bedrock, plus a generic OpenAI-compatible provider for anything else including litellm proxies. It has features other agents lack: a built-in reviewer loop, layered sandboxing (builtin + AgentFS), format-preserving secret encryption, outbound request filtering, A2A server and client, lifecycle hooks, and command middleware. Use it as a delegate for tasks that benefit from these capabilities.

When to reach for Swival

Pick Swival over pi / claude / codex when the task needs a reviewer loop that retries until acceptance passes, OS-enforced filesystem isolation, credential-safe tool output via