claude-agent-sdk

https://github.com/ya-luotao/claude-agent-sdk-ruby

Unofficial Ruby SDK for the Claude Code agent runtime: one-shot queries and bidirectional sessions, in-process custom tools, hooks and permission callbacks. Includes Rails integration (Railtie, install generator, CLI-vendoring rake task, executor-aware callback wrapper), a pinned CLI installer, OpenTelemetry tracing, and session transcript mirroring. Not affiliated with or officially maintained by Anthropic.