claude-agent-sdk-ruby

Implement or modify Ruby code using the claude-agent-sdk gem. Covers query() one-shot calls, Client-based interactive sessions, streaming input, all 27 hook events, permission callbacks, SDK MCP servers, structured output, bare mode, full sandbox settings (network + filesystem), all 26 message types (including tool_progress, auth_status, prompt_suggestion, hook lifecycle, compact_boundary, session_state_changed, mirror_error, task_updated), session browsing/mutations, SessionStore transcript mirroring to external storage (S3/Redis/Postgres) with store-backed resume, subagents, file checkpointing, Rails integration, and custom transports. Use this skill whenever the user mentions claude-agent-sdk, Claude Agent Ruby, building AI agents in Ruby, or integrating Claude Code into a Ruby/Rails application.

Port features from the official Python claude-agent-sdk to this Ruby gem for parity. Use when syncing with a new Python SDK release, running a gap analysis, or batching parity fixes.