CLI: serve, agent-context, hook, lsp, dap

rein serve

Serve the agent interface. Holds live runs in memory

Usage: rein serve [OPTIONS]

Options:

• --mcp — Speak MCP on stdio. The only transport today

rein agent-context

Print the block an agent needs to use the visible flows

Usage: rein agent-context [OPTIONS]

Options:

• --format <FORMAT> — Output format

  Default value: text

  Possible values: text, json

rein hook

The agent hook entry point. Reads one event on stdin. Run by the agent, not by hand

Usage: rein hook [OPTIONS]

Options:

• --caller <CALLER> — The agent that sends the event, such as claude-code. Sets polyhook's caller

rein lsp

Run the language server on stdio

Usage: rein lsp

rein dap

Run the debug adapter on stdio (Debug Adapter Protocol). The VS Code extension starts it

Usage: rein dap