legion

Use when subscribing sessions to Envoy topics, sending agent-to-agent messages, or reasoning about topic formats for Slack/GitHub/agent routing.

Use when coordinating Legion workers across issues, dispatching workers, monitoring progress, or routing triage items

Use when dispatched by Legion controller to work on an issue in a jj workspace

OpenCode serve HTTP API reference. Use when interacting with sessions, reading messages/todos, aborting workers, managing workspaces, or any direct OpenCode serve API call. Each `opencode serve` process is independent with its own port; Legion runs one shared serve per daemon (default port 13381, may differ if multiple daemons coexist on the host).

Capture learnings from completed work via dual-perspective retrospective. Invoked by resuming an implement worker session — the implementer has full context, and a fresh subagent provides an outside view.

Manage GitHub issues via Projects V2. Use when LEGION_ISSUE_BACKEND=github.

Research institutional knowledge before escalating questions to users. Check docs/solutions/ and codebase patterns before asking humans.

Manage Linear issues. Use when working with tasks, tickets, bugs, or Linear.