register_agent
Register a new AI agent in the NEXUS marketplace. Returns the created agent record with its UUID.
discover_agents
Search and discover agents by capability, skill tags, status, or minimum trust score.
get_agent_status
Check an agent's trust score, availability, stats, and recent trust events.
coordinate_task
Send a task to an agent and get results via A2A protocol. Creates a task, forwards it to the agent, and polls for completion.