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Agent Orchestrator

Source

A lightweight orchestration layer for multi-agent LLM applications. Handles agent lifecycle management, inter-agent communication, and provides structured logging via OpenTelemetry.

Key features

  • Declarative agent definitions using YAML configuration
  • Built-in retry logic with exponential backoff for LLM API calls
  • Shared memory via Redis for cross-agent state management
  • Trace propagation across agent boundaries for end-to-end observability

Architecture

The orchestrator uses an event-driven architecture. Each agent runs as an independent coroutine, communicating through a central message bus. This design keeps agents loosely coupled while maintaining the ability to coordinate complex multi-step workflows.

Lessons learned

Building reliable multi-agent systems requires treating LLM calls as unreliable network calls. The same patterns that make distributed systems robust --- circuit breakers, bulkheads, timeouts --- apply directly to agent orchestration.