AI agents are powerful but invisible. When they fail, you get an error — not a reason. Kōan streams every agent event live — reasoning, tool calls, decisions, errors — tagged and timed. → Anthropic, OpenAI, Gemini + any custom LLM → Add DeepSeek, Mistral, Ollama via custom provider → Per-agent model selection → BYOK — keys never stored → No signup needed Free to start. Just add your API key and run.