Core Runtime Capabilities
| Capability | What it gives you | Primary doc | Example or source |
|---|---|---|---|
| Observe mode | Zero-change runtime visibility | /harness/modes | python_harness_quickstart.md |
| Enforce mode | Runtime caps and control actions | /harness/actions | basic_enforcement.py |
| Budget enforcement | Per-run and per-user spend control | /harness/budget-enforcement | user_budget_tracking.py |
| Compliance gating | Model allowlists for policies like GDPR or HIPAA | /harness/compliance | compliance-gating |
| KPI weighting | Trade-offs across quality, cost, latency, and energy | /harness/kpi-optimization | kpi-weighted-routing |
| Energy tracking | Compute-intensity proxy for carbon-aware routing | /harness/energy-tracking | /harness/overview |
| Decision traces | Audit trail for every runtime decision | /harness/decision-trace | harness_telemetry_privacy.md |
Cascade And Integration Capabilities
| Capability | Primary doc | Example or source |
|---|---|---|
| Speculative model cascading | /get-started/how-it-works | examples/basic_usage.py |
| Multi-provider routing | /examples/catalog | examples/multi_provider.py |
| LangChain and LangGraph | /integrations/langchain | examples/integrations/langchain_harness.py |
| OpenAI Agents SDK | /integrations/openai-agents | examples/integrations/openai_agents_harness.py |
| CrewAI | /integrations/crewai | examples/integrations/crewai_harness.py |
| Google ADK | /integrations/google-adk | examples/integrations/google_adk_harness.py |
| Vercel AI SDK | /integrations/vercel-ai | examples/vercel-ai-nextjs |
| n8n | /integrations/n8n | packages/integrations/n8n |