Month: 2026-03 | NVIDIA/NeMo-Agent-Toolkit - concise monthly summary focusing on delivered features and impact. Key features delivered: - Added ATIF-native evaluators for runtime metrics: avg_llm_latency, avg_workflow_runtime, avg_num_llm_calls, avg_tokens_per_llm_end. These run in ATIF lane when the eval pipeline uses ATIF trajectories (commit f51c41ce2ed431080354ccce805c480cbb993981; PR #1791). - Integrated evaluators into the ATIF registration path with unified concurrency handling to ensure reliable, parallel evaluation. - Expanded test coverage for parsing, per-item and batch evaluation, edge cases, and registration wiring. - Updated Dynamo integration READMEs to correct support-matrix links and reflect the new evaluators. Major bugs fixed (associated with this feature work): - Ensured evaluators execute in the ATIF lane when the evaluation pipeline uses ATIF trajectories, eliminating misrouted evaluations. - Improved registration wiring and concurrency handling to prevent race conditions and improve stability in the evaluation pipeline. - Added comprehensive tests to validate parsing, per-item and batch evaluation, edge cases, and wiring correctness, increasing reliability. - Documentation updates to reflect changes and maintain alignment with the support matrix. Overall impact and accomplishments: - Significantly improved runtime observability and telemetry for NeMo Agent Toolkit through native evaluators, enabling data-driven performance optimizations (latency, workflow duration, LLM call counts, tokens per end). - Strengthened reliability of the evaluation pipeline with targeted tests and robust wiring, reducing future regressions. - Business value: faster diagnosis of latency bottlenecks, better capacity planning, and measurable metrics to drive optimization and SLO alignment. Technologies/skills demonstrated: - ATIF native evaluators, runtime metrics extraction, and integration into an evaluation pipeline. - Python-based evaluator implementations and registry/concurrency design. - Test automation (unit/integration tests for parsing, per-item/batch evaluation, and wiring). - Documentation and Dynamo integration updates to reflect architectural changes.