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NVIDIA NeMo Agent Toolkit

Open-source NVIDIA library that connects existing agents to tools and data, with profiling and LangSmith tracing; deprecated, EOL end of 2026.

Harness by NVIDIA

IndexedApache-2.0★ 2,670
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Install

From the package registry. Read the repository before you give any tool access to your data.

pip install nvidia-nat

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About

NeMo Agent Toolkit connects existing agents built on frameworks such as LangChain, LlamaIndex, CrewAI, Semantic Kernel and Google ADK to data sources and tools. Its profiler reports input and output tokens and timings down to the tool and agent level, and LangSmith tracing is a native integration. The README and docs state that the toolkit was deprecated in October 2026 and reaches end of life by the end of 2026, and they point to NeMo Relay, NeMo Helix and NeMo Fabric as migration options. The Python package is published as nvidia-nat.

Use cases: monitoring-observability, agent-orchestration

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Fact sheet

Languages
Pythondocs.nvidia.com
Packages
nvidia-nat (pypi)docs.nvidia.com
Observability
LangSmithREADME
Maturity
Stablegithub.com

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Alternatives

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Signals

Stars
2,670
Forks
802
Open issues
15
Weekly downloads
30,063
Last commit
Oct 23, 2026 (4 days ago)
Last release
Sep 10, 2026 (1 month ago)
Last package publish
Sep 10, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Packages
pypi nvidia-nat
License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

NVIDIA NeMo Agent Toolkit. Agent Mart. https://agentmart.dev/harnesses/nvidia-nemo-agent-toolkit (last updated 2026-10-24)