NVIDIA/NeMo-Relay is a runtime and library that gives coding agents and applications shared control over agent execution scopes, policies, plugins, lifecycle events, and observability data. It is for developers who need to inspect or instrument runs from agents such as Codex or Claude Code, or integrate frameworks and export traces and trajectories. The catalogue entries provide Relay plugins, hooks, instructions, skills, and an MCP server for those workflows.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/nvidia/nemo-relay/contribute-integrationnpx skills add NVIDIA/NeMo-Relay --skill contribute-integrationgit clone --depth 1 https://github.com/NVIDIA/NeMo-RelayWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/nvidia/nemo-relay/contribute-integration)<a href="https://agentmods.dev/skills/nvidia/nemo-relay/contribute-integration"><img src="https://agentmods.dev/badge/skills/nvidia/nemo-relay/contribute-integration.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00019 | $0.00285 |
| Opus 5 | $0.00010 | $0.00143 |
| Sonnet 5 | $0.00004 | $0.00057 |
| Haiku 4.5 | $0.00002 | $0.00028 |
Grade A, and why
contribute-integration scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Contribute A Framework Integration
Companion Guidance
Use karpathy-guidelines alongside this skill for implementation or review
work. Keep changes scoped, surface assumptions, and define focused validation
before editing.
Use this skill when contributing an integration with a framework or plugin such as LangChain, LangGraph, Deep Agents, or OpenClaw through its public APIs.
Default Guidance
- Keep NeMo Relay optional
- Use stable, documented framework or plugin APIs
- Wrap tool and LLM paths at the correct framework boundary
- Preserve the framework's original behavior when NeMo Relay is absent
Checklist
- Integration pattern follows
docs/integrate-into-frameworks/adding-scopes.mdx - Integration uses public framework or plugin APIs
- Managed tool adapters return
ToolExecutionResultto Relay and unwrap.resultonly at the framework boundary; opaque annotations are preserved through forwarding execution intercepts - Relevant integration tests or smoke path pass
- Docs updated if activation or usage changed
References
docs/integrate-into-frameworks/about.mdxvalidate-change
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 41 lines · 19 tokens per session scan A 4b6a60ad8143
contribute-integration is a skill published in the GitHub repository NVIDIA/NeMo-Relay (162 stars, last pushed today), licensed Apache-2.0. It adds 19 tokens to every session and 285 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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