npa-agent

npa-agent is a skill for Claude Code, Codex from nebius/nebius-physical-ai. It costs 27 tokens per session (8,414 once invoked), scanned A, original, Apache-2.0.

A guide for operating the NPA agent: a public HTTPS workbench with chat, simulation assets, camera panels, a Rerun viewer, and Sim2Real submission hooks. It covers deployment, setup, troubleshooting, and live checks.

In plain words
What is it for?
Use it to deploy or bootstrap an NPA agent VM, verify HTTPS access, investigate chat grounding problems, repair Rerun viewer access, and handle customer sign-in or viewer feedback.
Why use it?
It provides defined procedures for putting an agent VM online, refreshing its credentials, checking that it works, and diagnosing misleading chat or a blank viewer.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Codex.

Not installable: its command points at a path on the author’s own machine, so it runs nowhere else. The line is /home/ubuntu/codex-runs/....

Good fit Use it to deploy or bootstrap an NPA agent VM, verify HTTPS access, investigate chat grounding problems, repair Rerun viewer access, and handle customer sign-in or viewer feedback.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.

Made for: Claude Code, Codex.

Wrote 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.

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README.md
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Your own site · 80×15
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Per session 27 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 8,414 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00027 $0.08414
Opus 5 $0.00014 $0.04207
Sonnet 5 $0.00005 $0.01683
Haiku 4.5 $0.00003 $0.00841

Measured yesterday against content hash 2550e1de18b5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

npa-agent 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 yesterday.

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.

skills/tools/npa-agent/SKILL.md · 669 lines

How it starts

The opening of the file, as written. The whole thing — 669 lines — stays where its author put it; the contents beside it link to each section on GitHub.

NPA Agent VM

The NPA agent is a public HTTPS workbench VM with basic-auth UI, grounded chat, Sim Assets + Cameras panels, embedded Rerun viewer, and Sim2Real submit hooks.

When To Use

  • Deploy, bootstrap, or verify an agent VM (npa agent …)
  • Fresh deploy / teardown loops: load skills/workflows/agent-fresh-operate/SKILL.md
  • Debug chat hallucinations (raw GET /api/… replies) or false “Loaded Franka” messages
  • Fix Rerun iframe black screen (basic auth + wasm fetch)
  • Operate customer HTTPS access and sign-in UX
  • Describe this / viewer feedback: load skills/atomic/agent-visual-feedback/SKILL.md

Bootstrap And Verify

npa/.venv/bin/npa agent fresh-setup --project <alias> --name agent \
  --project-id <project-id> --tenant-id <tenant-id> --region <region> \
  --tf-var ssh_cidr_block=<operator-cidr> \
  --tf-var application_cidr_block=<operator-cidr>
npa/.venv/bin/npa agent bootstrap --project rtxpro --name agent
# Existing agents missing credentials: refresh long-lived npa-agent SA + restage VM env
npa/.venv/bin/npa agent bootstrap --project rtxpro --name agent --refresh-credentials
NPA_AGENT_CHAT_LIVE=1 npa/.venv/bin/npa agent verify-live --project rtxpro --name agent
bash npa/scripts/verify_agent_franka.sh
bash npa/scripts/verify_agent_rerun_bundle.sh
bash npa/scripts/verify_byof_onboarding_live.sh

Audit the capability surface without a VM

Before claiming the agent does or does not support something, render the exact backend.py that bootstrap installs, run it against a sandbox state root, and probe it. No cluster, no VM, no Token Factory call, no quota:

npa/.venv/bin/python npa/scripts/audit_agent_capabilities.py --json audit.json

It reports the registered route count, each parameterless GET's real outcome, and whether every advertised chat intent still matches and produces a grounded reply.

Add --serve-live to probe a real uvicorn backend:app process on loopback, started with the same argument list as the deployed npa-agent-backend systemd unit, instead of driving the ASGI app in-process:

Read the full file on GitHub · 669 lines

Changes

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.

  1. yesterday Changed · +8 lines 2550e1de18b5
  2. 3d ago Changed · +5 lines dc48e0120882
  3. 4d ago Changed · +46 lines 9727b1322be4
  4. 11d ago First seen · 610 lines · 27 tokens per session scan A 3488d73b0b47

Subscribe to this mod's changes

npa-agent is a skill published in the GitHub repository nebius/nebius-physical-ai (28 stars, last pushed today), licensed Apache-2.0. It adds 27 tokens to every session and 8,414 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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