OpenShell: Skill for Claude Code

.agents/skills/sbom/SKILL.md

sbom is a skill for Claude Code, Codex from NVIDIA/OpenShell. It costs 79 tokens per session (1,372 once invoked), scanned A, original, Apache-2.0.

Tools for creating a Software Bill of Materials (SBOM), an inventory of the software components and licenses used by a project. They produce CycloneDX or SPDX records and can export results to CSV for review.

In plain words
What is it for?
Use them to generate release SBOMs, look up licenses for Rust, JavaScript, and Python packages, inspect image SBOMs, and prepare CSV files for stakeholders.
Why use it?
They help identify project dependencies and resolve missing license information before compliance reviews or releases.

Skill for Claude CodeCodex ✓ vendor

Which agent this was written for is unclear — built for openclaw. Also seen: installed under .agents/ (shared by several agents); built for openclaw.

This is NVIDIA/OpenShell's own configuration. It tells Claude Code and Codex how to work on OpenShell itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything OpenShell configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is uv run python deploy/sbom/resolve_licenses.py /path/to/external-sbom.json.

About the project

OpenShell is a runtime for autonomous AI agents that executes them in sandboxed environments governed by declarative policies. It is used to restrict agents' access to files, credentials, data, and network resources, and the catalogue includes skills and workflows for operating and contributing to it.

NVIDIA/OpenShell · 21,172 stars · on GitHub · docs.nvidia.com

Reuse

Borrowing it

Nothing to install: this file belongs to NVIDIA/OpenShell. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/NVIDIA/OpenShell/main/.agents/skills/sbom/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/NVIDIA/OpenShell

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.

agentmods badge for sbom

README.md
[![agentmods](https://agentmods.dev/badge/skills/nvidia/openshell/sbom/github.svg)](https://agentmods.dev/skills/nvidia/openshell/sbom)
Your own site
<a href="https://agentmods.dev/skills/nvidia/openshell/sbom"><img src="https://agentmods.dev/badge/skills/nvidia/openshell/sbom/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for sbom

Your own site · 80×15
<a href="https://agentmods.dev/skills/nvidia/openshell/sbom"><img src="https://agentmods.dev/badge/skills/nvidia/openshell/sbom.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 79 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,372 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00079 $0.01372
Opus 5.5 $0.00032 $0.00549
Sonnet 5.5 $0.00016 $0.00274
Haiku 4.5 $0.00008 $0.00137

Measured 18d ago against content hash 711b71967940, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sbom 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 18d 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.

.agents/skills/sbom/SKILL.md · 149 lines

How it starts

The opening of the file, as written. The whole thing — 149 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SBOM Generation and License Resolution

Generate CycloneDX SBOMs, resolve missing licenses, and export to CSV for compliance review.

Overview

The OpenShell SBOM tooling produces source-tree CycloneDX JSON SBOMs using Syft, resolves missing or hash-based licenses by querying public registries (crates.io, npm, PyPI), and exports the results to CSV for stakeholder review.

SBOMs are release artifacts only -- they are generated on demand and not committed to the repository. Output lands in deploy/sbom/output/ (gitignored).

Pushed gateway, sandbox, and supervisor images carry an SPDX SBOM and minimal SLSA provenance as OCI attestations. Branch E2E, Release Dev, Release, and Pre-release image binaries embed cargo-auditable metadata, so their image SBOMs include linked Rust crates.

Stable Release builds retain images and attestations in OCI archive artifacts. Publication copies every platform and attestation to GHCR with preserved digests, then runs the SBOM verification before updating latest.

Prerequisites

  • mise install has been run (installs Syft and other tools)
  • The repository is checked out at the root

Inspecting an Image SBOM

BuildKit uses its default Syft scanner and attaches one SPDX document per platform. Read one without pulling the image:

docker buildx imagetools inspect ghcr.io/nvidia/openshell/gateway:latest \
  --format '{{ json (index .SBOM "linux/amd64").SPDX }}'

Validate the final attestation, requiring a Cargo package for an auditable image:

tasks/scripts/verify-image-sbom.sh ghcr.io/nvidia/openshell/gateway:latest --require-cargo

Inspecting an Auditable Image Binary

Opt into auditable metadata when staging a local image binary:

OPENSHELL_AUDITABLE=1 PREBUILT_ARCH=amd64 \
  tasks/scripts/stage-prebuilt-binaries.sh gateway

Scan the staged binary rather than the source tree:

mise x -- syft \
  "file:deploy/docker/.build/prebuilt-binaries/amd64/openshell-gateway" \
  -o cyclonedx-json

Read the full file on GitHub · 149 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. 18d ago Changed · +4 lines 711b71967940
  2. 22d ago Changed 5bfca89fe50a
  3. 1mo ago Changed 427002c8bf10
  4. 2mo ago Changed · +2 lines c2f235e85ebc
  5. 2mo ago First seen · 143 lines · 79 tokens per session scan A e9f77318c0a3

Subscribe to this mod's changes

sbom is a skill published in the GitHub repository NVIDIA/OpenShell (21,172 stars, last pushed yesterday), licensed Apache-2.0. It adds 79 tokens to every session and 1,372 once invoked, about $0.0003 per session on Opus 5.5. 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.

Related

sbom compared with skills from other repositories

sbom next to 6 skills from other repositories
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sbomNVIDIA/OpenShellSkill21kyesterdayApache-2.0A79Claude Code, Codex
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specification-writingwanshuiyin/Auto-claude-code-research-in-sleepSkill19k3d agoMITA49Claude Code
terms-of-servicegenspark-ai/genofficeSkill12kyesterdayApache-2.0A32Claude Code, Codex
x-scorecardx-cmd/x-cmdSkill4.7k6d agoApache-2.0A57Claude Code, Codex
gesellschaftsrechtliche-satzungen-agbKlotzkette/claude-fuer-deutsches-rechtSkill1.8ktodayApache-2.0A69Claude Code