What is enforce-sbom?

A skill that adds SBOM policy enforcement to an existing Harness pipeline. An SBOM, or software bill of materials, lists the components inside a software artifact, while OPA policies define rules to evaluate it.

Use it to add enforcement steps to Harness CI, Security, or CD pipelines, including pipelines without a deployment stage, through an interactive setup wizard.

It checks that an artifact has the expected SBOM information and applies existing security rules before delivery or deployment.

enforce-sbom — Skill for Claude Code and Codex by harness

Install

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.

Any agent

npx skills add harness/harness-skills --skill enforce-sbom

Clone the repo

git clone --depth 1 https://github.com/harness/harness-skills

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/harness/harness-skills/enforce-sbom/github.svg)](https://agentmods.dev/skills/harness/harness-skills/enforce-sbom)

Your own site

<a href="https://agentmods.dev/skills/harness/harness-skills/enforce-sbom"><img src="https://agentmods.dev/badge/skills/harness/harness-skills/enforce-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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/harness/harness-skills/enforce-sbom"><img src="https://agentmods.dev/badge/skills/harness/harness-skills/enforce-sbom.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 210 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,789 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 warn 7 Sept 2026

SkillSpector: 2 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

high Data Exfiltration · line 133
Code or instructions that leak agent conversation context to external services, potentially exposing sensitive user interactions.

Fix: Remove any code that sends prompts, responses, or session data externally. Preserve user privacy; never exfiltrate conversation content.
medium Excessive Agency · line 181
Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00210	$0.03789
Opus 5	$0.00105	$0.01895
Sonnet 5	$0.00042	$0.00758
Haiku 4.5	$0.00021	$0.00379

Measured 11d ago against content hash 56fd16209ae5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

enforce-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 11d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

enforce-sbom — 100% identical, 0 lines differ

skills/enforce-sbom/SKILL.md · 340 lines

How it starts

The opening of the file, as written. The whole thing — 340 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Enforce SBOM

Add an SBOM Policy Enforcement (SscaEnforcement / CdSscaEnforcement) step to an existing Harness pipeline. The step verifies SBOM attestations (when enabled) and evaluates SBOM OPA policy sets against the artifact's bill of materials.

This skill only works with existing pipelines — do not create standalone enforcement-only pipelines.

Prerequisites: An SBOM must already exist for the artifact (typically from SscaOrchestration via /create-sbom or SBOM ingestion). SBOM policy sets must exist (/create-policy).

Supported stages: CI, CD (Deployment), and Security — same as SBOM Orchestration. CD requires a containerized step group with container-based execution.

Guide the user through a step-by-step interactive wizard (same UX as /create-sbom):

Wizard: references/interactive-wizard-flow.md
UI ↔ YAML: references/sbom-enforcement-step.md
CD containerized step groups (new or existing Deploy stage): skills/create-sbom/references/cd-containerized-step-group.md

Interaction model (mandatory)

One question per turn — use AskQuestion when available; otherwise numbered options with (Recommended).
Opening message — add SBOM Policy Enforcement to an existing pipeline; mention SBOM + policy set prerequisites.
Progress breadcrumb — after pipeline fetch: Pipeline · Placement · Source · Details · Verify · Policy · Submit
Record answers — running summary; do not re-ask unless the user changes direction.
Fetch before configure — harness_get before placement/source questions.
Show pipeline structure — list stages/steps; highlight SscaOrchestration and connectors.
Infer source from orchestration — when one SBOM generation step exists, reuse its source and image.
Never guess image tags — default to orchestration step image; ask if ambiguous.
Confirm before write — summary + harness_update only after user confirms.
Stop after update — after successful harness_update, provide a configuration summary and point the user to /run-pipeline to execute. Do not call harness_execute, poll executions, or run harness_diagnose in this skill (same pattern as /configure-repo-scan).
CD placement without an existing Deploy stage — if the user chooses CD enforcement (cd_before_deploy, add_cd_stage, or similar) on a CI-only pipeline, do not reject or force CI-only. Run Phase 3b to add a Deployment stage with a containerized step group and CdSscaEnforcement before deploy (same prerequisites as /create-sbom).
Never block CD on “no Deployment stage” — warn in Phase 2, then proceed via Phase 3b when the user wants CD.

Read the full file on GitHub · 340 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

11d ago First seen · 340 lines · 210 tokens per session scan A 56fd16209ae5

Subscribe to this mod's changes

enforce-sbom is a skill published in the GitHub repository harness/harness-skills (105 stars, last pushed yesterday), licensed Apache-2.0. It adds 210 tokens to every session and 3,789 once invoked, about $0.0011 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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enforce-sbom