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 skills add BagelHole/DevOps-Security-Agent-Skills --skill sbom-supply-chaingit clone --depth 1 https://github.com/BagelHole/DevOps-Security-Agent-SkillsWrote 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/bagelhole/devops-security-agent-skills/sbom-supply-chain)<a href="https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/sbom-supply-chain"><img src="https://agentmods.dev/badge/skills/bagelhole/devops-security-agent-skills/sbom-supply-chain/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.
<a href="https://agentmods.dev/skills/bagelhole/devops-security-agent-skills/sbom-supply-chain"><img src="https://agentmods.dev/badge/skills/bagelhole/devops-security-agent-skills/sbom-supply-chain.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00044 | $0.03209 |
| Opus 5 | $0.00022 | $0.01605 |
| Sonnet 5 | $0.00009 | $0.00642 |
| Haiku 4.5 | $0.00004 | $0.00321 |
Grade C, and why
sbom-supply-chain scanned grade C with 2 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 9d 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.
Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh | sh -s -- -b /usr/local/bin Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh | sh -s -- -b /usr/local/bin How it starts
The opening of the file, as written. The whole thing — 408 lines — stays where its author put it; the contents beside it link to each section on GitHub.
SBOM & Supply Chain Security
Improve release trust with reproducible metadata and verification gates.
When to Use This Skill
Use this skill when:
- Producing SBOMs for container images or application builds
- Verifying dependencies before deploy
- Enforcing signed artifact and provenance policies
- Preparing for SOC2, ISO 27001, or customer security reviews
- Implementing SLSA framework requirements
- Responding to supply chain vulnerabilities (e.g., Log4Shell-style events)
Prerequisites
syftinstalled for SBOM generationcdxgeninstalled for CycloneDX SBOM generationgrypefor vulnerability matching against SBOMscosignv2+ for signing and attestation- Container registry with OCI artifact support
- CI/CD pipeline with OIDC identity for keyless signing
SBOM Formats
CycloneDX vs SPDX Comparison
comparison:
cyclonedx:
standard: "OWASP CycloneDX"
focus: "Application security, vulnerability tracking"
formats: ["JSON", "XML", "Protocol Buffers"]
strengths:
- Vulnerability references (VEX support)
- Service and API dependency tracking
- Hardware BOM support
best_for: "Security-focused SBOM, vulnerability management"
spdx:
standard: "Linux Foundation SPDX (ISO/IEC 5962:2021)"
focus: "License compliance, legal review"
formats: ["JSON", "RDF/XML", "Tag-Value", "YAML"]
strengths:
- ISO standard
- License expression language
- Relationship modeling
best_for: "License compliance, regulatory requirements"
Syft SBOM Generation
# Generate SBOM for a container image (CycloneDX JSON)
syft ghcr.io/acme/api:v1.2.3 -o cyclonedx-json > sbom-cyclonedx.json
# Generate SBOM in SPDX format
syft ghcr.io/acme/api:v1.2.3 -o spdx-json > sbom-spdx.json
# Generate SBOM from a local directory (source code)
syft dir:. -o cyclonedx-json > sbom-source.json
# Generate SBOM from a Dockerfile/built image
syft docker:my-local-image:latest -o cyclonedx-json > sbom-local.json
# Generate SBOM for a specific package ecosystem
syft dir:. --catalogers python -o cyclonedx-json > sbom-python.json
# Include file hashes for deeper analysis
syft ghcr.io/acme/api:v1.2.3 -o cyclonedx-json --file-metadata > sbom-with-hashes.json
# Multiple output formats simultaneously
syft ghcr.io/acme/api:v1.2.3 \
-o cyclonedx-json=sbom-cdx.json \
-o spdx-json=sbom-spdx.json \
-o table=sbom-summary.txt
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.
- 9d ago First seen · 408 lines · 44 tokens per session scan C 66b2296e8645
sbom-supply-chain is a skill published in the GitHub repository BagelHole/DevOps-Security-Agent-Skills (1,084 stars, last pushed 3mo ago), licensed MIT. It adds 44 tokens to every session and 3,209 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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