secutils-certificate-templates

A tool for creating and managing X.509 digital certificates from reusable templates on Secutils.dev.

In plain words
What is it for?
Use it to create, edit, share, and generate self-signed or certificate-authority-signed certificate bundles in PEM or PKCS#12 formats.
Why use it?
It reduces repeated certificate setup and keeps key, identity, usage, validity, and signing settings together.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/secutils-dev/secutils/certificate_templates
Any agent
npx skills add secutils-dev/secutils --skill certificate_templates
Clone the repo
git clone --depth 1 https://github.com/secutils-dev/secutils

Made for: Claude Code, Codex.

Per session 164 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,073 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin unknown 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 $0.00164 $0.02073
Opus 5 $0.00082 $0.01037
Sonnet 5 $0.00033 $0.00415
Haiku 4.5 $0.00016 $0.00207

Measured 2d ago against content hash 107b2dc3d039, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

secutils-certificate-templates scanned grade A with 1 finding 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 2d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

## Example flow (curl)
components/secutils-docs/static/guides/digital_certificates/certificate_templates/SKILL.md · 180 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. 2d ago First seen · 180 lines · 164 tokens per session scan A 107b2dc3d039

Subscribe to this mod's changes

secutils-certificate-templates is a skill published in the GitHub repository secutils-dev/secutils (101 stars, last pushed 10d ago), licensed AGPL-3.0. It adds 164 tokens to every session and 2,073 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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