vela-secure-coding

vela-secure-coding is a skill for Claude Code, Codex from AgentiaPT/vela-slides. It costs 157 tokens per session (4,512 once invoked), scanned A, original, no licence file.

Secure-coding instructions for the Vela codebase. They describe the project's security risks and the approved helpers for cleaning and safely encoding data.

In plain words
What is it for?
Read them before writing, changing, or reviewing Vela code, tests, tools, or CI configuration.
Why use it?
They reduce the risk of introducing security bugs or duplicating security logic incorrectly.

Skill for Claude CodeCodex

Part of the vela-slides plugin — 36 skills, 2 hooks shipped together

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/agentiapt/vela-slides/vela-secure-coding
Any agent
npx skills add AgentiaPT/vela-slides --skill vela-secure-coding
Clone the repo
git clone --depth 1 https://github.com/AgentiaPT/vela-slides

Made for: Claude Code, Codex.

Or install vela-slides, the plugin that ships this one along with the rest of its 36 skills, 2 hooks.

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 vela-secure-coding

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentiapt/vela-slides/vela-secure-coding.svg)](https://agentmods.dev/skills/agentiapt/vela-slides/vela-secure-coding)
Your own site
<a href="https://agentmods.dev/skills/agentiapt/vela-slides/vela-secure-coding"><img src="https://agentmods.dev/badge/skills/agentiapt/vela-slides/vela-secure-coding.svg" alt="Measured on agentmods" height="20"></a>
Per session 157 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,512 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 $0.00157 $0.04512
Opus 5 $0.00078 $0.02256
Sonnet 5 $0.00031 $0.00902
Haiku 4.5 $0.00016 $0.00451

Measured 4d ago against content hash 50b334973d3a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

vela-secure-coding 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 4d 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.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

- stdlib only; no `eval`/`exec`/`pickle`/`os.system`/`shell=True`; `subprocess`
.claude/skills/vela-secure-coding/SKILL.md · 262 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

1 file 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.

  1. 4d ago First seen · 262 lines · 157 tokens per session scan A 50b334973d3a

Subscribe to this mod's changes

vela-secure-coding is a skill published in the GitHub repository AgentiaPT/vela-slides (7 stars, last pushed 4d ago), with no licence file. It adds 157 tokens to every session and 4,512 once invoked, about $0.0008 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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