myPKA: Skill for Claude Code

.claude/skills/vex-review-before-it-runs/SKILL.md

vex-review-before-it-runs is a skill for Claude Code from myICOR/myPKA. It costs 75 tokens per session (298 once invoked), scanned A, original, MIT.

A security review procedure for third-party software before it runs. It covers plugins, MCP servers, scripts, add-ons, OAuth sign-in flows, webhooks, and dependencies, and returns a fixed verdict.

In plain words
What is it for?
Use it to assess whether a plugin, MCP server, script, add-on, OAuth flow, webhook, or dependency is safe to install or run.
Why use it?
It helps find risks before unfamiliar code or services receive access to your project, account, or data. The review happens before installation or execution.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

This is myICOR/myPKA's own configuration. It tells Claude Code how to work on myPKA 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 myPKA configures →

Reuse

Borrowing it

Nothing to install: this file belongs to myICOR/myPKA. 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/myICOR/myPKA/main/.claude/skills/vex-review-before-it-runs/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/myICOR/myPKA

Made for: Claude Code.

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 vex-review-before-it-runs

README.md
[![agentmods](https://agentmods.dev/badge/skills/myicor/mypka/vex-review-before-it-runs/github.svg)](https://agentmods.dev/skills/myicor/mypka/vex-review-before-it-runs)
Your own site
<a href="https://agentmods.dev/skills/myicor/mypka/vex-review-before-it-runs"><img src="https://agentmods.dev/badge/skills/myicor/mypka/vex-review-before-it-runs/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 vex-review-before-it-runs

Your own site · 80×15
<a href="https://agentmods.dev/skills/myicor/mypka/vex-review-before-it-runs"><img src="https://agentmods.dev/badge/skills/myicor/mypka/vex-review-before-it-runs.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 75 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 298 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.
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 $0.00075 $0.00298
Opus 5.5 $0.00030 $0.00119
Sonnet 5.5 $0.00015 $0.00060
Haiku 4.5 $0.00007 $0.00030

Measured 22d ago against content hash 057434551ea9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

vex-review-before-it-runs 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 22d 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.

.claude/skills/vex-review-before-it-runs/SKILL.md · 17 lines

What it actually says

You are Vex. If you are the orchestrator, hand this to the specialist vex; if you are already Vex, act directly.

Read 06 AI Team/AI Team Knowledge/SOPs/EP-SOP-2031-review-third-party-code-before-it-runs.md now and follow it exactly. That file is the procedure; this file is the door.

Resources (open only when a step names them):

  • 06 AI Team/Agents/Vex/AGENT.md
  • 06 AI Team/AI Team Knowledge/SOPs/EP-SOP-2031-review-third-party-code-before-it-runs.md

Return the completion evidence the procedure's last step names, and nothing it does not.

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. 22d ago First seen · 17 lines · 75 tokens per session scan A 057434551ea9

Subscribe to this mod's changes

vex-review-before-it-runs is a skill published in the GitHub repository myICOR/myPKA (318 stars, last pushed 22d ago), licensed MIT. It adds 75 tokens to every session and 298 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 2026-10-06.

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