deprecated-Takomi_Code: Skill for Codex

.agent/skills/convex-security-audit/SKILL.md

convex-security-audit is a skill for Codex from JStaRFilms/deprecated-Takomi_Code. It costs 28 tokens per session (3,682 once invoked), scanned A, original, no licence file.

A security review guide for Convex applications, covering who can access data and operations.

In plain words
What is it for?
It is for reviewing authorization logic, data access, isolated actions, rate limits, and sensitive operations.
Why use it?
It helps find missing permission checks, unsafe data boundaries, request abuse risks, and exposed sensitive actions.

Skill for Codex

Written for Codex: agents/openai.yaml present.

This is JStaRFilms/deprecated-Takomi_Code's own configuration. It tells Codex how to work on deprecated-Takomi_Code 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 deprecated-Takomi_Code configures →

Reuse

Borrowing it

Nothing to install: this file belongs to JStaRFilms/deprecated-Takomi_Code. 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/JStaRFilms/deprecated-Takomi_Code/master/.agent/skills/convex-security-audit/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/JStaRFilms/deprecated-Takomi_Code

Made for: 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.

agentmods badge for convex-security-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/jstarfilms/deprecated-takomi_code/convex-security-audit/github.svg)](https://agentmods.dev/skills/jstarfilms/deprecated-takomi_code/convex-security-audit)
Your own site
<a href="https://agentmods.dev/skills/jstarfilms/deprecated-takomi_code/convex-security-audit"><img src="https://agentmods.dev/badge/skills/jstarfilms/deprecated-takomi_code/convex-security-audit/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 convex-security-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/jstarfilms/deprecated-takomi_code/convex-security-audit"><img src="https://agentmods.dev/badge/skills/jstarfilms/deprecated-takomi_code/convex-security-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,682 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00028 $0.03682
Opus 5 $0.00014 $0.01841
Sonnet 5 $0.00006 $0.00736
Haiku 4.5 $0.00003 $0.00368

Measured 9d ago against content hash fcb6056e5bf1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

convex-security-audit 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 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.

Sends data to an external URLlowData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

const response = await fetch("https://api.example.com/query", { method: "POST",

Downgraded: this mod is about security review, or the phrase is quoted, so it is likely naming the pattern rather than instructing it.

.agent/skills/convex-security-audit/SKILL.md · 540 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

3 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.

  1. 9d ago First seen · 540 lines · 28 tokens per session scan A fcb6056e5bf1

Subscribe to this mod's changes

convex-security-audit is a skill published in the GitHub repository JStaRFilms/deprecated-Takomi_Code (3 stars, last pushed 5mo ago), with no licence file. It adds 28 tokens to every session and 3,682 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (sends data to an external url). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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