superforge-secure

superforge-secure is a skill for Claude Code from takaoumehara/superforge-skill. It costs 214 tokens per session (2,397 once invoked), scanned A, original, MIT.

A structured security review process for products, covering secrets, login, permissions, input handling, stored and transmitted data, dependencies, and exposed interfaces.

In plain words
What is it for?
Use it to review a product's security surface, document findings one by one, rank their impact, and record what the review did and did not cover.
Why use it?
It finds security weaknesses that automated scans can miss and records what an attacker could actually access or change.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the superforge-skills plugin — 15 skills shipped together

Good fit Use it to review a product's security surface, document findings one by one, rank their impact, and record what the review did and did not cover.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/takaoumehara/superforge-skill/superforge-secure
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.

Any agent
npx skills add takaoumehara/superforge-skill --skill superforge-secure
Clone the repo
git clone --depth 1 https://github.com/takaoumehara/superforge-skill

Made for: Claude Code.

Or install superforge-skills, the plugin that ships this one along with the rest of its 15 skills.

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 superforge-secure

README.md
[![agentmods](https://agentmods.dev/badge/skills/takaoumehara/superforge-skill/superforge-secure.svg)](https://agentmods.dev/skills/takaoumehara/superforge-skill/superforge-secure)
Your own site
<a href="https://agentmods.dev/skills/takaoumehara/superforge-skill/superforge-secure"><img src="https://agentmods.dev/badge/skills/takaoumehara/superforge-skill/superforge-secure.svg" alt="Measured on agentmods" height="20"></a>
Per session 214 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,397 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 $0.00214 $0.02397
Opus 5 $0.00107 $0.01198
Sonnet 5 $0.00043 $0.00479
Haiku 4.5 $0.00021 $0.00240

Measured 7d ago against content hash 3cade89b828f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

superforge-secure 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 7d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/scan-secrets.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/superforge-secure/SKILL.md · 212 lines

How it starts

The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Superforge Secure — Security Review for Products Without a Security Team

Security is not a scanner score, and it is not a topic for later. A product can pass every automated check, have no known CVE, and still let any logged-in user read every other user's data by changing a number in a URL.

This skill runs the passes a machine cannot run, ranks findings by what an attacker gets, and writes a ledger that superforge-ship reads before a release.


0. The rule this skill exists to enforce

Never report that something is secure. Report what was checked.

"Secure" is not a state a review can establish — it is the absence of every unknown flaw, which no process can demonstrate. A review can only say: these seven passes were run against this surface on this date, and here is what they found and what they did not cover.

This is the same discipline as superforge-verify, applied to a domain where the false clearance is more expensive: a user who is told "we checked, it's secure" stops looking.

Two corollaries:

  • A clean dependency scan is the start of the review. It sees published vulnerabilities in third-party code and is blind to every flaw in yours, which is where the findings in §2's passes 1–3 actually live.
  • Report SECURE-REVIEWED / FINDINGS-OPEN / NOT-ASSESSED, never "secure".

1. Scope before reviewing

Four things, written at the top of the report. Guess the defaults and confirm rather than interrogating.

Default if unstated
Surface every route or screen that touches data, plus every background job and third-party webhook
Trust boundary anything the client sends is attacker-controlled — including headers, IDs, prices, and any value your own JavaScript put there
Attacker model a logged-in ordinary user of your product. Not a nation state. This is the one that finds real bugs at this scale
Blast radius what the worst single compromise reaches — one account, all accounts, the database, the payment provider

Read the full file on GitHub · 212 lines

Files

What ships with it

9 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. 7d ago First seen · 212 lines · 214 tokens per session scan A 3cade89b828f

Subscribe to this mod's changes

superforge-secure is a skill published in the GitHub repository takaoumehara/superforge-skill (1 stars, last pushed 22d ago), licensed MIT. It adds 214 tokens to every session and 2,397 once invoked, about $0.0011 per session on Opus 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 2026-08-31.

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