sast-graphql

sast-graphql is a skill for Claude Code, Codex from capture0x/YeepForge. It costs 123 tokens per session (4,535 once invoked), scanned A, original, no licence file.

A code-review skill for finding GraphQL injection risks, where unsafe handling of user input can alter a GraphQL request. It checks how the code uses GraphQL, traces input to possible problem areas, and combines the findings.

In plain words
What is it for?
Reviewing a codebase that uses GraphQL, locating unsafe operation construction, and verifying whether user input can reach those locations.
Why use it?
It gives a structured way to investigate several possible unsafe request-building locations without checking them one by one.

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/capture0x/yeepforge/sast-graphql
Any agent
npx skills add capture0x/YeepForge --skill sast-graphql
Clone the repo
git clone --depth 1 https://github.com/capture0x/YeepForge

Made for: Claude Code, 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 sast-graphql

README.md
[![agentmods](https://agentmods.dev/badge/skills/capture0x/yeepforge/sast-graphql.svg)](https://agentmods.dev/skills/capture0x/yeepforge/sast-graphql)
Your own site
<a href="https://agentmods.dev/skills/capture0x/yeepforge/sast-graphql"><img src="https://agentmods.dev/badge/skills/capture0x/yeepforge/sast-graphql.svg" alt="Measured on agentmods" height="20"></a>
Per session 123 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,535 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 2 findings. 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 $0.00123 $0.04535
Opus 5 $0.00062 $0.02268
Sonnet 5 $0.00025 $0.00907
Haiku 4.5 $0.00012 $0.00453

Measured 3d ago against content hash af1ae67a2e0e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sast-graphql scanned grade A with 2 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 3d 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 data = await fetch('https://api.internal/graphql', { 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.

Makes network callslowCapability

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

> - `JSON.stringify({ query: `...${userPart}...` })`, `axios.post(url, { query: builtFromInput })`
modules/sast_skills/sast-graphql/SKILL.md · 368 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

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. 3d ago First seen · 368 lines · 123 tokens per session scan A af1ae67a2e0e

Subscribe to this mod's changes

sast-graphql is a skill published in the GitHub repository capture0x/YeepForge (1 stars, last pushed 10d ago), with no licence file. It adds 123 tokens to every session and 4,535 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 2 findings (sends data to an external url, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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