sast-pathtraversal

sast-pathtraversal is a skill for Claude Code, Codex from capture0x/YeepForge. It costs 98 tokens per session (6,804 once invoked), scanned A, original, no licence file.

A code-security check for path traversal, a flaw where an attacker can use a file path to access files outside the intended folder.

In plain words
What is it for?
Finding and verifying path-traversal vulnerabilities in a codebase after its architecture has been analysed.
Why use it?
It traces dynamic file-loading paths and checks whether user-controlled input is properly restricted.

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-pathtraversal
Any agent
npx skills add capture0x/YeepForge --skill sast-pathtraversal
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-pathtraversal

README.md
[![agentmods](https://agentmods.dev/badge/skills/capture0x/yeepforge/sast-pathtraversal.svg)](https://agentmods.dev/skills/capture0x/yeepforge/sast-pathtraversal)
Your own site
<a href="https://agentmods.dev/skills/capture0x/yeepforge/sast-pathtraversal"><img src="https://agentmods.dev/badge/skills/capture0x/yeepforge/sast-pathtraversal.svg" alt="Measured on agentmods" height="20"></a>
Per session 98 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,804 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 $0.00098 $0.06804
Opus 5 $0.00049 $0.03402
Sonnet 5 $0.00020 $0.01361
Haiku 4.5 $0.00010 $0.00680

Measured 4d ago against content hash 442de6741b3f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sast-pathtraversal 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.

Makes network callslowCapability

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

> [curl command or payload to confirm; show traversal and encoded variants as appropriate]
modules/sast_skills/sast-pathtraversal/SKILL.md · 545 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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. 4d ago First seen · 545 lines · 98 tokens per session scan A 442de6741b3f

Subscribe to this mod's changes

sast-pathtraversal is a skill published in the GitHub repository capture0x/YeepForge (1 stars, last pushed 11d ago), with no licence file. It adds 98 tokens to every session and 6,804 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (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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