dev-security-audit SKILL.md skillB

dev-security-audit from sd0xdev/sd0x-harness is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add sd0xdev/sd0x-harness/dev-security-audit@git:20260325.c918402

Pins git:20260325.c918402 in mdr.lock. Pin the fingerprint instead.

Audit grade
B, 16 of 17 checks passed
Kind
SKILL.md skill
Repository
sd0xdev/sd0x-harness
Path
skills/dev-security-audit/SKILL.md
Versions recorded
2
Latest version
git:20260325.c918402, committed Mar 25, 2026
First version recorded
Mar 25, 2026
Size
14,262 bytes
Repository stars
194
License
MIT

Comprehensive developer workstation security audit — scans for exposed credentials, compromised application data, persistence mechanisms, and supply chain attack indicators. Use this skill whenever the user suspects their machine may be compromised, wants to check for exposed secrets, asks about supply chain attacks, or wants a full security audit of their development environment. Also triggers on: 'am I compromised', 'check my security', 'scan for leaked keys', 'credential audit', 'supply…

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Developer Workstation Security Audit

A systematic, multi-phase security audit for developer workstations. Checks for supply chain compromise indicators (via case-based IoC library at `references/cases/`), scans for exposed credentials across 20+ categories, and generates a prioritized remediation plan.

## When to Use

- User suspects their machine was compromised
- User wants to check for exposed secrets/credentials
- User heard about a supply chain attack and wants to check if affected
- User wants a general security audit of their dev environment
- Post-incident response: credential rotation planning

## When NOT to Use

- Code-level security review (use `/codex-security` or `/security-review`)
- Dependency vulnerability audit (use `/dep-audit`)
- OWASP Top 10 web app audit (use `/codex-security`)
- Runtime application security testing

## Workflow Overview

```mermaid
sequenceDiagram
    participant U as User
    participant C as Claude
    participant S as System
    C->>S: Phase 0: Supply Chain IoC Dispatch (case-driven)
    C->>S: Phase 1: Credential & Secret Exposure Scan
    C->>S: Phase 2: Application & Browser Data Scan
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add sd0xdev/sd0x-harness/dev-security-audit@sha256:e56e28eb6ebceb98

The line at the top of this page pins the label git:20260325.c918402, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_p6yyvf246gbkweap.svg)](https://markdownregistry.com/a/art_p6yyvf246gbkweap)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, all committed on Mar 25, 2026.

versioncommittedcommitsizeaudit
git:20260325.c918402 latest2026-03-25 c918402 14,262 BB view · diff
git:20260325.50e82df2026-03-25 50e82df 14,149 BB view

Audit of the latest version

B  16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • fail: No instruction to read or print local credentials (matched: dump-keychain)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (14262 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

sd0xdev/sd0x-harness · 194 stars · license MIT · pushed 2026-10-08 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_p6yyvf246gbkweap
GET https://markdownregistry.com/api/v1/resolve?ref=sd0xdev/sd0x-harness/dev-security-audit
GET https://markdownregistry.com/api/v1/blob/e56e28eb6ebceb98999abea65ceb4a2ac31a30e13b3fd3ce103477cc05a9c271

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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