d-padmanabhan/agent-engineering-handbook · skills/codebase-security-audit/SKILL.md

codebase-security-audit skillA

codebase-security-audit is agent-read markdown (skill) from d-padmanabhan/agent-engineering-handbook: End-to-end codebase security audit using the practical eight-layer model - secrets scanning (regex + entropy), SAST (with taint analysis), SCA (deps + license), data-flow / taint, semantic / code-property-graph, IaC, custom rules, and DAST validation. Produces a severity-ranked remediation plan, .env templates, and a ready-to-use CI/CD continuous-scanning workflow. Covers OWASP Top 10 (2021) A01-A10 with curated ripgrep playbooks per category. Use when the user asks to "security audit", "harden .

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add d-padmanabhan/agent-engineering-handbook/codebase-security-audit@git:20260511.331baac
Exact content
mdr add d-padmanabhan/agent-engineering-handbook/codebase-security-audit@sha256:2747c94ba0f56966

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ropzpqxfsiul5sgy.svg)](https://markdownregistry.com/a/art_ropzpqxfsiul5sgy)

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Versions

versioncommittedcommitsizeaudit
git:20260511.331baac latest2026-05-11 331baac 22,877 BA view · diff
git:20260510.b986b8c2026-05-10 b986b8c 22,876 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (22877 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 instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

d-padmanabhan/agent-engineering-handbook · 17 stars · license MIT · pushed 2026-09-12 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ropzpqxfsiul5sgy
GET https://markdownregistry.com/api/v1/resolve?ref=d-padmanabhan/agent-engineering-handbook/codebase-security-audit
GET https://markdownregistry.com/api/v1/blob/2747c94ba0f56966a4c4ec0bfebf33d85431dd05c790f6997c75c94489a35e81

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.