attack-trees SKILL.md skillA
attack-trees from hermeticormus/libresecops-claude-code is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add hermeticormus/libresecops-claude-code/attack-trees@git:20260930.71a2663Pins git:20260930.71a2663 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- hermeticormus/libresecops-claude-code
- Path
plugins/threat-modeling/skills/attack-trees/SKILL.md- Versions recorded
- 2
- Latest version
- git:20260930.71a2663, committed Sep 30, 2026
- First version recorded
- Feb 25, 2026
- Size
- 11,650 bytes
- Repository stars
- 4
- License
- MIT
Attack tree methodology: notation, AND/OR decomposition, reusable tree templates, path analysis, advanced techniques, and using trees to make defense decisions. Use when decomposing an attacker goal into analyzable paths.
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
# Attack Trees
> Attack tree construction methodology, notation, common patterns, and analysis techniques for decomposing complex threats into specific, analyzable attack paths.
## Knowledge Base
### What Are Attack Trees?
Attack trees are hierarchical diagrams that model the different ways an attacker can achieve a specific objective. The root node is the attacker's goal, intermediate nodes are subgoals, and leaf nodes are specific, atomic actions the attacker takes. Nodes are connected by AND gates (all children must succeed) or OR gates (any child is sufficient).
Attack trees were formalized by Bruce Schneier (1999) and remain one of the most practical tools for understanding and communicating about security threats.
### Tree Notation
**Text-based notation** (used in this plugin):
```
[ROOT GOAL] (OR) # Attacker wants to achieve this
├── [Subgoal A] (AND) # Approach A requires all steps
│ ├── [Action A.1] {leaf} # Specific atomic action
│ └── [Action A.2] {leaf} # Both A.1 AND A.2 needed
├── [Subgoal B] (OR) # Approach B has alternatives
…Read the whole file at its exact version.
How to install
mdr add hermeticormus/libresecops-claude-code/attack-trees@sha256:5dda8f7d4a5487c5The line at the top of this page pins the label git:20260930.71a2663, 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.
[](https://markdownregistry.com/a/art_r2zfqyioiodm7k2a)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Feb 25, 2026 and Sep 30, 2026, about one every 218 days. Its first recorded version is graded C and its latest A.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260930.71a2663 latest | 2026-09-30 | 71a2663 | 11,650 B | A | view · diff |
| git:20260225.4a0a620 | 2026-02-25 | 4a0a620 | 11,383 B | C | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (11650 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
hermeticormus/libresecops-claude-code · 4 stars · license MIT · pushed 2026-10-04 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_r2zfqyioiodm7k2a GET https://markdownregistry.com/api/v1/resolve?ref=hermeticormus/libresecops-claude-code/attack-trees GET https://markdownregistry.com/api/v1/blob/5dda8f7d4a5487c5f2610eb883c7c021bb274ec295e74c1f10dd31633d1fffa1
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.