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Agent skill

Threat Modeling Expert

by davila7 in davila7/claude-code-templates

Expert in threat modeling methodologies, security architecture review, and risk assessment.

MITAuto-check passedSecurity

Install Threat Modeling Expert

skills CLI
$ npx skills add davila7/claude-code-templates --skill threat-modeling-expert -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install davila7/claude-code-templates threat-modeling-expert --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/davila7/claude-code-templates.git skills-src && mkdir -p .claude/skills && cp -r skills-src/cli-tool/components/skills/security/threat-modeling-expert .claude/skills/threat-modeling-expert && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
threat-modeling-expert
GitHub stars
33k
Used in
8 other repos
Token cost
~529 tokens
SKILL.md length
221 words
Files
1
Skills in repo
479
Repo updated
First seen
Licence
MIT

At a glance

Expert in threat modeling methodologies, security architecture review, and risk assessment.

  • Works in 8 steps: Define system scope and trust boundaries → Create data flow diagrams → Identify assets and entry points → …
  • Tasks that involve Threat modeling
  • SKILL.md covers Capabilities, Use this skill when, Do not use this skill when and Instructions, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Threat Modeling Expert is an agent skill from davila7/claude-code-templates. Expert in threat modeling methodologies, security architecture review, and risk assessment. Masters STRIDE, PASTA, attack trees, and security requirement extraction. Use PROACTIVELY for security architecture reviews, threat identification, or building secure-by-design systems.

Its SKILL.md is about 530 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Security, covering Threat modeling and Software architecture. The repository describes itself as: CLI tool for configuring and monitoring Claude Code. The licence is MIT.

When your agent uses it

  • Tasks that involve Threat modeling
  • Tasks that involve Software architecture

Example prompts

  • “/threat-modeling-expert”

Workflow steps

8 steps, taken from the first numbered list in SKILL.md.

  1. Define system scope and trust boundaries
  2. Create data flow diagrams
  3. Identify assets and entry points
  4. Apply STRIDE to each component
  5. Build attack trees for critical paths
  6. Score and prioritize threats
  7. Design mitigations
  8. Document residual risks

What it can do on your machine

Read from SKILL.md and the folder at commit c0ca7da. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Threat Modeling Expert loads about 529 tokens when it runs. Until then it costs about 75 tokens; SKILL.md has 221 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~75
When it runs · the whole SKILL.md, loaded when a task matches
~529

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from davila7/claude-code-templates at commit c0ca7da, republished under its MIT licence (© davila7). 221 words, ~529 tokens.

Download SKILL.mdSave it as .claude/skills/threat-modeling-expert/SKILL.md (or your agent's skills folder).
name
threat-modeling-expert
description
Expert in threat modeling methodologies, security architecture review, and risk assessment. Masters STRIDE, PASTA, attack trees, and security requirement extraction. Use PROACTIVELY for security architecture reviews, threat identification, or building secure-by-design systems.
risk
unknown
source
community
date_added
2026-02-27

Threat Modeling Expert

Expert in threat modeling methodologies, security architecture review, and risk assessment. Masters STRIDE, PASTA, attack trees, and security requirement extraction. Use PROACTIVELY for security architecture reviews, threat identification, or building secure-by-design systems.

Capabilities

  • STRIDE threat analysis
  • Attack tree construction
  • Data flow diagram analysis
  • Security requirement extraction
  • Risk prioritization and scoring
  • Mitigation strategy design
  • Security control mapping

Use this skill when

  • Designing new systems or features
  • Reviewing architecture for security gaps
  • Preparing for security audits
  • Identifying attack vectors
  • Prioritizing security investments
  • Creating security documentation
  • Training teams on security thinking

Do not use this skill when

  • You lack scope or authorization for security review
  • You need legal or compliance certification
  • You only need automated scanning without human review

Instructions

  1. Define system scope and trust boundaries
  2. Create data flow diagrams
  3. Identify assets and entry points
  4. Apply STRIDE to each component
  5. Build attack trees for critical paths
  6. Score and prioritize threats
  7. Design mitigations
  8. Document residual risks

Safety

  • Avoid storing sensitive details in threat models without access controls.
  • Keep threat models updated after architecture changes.

Best Practices

  • Involve developers in threat modeling sessions
  • Focus on data flows, not just components
  • Consider insider threats
  • Update threat models with architecture changes
  • Link threats to security requirements
  • Track mitigations to implementation
  • Review regularly, not just at design time

© davila7, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in cli-tool/components/skills/security/threat-modeling-expert of davila7/claude-code-templates.

Open the folder on GitHubat commit c0ca7da

Used in 8 other repositories

We found 19 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 8 other GitHub owners. This page covers the copy in davila7/claude-code-templates, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Threat Modeling Expert next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Threat Modeling Expert compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Threat Modeling Expert this skilldavila7/claude-code-templates33k8 repos~529Automated safety check: PassMIT
Audit Context Buildingtrailofbits/skills7.5k—~996Automated safety check: PassCC-BY-SA-4.0
Forensifyalexgreensh/repo-forensics190—~2.5kAutomated safety check: NotesCustom licence
Create Rulecartography-cncf/cartography4.1k—~3kAutomated safety check: PassApache-2.0
Commit Security Scancodexstar69/bug-hunter520—~629Automated safety check: PassMIT
Auditing Code For Vulnerabilitiestrilwu/secskills157—~3.2kAutomated safety check: PassMIT

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Categories

Questions about Threat Modeling Expert

What does Threat Modeling Expert do?

Expert in threat modeling methodologies, security architecture review, and risk assessment. Threat Modeling Expert is an agent skill from davila7/claude-code-templates. Expert in threat modeling methodologies, security architecture review, and risk assessment.

When should I use Threat Modeling Expert?

Threat Modeling Expert fits situations like: tasks that involve Threat modeling; tasks that involve Software architecture.

How do I install Threat Modeling Expert in Claude Code?

Run `npx skills add davila7/claude-code-templates --skill threat-modeling-expert -a claude-code`. Or copy the skill folder (cli-tool/components/skills/security/threat-modeling-expert in davila7/claude-code-templates) into .claude/skills/threat-modeling-expert in your project. Claude Code loads it when a task matches its description.

How do I install Threat Modeling Expert in Codex?

Run `npx skills add davila7/claude-code-templates --skill threat-modeling-expert -a codex`. Or copy the skill folder (cli-tool/components/skills/security/threat-modeling-expert in davila7/claude-code-templates) into .agents/skills/threat-modeling-expert in your project. Codex loads it when a task matches its description.

Can I use Threat Modeling Expert in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add davila7/claude-code-templates --skill threat-modeling-expert -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/threat-modeling-expert, .gemini/skills/threat-modeling-expert, .github/skills/threat-modeling-expert and .opencode/skills/threat-modeling-expert in your project.

What does Threat Modeling Expert need to run?

SKILL.md names no scripts, command-line tools or credentials: Threat Modeling Expert is instructions for the agent only.

Does Threat Modeling Expert access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Threat Modeling Expert safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Threat Modeling Expert use?

Threat Modeling Expert is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Threat Modeling Expert use?

About 529 tokens (SKILL.md is roughly 2.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Threat Modeling Expert?

Skills that share tags, products or a category with Threat Modeling Expert: Audit Context Building (trailofbits/skills, 7.5k stars), Forensify (alexgreensh/repo-forensics, 190 stars), Create Rule (cartography-cncf/cartography, 4.1k stars) and Commit Security Scan (codexstar69/bug-hunter, 520 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Threat Modeling Expert?

davila7 (a GitHub user) maintains it in davila7/claude-code-templates, which has 32,512 GitHub stars. The repository holds 479 skills in this directory. The repository was last updated on October 10, 2026.

Source: davila7/claude-code-templates on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.