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testing-handbook-skills

Skills from the Trail of Bits Application Security Testing Handbook (appsec.guide)

Publisher marketplacetesting-handbook-skills@trailofbits · marketplace and plugin share one repository (emarai/skills)

npx claudepluginhub emarai/skills --plugin testing-handbook-skills

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What's Inside

Skills17

codeql

/codeql

CodeQL is a static analysis framework that queries code as a database. Use when you need interprocedural analysis or complex data flow tracking.

constant-time-testing

/constant-time-testing

Constant-time testing detects timing side channels in cryptographic code. Use when auditing crypto implementations for timing vulnerabilities.

coverage-analysis

/coverage-analysis

Coverage analysis measures code exercised during fuzzing. Use when assessing harness effectiveness or identifying fuzzing blockers.

fuzzing-dictionary

/fuzzing-dictionary

Fuzzing dictionaries guide fuzzers with domain-specific tokens. Use when fuzzing parsers, protocols, or format-specific code.

fuzzing-obstacles

/fuzzing-obstacles

Techniques for patching code to overcome fuzzing obstacles. Use when checksums, global state, or other barriers block fuzzer progress.

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Version1.0.0

LanguagePython

Stars0

MaintenancePoor

LicenseCC-BY-SA-4.0

Last CommitJan 21, 2026

AddedJul 10, 2026

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Available In

trailofbits

README

Trail of Bits Skills Marketplace

A Claude Code plugin marketplace from Trail of Bits providing skills to enhance AI-assisted security analysis, testing, and development workflows.

Installation

Add the Marketplace

/plugin marketplace add trailofbits/skills

Browse and Install Plugins

/plugin menu

Local Development

To add the marketplace locally (e.g., for testing or development), navigate to the parent directory of this repository:

cd /path/to/parent  # e.g., if repo is at ~/projects/skills, be in ~/projects
/plugins marketplace add ./skills

Available Plugins

Smart Contract Security

Plugin	Description
building-secure-contracts	Smart contract security toolkit with vulnerability scanners for 6 blockchains
entry-point-analyzer	Identify state-changing entry points in smart contracts for security auditing

Code Auditing

Plugin	Description
audit-context-building	Build deep architectural context through ultra-granular code analysis
burpsuite-project-parser	Search and extract data from Burp Suite project files
differential-review	Security-focused differential review of code changes with git history analysis
insecure-defaults	Detect insecure default configurations, hardcoded credentials, and fail-open security patterns
semgrep-rule-creator	Create and refine Semgrep rules for custom vulnerability detection
semgrep-rule-variant-creator	Port existing Semgrep rules to new target languages with test-driven validation
sharp-edges	Identify error-prone APIs, dangerous configurations, and footgun designs
static-analysis	Static analysis toolkit with CodeQL, Semgrep, and SARIF parsing
testing-handbook-skills	Skills from the Testing Handbook: fuzzers, static analysis, sanitizers, coverage
variant-analysis	Find similar vulnerabilities across codebases using pattern-based analysis

Verification

Plugin	Description
constant-time-analysis	Detect compiler-induced timing side-channels in cryptographic code
property-based-testing	Property-based testing guidance for multiple languages and smart contracts
spec-to-code-compliance	Specification-to-code compliance checker for blockchain audits

Audit Lifecycle

Plugin	Description
fix-review	Verify fix commits address audit findings without introducing bugs

Reverse Engineering

Plugin	Description
dwarf-expert	Interact with and understand the DWARF debugging format

Mobile Security

Plugin	Description
firebase-apk-scanner	Scan Android APKs for Firebase security misconfigurations

Development

Plugin	Description
ask-questions-if-underspecified	Clarify requirements before implementing
modern-python	Modern Python tooling and best practices with uv, ruff, and pytest

Team Management

Plugin	Description
culture-index	Interpret Culture Index survey results for individuals and teams

Tooling

Plugin	Description
claude-in-chrome-troubleshooting	Diagnose and fix Claude in Chrome MCP extension connectivity issues

Trophy Case

Bugs discovered using Trail of Bits Skills. Found something? Let us know!

When reporting bugs you've found, feel free to mention:

Found using Trail of Bits Skills

Skill	Bug
constant-time-analysis	Timing side-channel in ML-DSA signing

Contributing

We welcome contributions! Please see CLAUDE.md for skill authoring guidelines.

License

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

About Trail of Bits

Trail of Bits is a security research and consulting firm.

testing-handbook-skills

Popularity

What's Inside

Confidence

README

Trail of Bits Skills Marketplace

Installation

Add the Marketplace

Browse and Install Plugins

Local Development

Available Plugins

Smart Contract Security

Code Auditing

Verification

Audit Lifecycle

Reverse Engineering

Mobile Security

Development

Team Management

Tooling

Trophy Case

Contributing

License

About Trail of Bits

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Trail of Bits Skills Marketplace

Installation

Add the Marketplace

Browse and Install Plugins

Local Development

Available Plugins

Smart Contract Security

Code Auditing

Verification

Audit Lifecycle

Reverse Engineering

Mobile Security

Development

Team Management

Tooling

Trophy Case

Contributing

License

About Trail of Bits

More by emarai

differential-review

property-based-testing

constant-time-analysis

audit-context-building

fix-review

Popularity

Health & Quality

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