Security And Hardening

Hardens code against vulnerabilities. Use when auditing an input handler for vulnerabilities, when handling user input, authentication, data storage, or external integrations, or when checking a login flow is safe against the OWASP Top Ten. Use when building any feature that accepts untrusted data, manages user sess...

Overview

Security And Hardening is a SKILL.md workflow from addyosmani/agent-skills. It is categorized under security and links back to its reviewed source so users can inspect the complete instructions and bundled resources before installation.

Use Cases

Apply Security And Hardening as a repeatable security workflow.
Evaluate the source instructions and bundled resources before installation.
Use the skill with a compatible Agent Skills runtime.

Install Notes

# Review source first
open https://github.com/addyosmani/agent-skills/blob/main/skills/security-and-hardening/SKILL.md

Copy the reviewed skill folder into the skills directory used by your compatible agent.

Security Notes

AIToolly validated the published source structure and license automatically. Review addyosmani/agent-skills and any bundled scripts again before granting workspace, command, or network access.

Related Skills

Trailmark Summary

trailofbits/skills

Security

Runs a Trailmark summary analysis on a codebase. Returns auto-detected languages, entry point count, and dependency list. Use when vivisect or galvanize needs a quick structural overview. Triggers: trailmark summary, code summary, structural overview.

Claude CodeClaude
pythonsecurity
7,069 StarsSource linked

Sarif Parsing

trailofbits/skills

Security

Parses and processes SARIF files from static analysis tools like CodeQL, Semgrep, or other scanners. Triggers on "parse sarif", "read scan results", "aggregate findings", "deduplicate alerts", or "process sarif output". Handles filtering, deduplication, format conversion, and CI/CD integration of SARIF data. Does NO...

Claude CodeClaude
pythonsecurity
7,069 StarsSource linked

Trailmark Structural

trailofbits/skills

Security

Runs full Trailmark structural analysis by building a graph, running `preanalysis()`, and reporting hotspots, taint, blast radius, privilege boundaries, attack surface, and version-gated Trailmark 0.4+/0.5+ data such as proxy counts, subgraph edges, type/reference summaries, and entrypoint attributes. Use when vivis...

Claude CodeClaude
pythonsecurity
7,069 StarsSource linked

Mermaid To Proverif

trailofbits/skills

Security

Translates Mermaid sequenceDiagrams describing cryptographic protocols into ProVerif formal verification models (.pv files). Use when generating a ProVerif model, formally verifying a protocol, converting a Mermaid diagram to ProVerif, verifying protocol security properties (secrecy, authentication, forward secrecy)...

Claude CodeClaude
securityresearch
7,069 StarsSource linked

Ossfuzz

trailofbits/skills

Security

Enrolls a project in OSS-Fuzz, Google's free continuous fuzzing service for open source, and drives it locally. Covers project.yaml, Dockerfile and build.sh setup, the helper scripts, reproducing OSS-Fuzz crash reports, and the acceptance criteria. Use when setting up continuous fuzzing for an open-source project, r...

Claude CodeClaude
pythonsecurity
7,069 StarsSource linked

Testing Handbook Generator

trailofbits/skills

Security

Generates Claude Code skills from the Trail of Bits Testing Handbook (appsec.guide), analyzing handbook pages and emitting SKILL.md files with the structure each skill type requires. Use when creating or refreshing a skill from handbook content, or when the user names the testing handbook or appsec.guide. Not for an...

Claude CodeClaude
securitytesting
7,069 StarsSource linked