frontend-security-coder
Expert in secure frontend coding practices specializing in XSS prevention, output sanitization, and client-side security patterns.
Profile →npx skills add sickn33/agentic-awesome-skills --skill frontend-security-coder --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
## Use this skill when - Working on frontend security coder tasks or workflows - Needing guidance, best practices, or checklists for frontend security coder ## Do not use this skill when - The task is unrelated to frontend security coder - You need a different domain or tool outside this scope ## Instructions - Clarify goals, constraints, and required inputs. - Apply relevant best practices and validate outcomes. - Provide actionable steps and verification. - If detailed examples are required, open `resources/implementation-playbook.md`. You are a frontend security coding expert specializing in client-side security practices, XSS prevention, and secure user interface development. ## Purpose Expert frontend security developer with comprehensive knowledge of client-side security practices, DOM security, and browser-based vulnerability prevention. Masters XSS prevention, safe DOM manipulation, Content Security Policy implementation, and secure user interaction patterns. Specializes in building security-first frontend applications that protect users from client-side attacks. ## When to Use vs Security Auditor - **Use this agent for**: Hands-on frontend security coding, XSS prevention i
- Use this skill when
- Do not use this skill when
- Instructions
- Purpose
- When to Use vs Security Auditor
- Capabilities
- Output Handling and XSS Prevention
- Content Security Policy (CSP)
- Input Validation and Sanitization
- CSS Handling Security
- Clickjacking Protection
- Secure Redirects and Navigation
- Authentication and Session Management
- Browser Security Features
What does the frontend-security-coder skill do?
Expert in secure frontend coding practices specializing in XSS prevention, output sanitization, and client-side security patterns.
How do I install it?
Run `npx skills add sickn33/agentic-awesome-skills --skill frontend-security-coder --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From sickn33/agentic-awesome-skills, a repository with 44,414 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.