/security--sanitize

/security--sanitize is a Claude Code skill in the Code section. Traces where user input enters your code and where it ends up, flags SQL injection, XSS and similar flaws, and proposes the fix.

Author's description

Find unsanitized inputs and add proper validation/sanitization

How to ask for it

/security--sanitize check my forms for unsanitized inputs
/security--sanitize add sanitization to this API's parameters
/security--sanitize is this code vulnerable to SQL injection?

Install

curl -fsSL https://raw.githubusercontent.com/sgomez-dev/claude-skills/main/install.sh | bash

After installing with the script, type /security--sanitize. Using Cursor, Windsurf or Codex? Platform guides

Demo coming soon

Pairs well with

/security--secrets-scanLeaked secrets scan
Scans your code, config files and recent git history for API keys, tokens, passwords and private keys, and explains how to remediate each.
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/security--dependency-vulnDependency vulnerability check
Runs your package manager's audit and lists each vulnerable dependency with its CVE, severity, fixed version and a remediation plan.
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/security--security-auditOWASP security audit
Audits your codebase against the OWASP Top 10 and returns each finding with severity, file and line, a description and a fix.
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/security--auth-reviewLogin and permissions review
Reviews your app's login, sessions, tokens and access rules and returns severity-rated findings, each with a specific fix.
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/security--env-hardeningEnvironment and headers hardening
Reviews .env files, server settings and HTTP security headers, then generates a hardened configuration with a before and after comparison.
Built here
/security--cors-reviewCORS configuration review
Reviews your CORS setup in Express, FastAPI, Django or Nginx, tightens overly permissive origins and headers, and verifies them with curl.
Built here

Recipe: /pipeline--security-hardening Security Hardening

/security--threat-modelSTRIDE threat model
Analyzes your repo's architecture and writes threat-model.md with a data-flow diagram, rated STRIDE threats and a top-5 action list.
Built here
/testing--contract-testingContract tests between services
Sets up consumer-driven contract tests (Pact by default) so breakages between services are caught at build time without running both together.
Built here
/testing--load-testingLoad testing setup
Sets up load tests with k6, Locust or Artillery: realistic scenarios, pass/fail thresholds and a lightweight smoke gate in CI.
Built here
/testing--mutation-testingMutation testing setup
Sets up mutation testing to measure whether your tests would catch real bugs, then turns surviving mutants into stronger tests.
Built here
/testing--playwright-mcpBrowser automation with Playwright
Drives a real browser through Playwright MCP to navigate, click, fill forms, debug pages and take screenshots.
Built here
/testing--snapshot-updateTest snapshot updates
Reviews failing test snapshots and decides whether each is an intended change, a real bug or a flaky test before updating anything.
Built here

How to ask for it

Install

Pairs well with

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