Summary
Covers the fundamentals of preventing SQL injection with prepared statements, parameterized queries, and input validation across multiple stacks. Includes working examples for Node.js with PostgreSQL, Python with SQLAlchemy, and Java JDBC, plus a dedicated guide on input sanitization. The do's and don'ts are straightforward: always use prepared statements, never concatenate user input into queries, whitelist dynamic values when you absolutely need them. If you're writing database code or reviewing legacy systems for vulnerabilities, this gives you the patterns to lock things down. The reference implementations are practical enough to adapt directly into your codebase.
Install to Claude Code
npx -y skills add aj-geddes/useful-ai-prompts --skill sql-injection-prevention --agent claude-codeInstalls into .claude/skills of the current project.
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Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
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