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Replit Environment Upgrade and Migration

replit-upgrade-migration

jeremylongshore/claude-code-plugins-plus-skills

This comprehensive guide outlines the necessary steps for major Replit environment upgrades and data migration. It covers updating Nix channels, upgrading runtimes (Node.js, Python), and migrating critical data from Replit KV databases to PostgreSQL or Object Storage. It also details switching between deployment types, ensuring a smooth and stable transition for production applications.

Database Security Scanner

scanning-database-security

jeremylongshore/claude-code-plugins-plus-skills

Performs OWASP-guided security scans on PostgreSQL and MySQL databases via the database-security-scanner plugin, identifying weak passwords, SQL injection risks, and misconfigurations while generating reports and remediation advice.

Input Validation Scanner

scanning-input-validation-practices

jeremylongshore/claude-code-plugins-plus-skills

Automatically scans code for missing or weak input validation, highlighting potential XSS, SQL injection, or command injection risks so developers can harden their applications during reviews or audits.

Application Security Hardening

security-hardening

rohitg00/awesome-claude-code-toolkit

Comprehensive checklist for application security hardening, covering input validation, output encoding, SQL/CSRF defenses, security headers, JWT best practices, secrets handling, rate limiting, and dependency audits to keep web services resilient.

Code Vulnerability SAST Analysis Tool

security-scanning-security-sast

sickn33/antigravity-awesome-skills

Perform Static Application Security Testing (SAST) to identify critical security vulnerabilities, including SQL injection, XSS, hardcoded secrets, and path traversal, directly from source code. Supports multi-language ecosystems (Python, JavaScript, Java, Go, etc.) and major frameworks, enabling crucial pre-deployment security validation and compliance checks (OWASP, PCI-DSS).

API, Database, And Backend Engineering Toolkit

alirezarezvani/claude-skills

A comprehensive toolset for the full backend development lifecycle. This suite enables developers to scaffold API routes from OpenAPI specifications, manage complex database migrations and optimization (PostgreSQL), and perform rigorous load/performance testing. It supports building robust microservices, securing REST APIs, and ensuring system scalability.

SQL Injection Testing

sql-injection-testing

sickn33/antigravity-awesome-skills

Execute systematic SQL injection vulnerability assessments on web applications using reconnaissance, payload tuning, and exploitation workflows to uncover database flaws, capture evidence, and validate remediation recommendations for authorized security testing.

Optimizing Slow Database Queries

sql-optimization-patterns

sickn33/antigravity-awesome-skills

This skill provides systematic patterns and best practices for transforming slow database queries into high-performance operations. It covers techniques like proper indexing, query plan analysis (e.g., using EXPLAIN), schema design improvements, and resolving common issues like N+1 query problems. Use it to debug performance bottlenecks, reduce database load, and ensure scalable application backends.

SQL Query Optimization and Database Design

Jeffallan/claude-skills

A comprehensive skill for optimizing complex SQL queries, designing robust database schemas, and troubleshooting performance bottlenecks across various dialects (PostgreSQL, MySQL, etc.). Use this when queries are slow, complex set-based logic is needed (CTEs, Window Functions), or when structuring/migrating a database schema. It provides detailed query plan analysis, advanced indexing strategies, and industry best practices.

SQLMap Database Pentesting

sqlmap-database-pentesting

sickn33/antigravity-awesome-skills

Guides analysts through automated SQL injection discovery and exploitation with SQLMap, covering enumeration, table/column mapping, data dumping, and advanced targeting across MySQL, PostgreSQL, MSSQL, Oracle, and other databases during authorized penetration tests.

Debugging and Fixing Supabase Errors

supabase-common-errors

jeremylongshore/claude-code-plugins-plus-skills

A comprehensive diagnostic guide for resolving common errors across the entire Supabase stack, including PostgREST, PostgreSQL, Authentication, and Storage. Use this tool when encountering specific error codes (e.g., PGRST301, 42501) or debugging complex API failures like RLS violations or session expiry. It provides step-by-step instructions for identifying the error layer and applying the correct fix.

Supabase Custom Role-Based Access Control

supabase-enterprise-rbac

jeremylongshore/claude-code-plugins-plus-skills

Implements a robust, enterprise-grade Role-Based Access Control (RBAC) system for Supabase. This skill teaches how to store custom roles (e.g., admin, editor, viewer) in JWT claims (`app_metadata`), enforce granular permissions, and scope access at the row level using PostgreSQL RLS policies. It covers organization scoping, role hierarchy management, and API key protection.

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