Can it help with Cloudflare D1 performance issues?

Yes, it includes guidance on indexing strategies, PRAGMA optimization, and utilizing the latest read replication features to significantly reduce global P50 latency.

Does this skill support TypeScript and ORMs?

It is production-tested with TypeScript and Drizzle ORM, providing type-safe query patterns and environment binding configurations for modern web stacks.

How does this skill handle D1 database migrations?

It provides standardized patterns for creating and applying migrations via Wrangler, ensuring they are idempotent and tested locally before production deployment.

What are the main D1 errors this skill prevents?

It actively helps prevent D1_ERROR, SQL statement length limitations, and quota-related 429 errors by enforcing batching and efficient query design.

Cloudflare D1 Database Manager

Name: Cloudflare D1 Database Manager
Author: secondsky

bysecondsky

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Database Management

Manages Cloudflare D1 serverless SQLite databases with best practices for migrations, query optimization, and global read replication.

About

This skill empowers Claude to architect and maintain production-ready Cloudflare D1 databases, covering the entire lifecycle from initial schema design to advanced edge deployment. It provides specialized guidance on idempotent migrations, batch transactions, and performance tuning for the SQLite engine on Cloudflare's edge. By enforcing security patterns like prepared statements and providing troubleshooting for D1-specific errors, it ensures your edge-native applications are scalable, compliant, and highly performant.

Key Features

Comprehensive error handling and troubleshooting for D1-specific error codes
Global read replication configuration and Sessions API integration for low-latency reads
21 GitHub stars
Implementation patterns for atomic transactions and high-performance batch queries
Standardized workflows for Wrangler-based migrations and schema management
Optimized SQL practices including indexing strategies and PRAGMA optimize routines

Use Cases

Optimizing read-heavy workloads with global data localization and read replicas
Managing complex database schema changes across local, preview, and production environments
Architecting serverless SQLite backends for globally distributed Cloudflare Workers

About

Key Features

Comprehensive error handling and troubleshooting for D1-specific error codes
Global read replication configuration and Sessions API integration for low-latency reads
21 GitHub stars
Implementation patterns for atomic transactions and high-performance batch queries
Standardized workflows for Wrangler-based migrations and schema management
Optimized SQL practices including indexing strategies and PRAGMA optimize routines

Use Cases

Optimizing read-heavy workloads with global data localization and read replicas
Managing complex database schema changes across local, preview, and production environments
Architecting serverless SQLite backends for globally distributed Cloudflare Workers