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database-driver-design — Claude Code skill for Swift drivers

Guidance for designing Swift database clients, from protocol handling to connection pools and streamed results. Useful when building a driver or shaping its concurrency model.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add wendylabsinc/claude-skills --skill database-driver-design -a claude-code
Open on GitHub

What database-driver-design does

The skill covers typed commands with associated responses, parameter binding for queries, and explicit state transitions for protocol handling. It also discusses length-prefixed binary data, typed row decoding, and adapting result buffers to consumer demand.

Connection guidance includes pooling, keep-alive behavior, and graceful shutdown. For Swift Concurrency, it describes matching an actor’s executor to a SwiftNIO event loop. That alignment matters when the connection is built on NIO channels. The examples draw on valkey-swift and postgres-nio.

What it helps with

  • model driver commands with typed responses
  • bind query values instead of joining user input into SQL
  • map protocol messages to connection state transitions
  • align an actor’s executor with a SwiftNIO event loop
  • adapt result buffering to consumer demand

Example prompts for the agent

  • Help me design typed commands and responses for a Swift database client.
  • Review the connection state transitions needed to handle this wire protocol.
  • How should this driver apply backpressure while streaming rows through SwiftNIO?

How to install database-driver-design

1Skills CLI (Vercel)

npx skills add wendylabsinc/claude-skills --skill database-driver-design -a claude-code

2Manually: put the files in place

~/.claude/skills/database-driver-design/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/database-driver-design/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about database-driver-design

How do I install database-driver-design in Claude Code?

Run npx skills add wendylabsinc/claude-skills --skill database-driver-design -a claude-code. The skill file is at ~/.claude/skills/database-driver-design/SKILL.md.

What does database-driver-design do?

It offers design guidance for Swift database clients, including typed commands, connection protocol states, pooling, and streamed results.

How does the skill address SQL injection?

It recommends binding query values rather than inserting user input into SQL text. Its interpolation approach turns values into bindings.

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