waitlist-implementation

waitlist-implementation is a cursor rule for Cursor from lacymorrow/paperclip-hub. It costs 0 tokens per session (1,098 once invoked), scanned A, original, MIT.

A guide for building a product waitlist in Next.js, a framework for web applications, with server-side components, form actions, and Drizzle ORM, a tool for working with databases. It describes the pages, services, database table, and email-related form handling.

In plain words
What is it for?
Use it to build a waitlist page, signup form, admin view, database operations, and server-side form actions in a Next.js application.
Why use it?
It removes uncertainty about how the waitlist pieces should be organised and connected. It also specifies data rules such as unique email addresses, indexes, timestamps, and extra metadata.

Cursor rule for Cursor

Written for Cursor: installed under .cursor/.

Good fit Use it to build a waitlist page, signup form, admin view, database operations, and server-side form actions in a Next.js application.

Compare 6 cursor rules from other repositories ↓
Install with agentmods
npx agentmods add rules/lacymorrow/paperclip-hub/waitlist-implementation
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/lacymorrow/paperclip-hub

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for waitlist-implementation

README.md
[![agentmods](https://agentmods.dev/badge/rules/lacymorrow/paperclip-hub/waitlist-implementation/github.svg)](https://agentmods.dev/rules/lacymorrow/paperclip-hub/waitlist-implementation)
Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for waitlist-implementation

Your own site · 80×15
<a href="https://agentmods.dev/rules/lacymorrow/paperclip-hub/waitlist-implementation"><img src="https://agentmods.dev/badge/rules/lacymorrow/paperclip-hub/waitlist-implementation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Nothing until a file matches its globs; then the whole rule loads.
When invoked 1,098 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.01098
Opus 5.5 $0.00000 $0.00439
Sonnet 5.5 $0.00000 $0.00220
Haiku 4.5 $0.00000 $0.00110

Measured yesterday against content hash eb1a29d486ae, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

waitlist-implementation scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursor/rules/waitlist-implementation.mdc · 165 lines

How it starts

The opening of the file, as written. The whole thing — 165 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Waitlist Implementation Guide

Overview

Shipkit includes a complete waitlist feature for product launches. The implementation follows Next.js App Router patterns with Server Components, Server Actions, and Drizzle ORM.

Architecture Pattern

Service Layer Pattern

The waitlist uses individual async functions instead of classes due to Next.js "use server" restrictions:

  • ✅ Correct: Individual exported async functions in waitlist-service.ts
  • ❌ Incorrect: Class-based services (not allowed in "use server" files)

Database Schema

The waitlist table is defined in schema.ts with:

  • Email uniqueness constraints
  • Proper indexing for performance
  • Timestamp tracking for analytics
  • Metadata field for extensibility

File Structure

Core Components

Service Layer

Key Functions

// Service functions (use server)
addWaitlistEntry() - Add new entry to database
isEmailOnWaitlist() - Check for duplicates
getWaitlistEntries() - Paginated retrieval
getWaitlistStats() - Analytics data

// Server actions (use server)
addToWaitlist() - Full signup flow with email
addToWaitlistSimple() - Quick email signup
getWaitlistStats() - Public stats access

Database Patterns

Migration Pattern

Use Drizzle Kit for schema changes:

bun run db:push

Schema Conventions

  • Use createTable with DB_PREFIX from env
  • Include proper indexes for query patterns
  • Use timestamps for audit trails
  • Store metadata as JSON string

Read the full file on GitHub · 165 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 165 lines · 0 tokens per session scan A eb1a29d486ae

Subscribe to this mod's changes

waitlist-implementation is a cursor rule published in the GitHub repository lacymorrow/paperclip-hub (15 stars, last pushed yesterday), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,098 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-10.

Related

waitlist-implementation compared with cursor rules from other repositories

waitlist-implementation next to 6 cursor rules from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
waitlist-implementationlacymorrow/paperclip-hubCursor rule15yesterdayMITA0Cursor
server-actionskrivoox/agent-stack-templateCursor rule301mo agoMITA0Cursor
repository-class-conventionsWebDevPeterGriffin/The-VibeCode-BibleCursor rule427d agononeA149Cursor
payload-configurationshipkit-io/bonesCursor rule21yesterdaynoneA0Cursor
convex-development---generalWebDevPeterGriffin/The-VibeCode-BibleCursor rule427d agononeA84Cursor
graceful-degradationshipkit-io/bonesCursor rule21yesterdaynoneA0Cursor
convex-schema-design---example-schemaWebDevPeterGriffin/The-VibeCode-BibleCursor rule427d agononeA75Cursor