Integrate Anthropic (Claude) with Lucia Auth

The complete guide to connecting Anthropic (Claude) and Lucia Auth in Next.js 15.

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Anthropic (Claude) + Lucia Auth
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Pre-configured Anthropic (Claude) & Lucia Auth SDKs.

Secure Webhook & API Handlers (with error logging).

Responsive UI Components styled with Tailwind (Dark).

Optimized for Next.js 15 & TypeScript.

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Technical Proof & Alternatives

Verified open-source examples and architecture guides for this stack.

AI Architecture Guide

Technical blueprint for integrating Next.js 15 App Router with a high-concurrency PostgreSQL back-end using Drizzle ORM and Neon Serverless. This architecture emphasizes 'use server' directives, React 19 transition primitives, and edge-optimized connection pooling for 2026-grade performance.

lib/integration.ts

1import { drizzle } from 'drizzle-orm/neon-http';
2import { neon } from '@neondatabase/serverless';
3import { pgTable, uuid, text, timestamp } from 'drizzle-orm/pg-core';
4
5// 2026 Schema Definition
6export const profiles = pgTable('profiles', {
7  id: uuid('id').defaultRandom().primaryKey(),
8  username: text('username').unique().notNull(),
9  updatedAt: timestamp('updated_at').defaultNow().$onUpdate(() => new Date()),
10});
11
12const client = neon(process.env.DATABASE_URL!);
13export const db = drizzle(client);
14
15// Next.js 15 Server Action with Strict Typing
16export async function updateProfile(id: string, formData: FormData) {
17  'use server';
18  const newName = formData.get('username') as string;
19  
20  try {
21    await db.update(profiles).set({ username: newName }).where(eq(profiles.id, id));
22    return { success: true };
23  } catch (error) {
24    return { success: false, message: 'Concurrency conflict detected' };
25  }
26}

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