Agent skill

Supabase Node

by alinaqi in alinaqi/maggy

Express/Hono with Supabase and Drizzle ORM. An agent skill from alinaqi/maggy.

MITAuto-check: notesDatabases

Install Supabase Node

skills CLI
$ npx skills add alinaqi/maggy --skill supabase-node -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install alinaqi/maggy supabase-node --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/alinaqi/maggy.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/supabase-node .claude/skills/supabase-node && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
supabase-node
GitHub stars
707
Token cost
~4.4k tokens
SKILL.md length
156 words
Files
1
Skills in repo
71
Repo updated
First seen
Licence
MIT

At a glance

Express/Hono with Supabase and Drizzle ORM. An agent skill from alinaqi/maggy.

  • Databases work in your project
  • SKILL.md covers Core Principle, Project Structure, Setup and Configuration, plus 8 more sections
  • Calls npm and supabase; needs SUPABASE_ANON_KEY and SUPABASE_SERVICE_ROLE_KEY

What it does

Supabase Node is an agent skill from alinaqi/maggy. Express/Hono with Supabase and Drizzle ORM

Its SKILL.md is about 4.4k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Databases. It works with Supabase, Drizzle ORM and Hono. The repository describes itself as: What started as an opinionated Claude Code setup kit is now an autonomous AI engineering command center. The licence is MIT.

When your agent uses it

  • Databases work in your project

Example prompts

  • “/supabase-node”

Requirements

  • Node.js
  • A credential in SUPABASE_ANON_KEY
  • A credential in SUPABASE_SERVICE_ROLE_KEY

What it can do on your machine

Read from SKILL.md and the folder at commit 72a456e. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npm
    • supabase

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • supabase.com
    • orm.drizzle.team

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • SUPABASE_ANON_KEY
    • SUPABASE_SERVICE_ROLE_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Supabase Node loads about 4.4k tokens when it runs. Until then it costs about 14 tokens; SKILL.md has 156 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~14
When it runs · the whole SKILL.md, loaded when a task matches
~4.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:57
    └── .env
  • NoteMentions a .env fileSKILL.md:86
    # .env

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from alinaqi/maggy at commit 72a456e, republished under its MIT licence (© alinaqi). 156 words, ~4,427 tokens.

Download SKILL.mdSave it as .claude/skills/supabase-node/SKILL.md (or your agent's skills folder).
name
supabase-node
description
Express/Hono with Supabase and Drizzle ORM
when-to-use
When building a Node.js backend with Supabase
user-invocable
false
paths
src/api/**, src/routes/**, supabase/**
effort
medium

Supabase + Node.js Skill

Express/Hono patterns with Supabase Auth and Drizzle ORM.

Sources: Supabase JS Client | Drizzle ORM


Core Principle

Drizzle for queries, Supabase for auth/storage, middleware for validation.

Use Drizzle ORM for type-safe database access. Use Supabase client for auth verification, storage, and realtime. Express or Hono for the API layer.


Project Structure

project/
├── src/
│   ├── routes/
│   │   ├── index.ts             # Route aggregator
│   │   ├── auth.ts
│   │   ├── posts.ts
│   │   └── users.ts
│   ├── middleware/
│   │   ├── auth.ts              # JWT validation
│   │   ├── error.ts             # Error handler
│   │   └── validate.ts          # Request validation
│   ├── db/
│   │   ├── index.ts             # Drizzle client
│   │   ├── schema.ts            # Schema definitions
│   │   └── queries/             # Query functions
│   ├── lib/
│   │   ├── supabase.ts          # Supabase client
│   │   └── config.ts            # Environment config
│   ├── types/
│   │   └── express.d.ts         # Express type extensions
│   └── index.ts                 # App entry point
├── supabase/
│   ├── migrations/
│   └── config.toml
├── drizzle.config.ts
├── package.json
├── tsconfig.json
└── .env

Setup

Install Dependencies
bash
npm install express cors helmet dotenv @supabase/supabase-js drizzle-orm postgres zod
npm install -D typescript @types/express @types/cors @types/node tsx drizzle-kit
package.json Scripts
json
{
  "scripts": {
    "dev": "tsx watch src/index.ts",
    "build": "tsc",
    "start": "node dist/index.js",
    "db:generate": "drizzle-kit generate",
    "db:push": "drizzle-kit push",
    "db:studio": "drizzle-kit studio"
  }
}
Environment Variables
bash
# .env
PORT=3000
NODE_ENV=development

# Supabase
SUPABASE_URL=http://localhost:54321
SUPABASE_ANON_KEY=<from supabase start>
SUPABASE_SERVICE_ROLE_KEY=<from supabase start>

# Database
DATABASE_URL=postgresql://postgres:postgres@localhost:54322/postgres

Configuration

src/lib/config.ts
typescript
import { z } from 'zod';
import dotenv from 'dotenv';

dotenv.config();

const envSchema = z.object({
  PORT: z.string().default('3000'),
  NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
  SUPABASE_URL: z.string().url(),
  SUPABASE_ANON_KEY: z.string(),
  SUPABASE_SERVICE_ROLE_KEY: z.string(),
  DATABASE_URL: z.string(),
});

export const config = envSchema.parse(process.env);

Database Setup

drizzle.config.ts
typescript
import { defineConfig } from 'drizzle-kit';
import { config } from './src/lib/config';

export default defineConfig({
  schema: './src/db/schema.ts',
  out: './supabase/migrations',
  dialect: 'postgresql',
  dbCredentials: {
    url: config.DATABASE_URL,
  },
  schemaFilter: ['public'],
});
src/db/index.ts
typescript
import { drizzle } from 'drizzle-orm/postgres-js';
import postgres from 'postgres';
import * as schema from './schema';
import { config } from '../lib/config';

const client = postgres(config.DATABASE_URL, {
  prepare: false, // Required for Supabase pooling
});

export const db = drizzle(client, { schema });
src/db/schema.ts
typescript
import {
  pgTable,
  uuid,
  text,
  timestamp,
  boolean,
} from 'drizzle-orm/pg-core';

export const profiles = pgTable('profiles', {
  id: uuid('id').primaryKey(),
  email: text('email').notNull(),
  name: text('name'),
  avatarUrl: text('avatar_url'),
  createdAt: timestamp('created_at').defaultNow().notNull(),
  updatedAt: timestamp('updated_at').defaultNow().notNull(),
});

export const posts = pgTable('posts', {
  id: uuid('id').primaryKey().defaultRandom(),
  authorId: uuid('author_id').references(() => profiles.id).notNull(),
  title: text('title').notNull(),
  content: text('content'),
  published: boolean('published').default(false),
  createdAt: timestamp('created_at').defaultNow().notNull(),
});

// Type exports
export type Profile = typeof profiles.$inferSelect;
export type NewProfile = typeof profiles.$inferInsert;
export type Post = typeof posts.$inferSelect;
export type NewPost = typeof posts.$inferInsert;

Supabase Client

src/lib/supabase.ts
typescript
import { createClient, SupabaseClient, User } from '@supabase/supabase-js';
import { config } from './config';

// Client with anon key (respects RLS)
export const supabase = createClient(
  config.SUPABASE_URL,
  config.SUPABASE_ANON_KEY
);

// Admin client (bypasses RLS)
export const supabaseAdmin = createClient(
  config.SUPABASE_URL,
  config.SUPABASE_SERVICE_ROLE_KEY,
  {
    auth: {
      autoRefreshToken: false,
      persistSession: false,
    },
  }
);

// Verify JWT and get user
export async function verifyToken(token: string): Promise<User | null> {
  const { data: { user }, error } = await supabase.auth.getUser(token);

  if (error || !user) {
    return null;
  }

  return user;
}

Type Extensions

src/types/express.d.ts
typescript
import { User } from '@supabase/supabase-js';

declare global {
  namespace Express {
    interface Request {
      user?: User;
    }
  }
}

export {};

Middleware

src/middleware/auth.ts
typescript
import { Request, Response, NextFunction } from 'express';
import { verifyToken } from '../lib/supabase';

export async function requireAuth(
  req: Request,
  res: Response,
  next: NextFunction
) {
  const authHeader = req.headers.authorization;

  if (!authHeader?.startsWith('Bearer ')) {
    return res.status(401).json({ error: 'Missing authorization header' });
  }

  const token = authHeader.split(' ')[1];
  const user = await verifyToken(token);

  if (!user) {
    return res.status(401).json({ error: 'Invalid token' });
  }

  req.user = user;
  next();
}

// Optional auth - continues even without token
export async function optionalAuth(
  req: Request,
  res: Response,
  next: NextFunction
) {
  const authHeader = req.headers.authorization;

  if (authHeader?.startsWith('Bearer ')) {
    const token = authHeader.split(' ')[1];
    req.user = await verifyToken(token) ?? undefined;
  }

  next();
}
src/middleware/error.ts
typescript
import { Request, Response, NextFunction } from 'express';

export class AppError extends Error {
  constructor(
    public statusCode: number,
    message: string
  ) {
    super(message);
    this.name = 'AppError';
  }
}

export function errorHandler(
  err: Error,
  req: Request,
  res: Response,
  next: NextFunction
) {
  console.error(err);

  if (err instanceof AppError) {
    return res.status(err.statusCode).json({ error: err.message });
  }

  return res.status(500).json({ error: 'Internal server error' });
}
src/middleware/validate.ts
typescript
import { Request, Response, NextFunction } from 'express';
import { z, ZodSchema } from 'zod';

export function validate<T extends ZodSchema>(schema: T) {
  return (req: Request, res: Response, next: NextFunction) => {
    try {
      req.body = schema.parse(req.body);
      next();
    } catch (error) {
      if (error instanceof z.ZodError) {
        return res.status(400).json({
          error: 'Validation failed',
          details: error.errors,
        });
      }
      next(error);
    }
  };
}

Routes

src/routes/auth.ts
typescript
import { Router } from 'express';
import { z } from 'zod';
import { supabase } from '../lib/supabase';
import { validate } from '../middleware/validate';

const router = Router();

const signUpSchema = z.object({
  email: z.string().email(),
  password: z.string().min(8),
});

const signInSchema = z.object({
  email: z.string().email(),
  password: z.string(),
});

router.post('/signup', validate(signUpSchema), async (req, res, next) => {
  try {
    const { email, password } = req.body;

    const { data, error } = await supabase.auth.signUp({
      email,
      password,
    });

    if (error) {
      return res.status(400).json({ error: error.message });
    }

    return res.status(201).json({
      user: data.user,
      session: data.session,
    });
  } catch (error) {
    next(error);
  }
});

router.post('/signin', validate(signInSchema), async (req, res, next) => {
  try {
    const { email, password } = req.body;

    const { data, error } = await supabase.auth.signInWithPassword({
      email,
      password,
    });

    if (error) {
      return res.status(401).json({ error: 'Invalid credentials' });
    }

    return res.json({
      user: data.user,
      session: data.session,
    });
  } catch (error) {
    next(error);
  }
});

router.post('/signout', async (req, res) => {
  await supabase.auth.signOut();
  return res.json({ message: 'Signed out' });
});

router.post('/refresh', async (req, res, next) => {
  try {
    const { refresh_token } = req.body;

    const { data, error } = await supabase.auth.refreshSession({
      refresh_token,
    });

    if (error) {
      return res.status(401).json({ error: 'Invalid refresh token' });
    }

    return res.json({
      session: data.session,
    });
  } catch (error) {
    next(error);
  }
});

export default router;
src/routes/posts.ts
typescript
import { Router } from 'express';
import { z } from 'zod';
import { eq, desc } from 'drizzle-orm';
import { db } from '../db';
import { posts, Post } from '../db/schema';
import { requireAuth, optionalAuth } from '../middleware/auth';
import { validate } from '../middleware/validate';
import { AppError } from '../middleware/error';

const router = Router();

const createPostSchema = z.object({
  title: z.string().min(1).max(200),
  content: z.string().optional(),
  published: z.boolean().default(false),
});

const updatePostSchema = createPostSchema.partial();

// List all published posts
router.get('/', optionalAuth, async (req, res, next) => {
  try {
    const result = await db
      .select()
      .from(posts)
      .where(eq(posts.published, true))
      .orderBy(desc(posts.createdAt));

    return res.json(result);
  } catch (error) {
    next(error);
  }
});

// List user's posts
router.get('/me', requireAuth, async (req, res, next) => {
  try {
    const result = await db
      .select()
      .from(posts)
      .where(eq(posts.authorId, req.user!.id))
      .orderBy(desc(posts.createdAt));

    return res.json(result);
  } catch (error) {
    next(error);
  }
});

// Get single post
router.get('/:id', async (req, res, next) => {
  try {
    const [post] = await db
      .select()
      .from(posts)
      .where(eq(posts.id, req.params.id))
      .limit(1);

    if (!post) {
      throw new AppError(404, 'Post not found');
    }

    return res.json(post);
  } catch (error) {
    next(error);
  }
});

// Create post
router.post('/', requireAuth, validate(createPostSchema), async (req, res, next) => {
  try {
    const [post] = await db
      .insert(posts)
      .values({
        ...req.body,
        authorId: req.user!.id,
      })
      .returning();

    return res.status(201).json(post);
  } catch (error) {
    next(error);
  }
});

// Update post
router.patch('/:id', requireAuth, validate(updatePostSchema), async (req, res, next) => {
  try {
    const [post] = await db
      .update(posts)
      .set(req.body)
      .where(eq(posts.id, req.params.id))
      .returning();

    if (!post) {
      throw new AppError(404, 'Post not found');
    }

    return res.json(post);
  } catch (error) {
    next(error);
  }
});

// Delete post
router.delete('/:id', requireAuth, async (req, res, next) => {
  try {
    const [post] = await db
      .delete(posts)
      .where(eq(posts.id, req.params.id))
      .returning();

    if (!post) {
      throw new AppError(404, 'Post not found');
    }

    return res.status(204).send();
  } catch (error) {
    next(error);
  }
});

export default router;
src/routes/index.ts
typescript
import { Router } from 'express';
import authRoutes from './auth';
import postRoutes from './posts';

const router = Router();

router.use('/auth', authRoutes);
router.use('/posts', postRoutes);

export default router;

Main Application

src/index.ts
typescript
import express from 'express';
import cors from 'cors';
import helmet from 'helmet';
import routes from './routes';
import { errorHandler } from './middleware/error';
import { config } from './lib/config';

const app = express();

// Security middleware
app.use(helmet());
app.use(cors());
app.use(express.json());

// Health check
app.get('/health', (req, res) => {
  res.json({ status: 'healthy' });
});

// API routes
app.use('/api', routes);

// Error handler (must be last)
app.use(errorHandler);

app.listen(config.PORT, () => {
  console.log(`Server running on port ${config.PORT}`);
});

export default app;

Query Functions

src/db/queries/posts.ts
typescript
import { db } from '../index';
import { posts, profiles } from '../schema';
import { eq, desc, and } from 'drizzle-orm';

export async function getPublishedPosts(limit = 10) {
  return db
    .select({
      id: posts.id,
      title: posts.title,
      content: posts.content,
      author: profiles.name,
      createdAt: posts.createdAt,
    })
    .from(posts)
    .innerJoin(profiles, eq(posts.authorId, profiles.id))
    .where(eq(posts.published, true))
    .orderBy(desc(posts.createdAt))
    .limit(limit);
}

export async function getUserPosts(userId: string) {
  return db
    .select()
    .from(posts)
    .where(eq(posts.authorId, userId))
    .orderBy(desc(posts.createdAt));
}

export async function getPostById(id: string) {
  const [post] = await db
    .select()
    .from(posts)
    .where(eq(posts.id, id))
    .limit(1);

  return post ?? null;
}

export async function createPost(data: {
  title: string;
  content?: string;
  authorId: string;
  published?: boolean;
}) {
  const [post] = await db.insert(posts).values(data).returning();
  return post;
}

Storage

Upload Endpoint
typescript
import multer from 'multer';
import { supabase } from '../lib/supabase';

const upload = multer({ storage: multer.memoryStorage() });

router.post(
  '/avatar',
  requireAuth,
  upload.single('file'),
  async (req, res, next) => {
    try {
      if (!req.file) {
        throw new AppError(400, 'No file uploaded');
      }

      const fileExt = req.file.originalname.split('.').pop();
      const filePath = `${req.user!.id}/avatar.${fileExt}`;

      const { error } = await supabase.storage
        .from('avatars')
        .upload(filePath, req.file.buffer, {
          contentType: req.file.mimetype,
          upsert: true,
        });

      if (error) {
        throw new AppError(500, 'Upload failed');
      }

      const { data } = supabase.storage
        .from('avatars')
        .getPublicUrl(filePath);

      return res.json({ url: data.publicUrl });
    } catch (error) {
      next(error);
    }
  }
);

Hono Alternative

For edge deployments or lighter weight:

src/index.ts (Hono)
typescript
import { Hono } from 'hono';
import { cors } from 'hono/cors';
import { jwt } from 'hono/jwt';
import { db } from './db';
import { posts } from './db/schema';
import { eq, desc } from 'drizzle-orm';
import { config } from './lib/config';

const app = new Hono();

app.use('/*', cors());

// Public routes
app.get('/posts', async (c) => {
  const result = await db
    .select()
    .from(posts)
    .where(eq(posts.published, true))
    .orderBy(desc(posts.createdAt));

  return c.json(result);
});

// Protected routes
app.use('/api/*', async (c, next) => {
  const auth = c.req.header('Authorization');
  if (!auth?.startsWith('Bearer ')) {
    return c.json({ error: 'Unauthorized' }, 401);
  }
  // Verify with Supabase...
  await next();
});

app.post('/api/posts', async (c) => {
  const body = await c.req.json();
  const [post] = await db.insert(posts).values(body).returning();
  return c.json(post, 201);
});

export default app;

Testing

tests/setup.ts
typescript
import { beforeAll, afterAll, beforeEach } from 'vitest';
import { db } from '../src/db';
import { posts, profiles } from '../src/db/schema';

beforeAll(async () => {
  // Setup test database
});

beforeEach(async () => {
  // Clean tables
  await db.delete(posts);
  await db.delete(profiles);
});

afterAll(async () => {
  // Cleanup
});
tests/posts.test.ts
typescript
import { describe, it, expect } from 'vitest';
import request from 'supertest';
import app from '../src/index';

describe('Posts API', () => {
  it('should list published posts', async () => {
    const res = await request(app)
      .get('/api/posts')
      .expect(200);

    expect(Array.isArray(res.body)).toBe(true);
  });

  it('should require auth to create post', async () => {
    await request(app)
      .post('/api/posts')
      .send({ title: 'Test' })
      .expect(401);
  });
});

Anti-Patterns

  • Using Supabase client for DB queries - Use Drizzle
  • Sync JWT validation - Keep it async
  • No input validation - Use Zod middleware
  • Missing error handling - Use centralized error handler
  • Hardcoded secrets - Use environment variables
  • No request logging - Add morgan or pino
  • Blocking the event loop - Use async throughout
  • Service key in responses - Never expose

© alinaqi, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/supabase-node of alinaqi/maggy.

Open the folder on GitHubat commit 72a456e

Compare with similar skills

Supabase Node next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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Better Drizzlealmeidazs/better-drizzle347—~1.7kAutomated safety check: PassApache-2.0

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Categories

Questions about Supabase Node

What does Supabase Node do?

Express/Hono with Supabase and Drizzle ORM. An agent skill from alinaqi/maggy. Supabase Node is an agent skill from alinaqi/maggy.

When should I use Supabase Node?

Supabase Node fits situations like: databases work in your project.

How do I install Supabase Node in Claude Code?

Run `npx skills add alinaqi/maggy --skill supabase-node -a claude-code`. Or copy the skill folder (skills/supabase-node in alinaqi/maggy) into .claude/skills/supabase-node in your project. Claude Code loads it when a task matches its description.

How do I install Supabase Node in Codex?

Run `npx skills add alinaqi/maggy --skill supabase-node -a codex`. Or copy the skill folder (skills/supabase-node in alinaqi/maggy) into .agents/skills/supabase-node in your project. Codex loads it when a task matches its description.

Can I use Supabase Node in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add alinaqi/maggy --skill supabase-node -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/supabase-node, .gemini/skills/supabase-node, .github/skills/supabase-node and .opencode/skills/supabase-node in your project.

What does Supabase Node need to run?

Going by SKILL.md and its folder, Supabase Node needs the command-line tools its instructions call (npm and supabase) and credentials named SUPABASE_ANON_KEY and SUPABASE_SERVICE_ROLE_KEY. Our summary lists: Node.js; A credential in SUPABASE_ANON_KEY; A credential in SUPABASE_SERVICE_ROLE_KEY.

Does Supabase Node access the network?

SKILL.md names 2 domains. As links in the text: supabase.com and orm.drizzle.team. This is read from the text; nothing was executed.

Is Supabase Node safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Supabase Node use?

Supabase Node is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Supabase Node use?

About 4.4k tokens (SKILL.md is roughly 18k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Supabase Node?

Skills that share tags, products or a category with Supabase Node: Add Backend (ahpxex/open-dashboard, 146 stars), Sync Template (tsu-moe/tsu-stack, 126 stars), Better Auth (pproenca/dot-skills, 214 stars) and Supabase Postgres Best Practices (supabase/agent-skills, 2.7k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Supabase Node?

alinaqi (a GitHub user) maintains it in alinaqi/maggy, which has 707 GitHub stars. The repository holds 71 skills in this directory. The repository was last updated on September 24, 2026.

Source: alinaqi/maggy on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.