SumonMSelim/stacksmith

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# Stacksmith 🔨 [![Live](https://img.shields.io/badge/demo-stacksmith--seven.vercel.app-7ad1c3)](https://stacksmith-seven.vercel.app) [![License: MIT](https://img.shields.io/badge/license-MIT-a5e962)](LICENSE) [![Code of Conduct](https://img.shields.io/badge/code%20of%20conduct-Contributor%20Covenant%202.1-635bff)](CODE_OF_CONDUCT.md) [![Next.js](https://img.shields.io/badge/Next.js-15-black?logo=nextdotjs)](https://nextjs.org) [![Supabase](https://img.shields.io/badge/Supabase-auth%20%2B%20db-3ecf8e?logo=supabase)](https://supabase.com) [![OpenRouter](https://img.shields.io/badge/OpenRouter-free%20models-8aa4c0)](https://openrouter.ai) [![Deployed on Vercel](https://img.shields.io/badge/Vercel-deployed-black?logo=vercel)](https://vercel.com) **Describe your app in one sentence, get a provisioned architecture plan for the Stripe Projects CLI.** Stacksmith is an AI-powered tool that takes a one-line app idea (e.g. *"I need a private feedback app with login, search, and AI summaries"*) and outputs: - Recommended Stripe Projects providers - Why each service was chosen - Exact `stripe projects add` setup commands - A starter `.env` map Generate anonymously, or log in to save your idea history. **Stack:** Next.js, OpenRouter (AI), Supabase (auth + database), Vercel (hosting), all provisioned via the [Stripe Projects CLI](https://projects.dev). --- ## About this guide This README is a **complete, step-by-step log of how Stacksmith was built and deployed** for the *Build with Stripe Community* hackathon (Stripe Dhaka AI Event 2026). Every step below was actually executed, in order. Follow the same steps to build and ship your own app. > **Hackathon code:** `stripe-dhaka-aievent2026` > **Participant instructions:** https://projects.dev/hackathon-participants > **Leaderboard:** https://projects.dev/leaderboard --- ## Step 0: Prerequisites ✅ You need: - [x] A laptop (not a tablet) - [x] An agentic coding environment (Claude Code, Cursor, Kiro; IDE or terminal-based) - [x] A Stripe account - [x] The Stripe CLI + `projects` plugin ### 0.1 Create a Stripe account (if you don't have one) 1. Go to https://dashboard.stripe.com/register 2. Add a business name 3. Skip additional information for now 4. Click **Go to sandbox** 5. Note your account ID in the URL (looks like `acct_***`); you'll need it for the leaderboard ### 0.2 Install the Stripe CLI + Projects plugin ```shell # macOS (Homebrew) brew install stripe/stripe-cli/stripe && stripe plugin install projects # Any platform (npm) npm i @stripe/cli -g ``` Or just tell your agent: > Install the Stripe CLI, install the `projects` plugin, verify `stripe projects --help` works. Optionally install the Stripe skills for your agent: ```shell npx skills add https://docs.stripe.com # select: stripe-best-practices, stripe-projects ``` ### 0.3 Verify ```shell stripe login stripe --version # we had: 1.50.3 stripe projects --help # plugin works stripe whoami # confirms login + shows acct_*** ``` **Our result:** CLI logged in, plugin installed. ✅ **Checking what the CLI is pointed at:** ```shell stripe whoami # active context + authorized contexts stripe config --list # profiles on this machine stripe switch context <acct_id> --live # switch context without re-auth ``` --- ## Step 1: Initialize Stripe Projects ✅ From the project root (an existing directory is fine, use `--yes`): ```shell stripe projects init stacksmith --yes ``` **Our result:** ``` ○ Creating project "stacksmith"... OK: Authenticated with Stripe │ Project stacksmith (project_***) │ Account Stacksmith (acct_***) │ ✓ Created .projects/ │ ✓ Updated .gitignore │ ✓ Created .claude/settings.json (permissions) │ ✓ Created skills/stripe-projects-cli - 6 files (Claude, Cursor, AGENTS.md) ``` What `init` gives you: - `.projects/state.json`: source of truth for providers/resources (**commit this**) - `.projects/state.local.json`: your account/resource associations (**commit this too**, teammates need it for `stripe projects link`) - `.projects/vault/` + `.env`: credentials (auto-gitignored, **never commit**) - `skills/stripe-projects-cli/`: agent skills so Claude/Cursor know how to drive the CLI --- ## Step 2: Add providers ✅ Stacksmith needs three services. Each provider's terms require explicit acceptance (linking shares your name, email, country, and phone with the provider), so review their ToS first, then add with `--accept-tos`: ```shell # AI - powers the architecture generation stripe projects add openrouter/api --accept-tos --yes # Hosting - plan first, then the project resource stripe projects add vercel/hobby --accept-tos --yes stripe projects add vercel/project --accept-tos --yes # Auth + database - plan first, then the project resource stripe projects add supabase/free --accept-tos --yes stripe projects add supabase/project --accept-tos --yes ``` **Gotchas we hit:** - `PLAN_REQUIRED`: Vercel and Supabase need a *plan* resource provisioned before the *project* resource. The error message tells you the exact command; run it, then retry. - OpenRouter returned a transient `500 Internal Server Error` on first attempt. Retrying a minute later worked. **Verify:** ```shell stripe projects status # all providers checked as Linked, all Free tier stripe projects env # env var NAMES (values redacted) ``` Our `.env` was auto-populated with everything the app needs, no dashboard visits, no copy-pasting keys: | Resource | Env vars | |------------------|------------------------------------------------------------------------------------------------------------------------------------------| | openrouter-api | `OPENROUTER_API_KEY`, `OPENROUTER_TYPE` | | supabase-project | `SUPABASE_PROJECT_URL`, `SUPABASE_PUBLISHABLE_KEY`, `SUPABASE_DB_URL`, `SUPABASE_POOLER_URL`, `SUPABASE_DB_PASS`, `SUPABASE_PROJECT_REF` | | vercel-project | `VERCEL_TOKEN`, `VERCEL_PROJECT_ID`, `VERCEL_ORG_ID`, `VERCEL_PROJECT_URL` | Total cost so far: **€0**, everything on free tiers. --- ## Step 3: Build the app ✅ ### The prompt This was the initial prompt given to the agent, after picking the idea and stack in planning: ```markdown Build "Stacksmith": describe your app in one sentence, get a provisioned architecture plan back. Input: a one-line app idea (e.g. "I need a private feedback app with login, search, and AI summaries"). Output: recommended Stripe Projects providers, why each was chosen, exact `stripe projects add` setup commands, and a starter .env map. Requirements: - Anyone can generate a plan with no login required. - Add an optional login so a user can save their generated plans and revisit them later (idea history). - Use the Stripe Projects CLI to provision whatever services the app itself needs (not the services it recommends to the user). - Stack: Next.js, OpenRouter for the AI call, Supabase for auth + database, Vercel for hosting. - The model must only recommend real Stripe Projects provider slugs, never invented ones, and must get the plan-before-project provisioning order right for providers that need it (e.g. Vercel, Supabase). - Simple, dark UI. Write tests for any non-trivial logic (e.g. parsing the model's JSON output). ``` Key design decisions for Stacksmith: - **The system prompt embeds the provider catalog** so the model only recommends real `stripe projects add` slugs, including the plan-before-project ordering we learned in Step 2. - **Anonymous-first**: anyone can generate; logging in (Supabase magic link) unlocks saved history. - **Free-model fallback chain**: free OpenRouter model pools get rate-limited upstream (we saw live 429s), so the API route tries several `:free` models in order until one answers with parseable JSON. - **Row-level security**: the `stacks` table policies restrict reads/writes to `auth.uid() = user_id`, so the browser can talk to Supabase directly with just the publishable key. ### Apply the database schema We ran `psql` in Docker against the Supabase pooler, with credentials injected via `--env-file .env` (so secrets never get printed): ```shell docker run --rm --env-file .env -v "$PWD/supabase:/sql:ro" postgres:16-alpine sh -c ' pass=$(printf "%s" "$SUPABASE_DB_PASS" | tr -d "\x27\"") purl=$(printf "%s" "$SUPABASE_POOLER_URL" | tr -d "\x27\"" | sed "s/\[YOUR-PASSWORD\]/$pass/") psql "$purl" -v ON_ERROR_STOP=1 -f /sql/schema.sql' ``` **Gotchas we hit:** - `.env` values written by Projects are single-quoted, and Docker's `--env-file` keeps quotes literally; strip them before use. - `SUPABASE_POOLER_URL` contains a literal `[YOUR-PASSWORD]` placeholder; substitute `SUPABASE_DB_PASS` into it. - The direct `SUPABASE_DB_URL` host wasn't reachable from our network (IPv6); the pooler URL worked. ### Test and build ```shell docker run --rm -v "$PWD:/app" -w /app node:22-alpine \ sh -c "npm install && npx vitest run && npm run build" ``` Our result: 5/5 tests passed, clean production build. --- ## Step 4: Deploy ✅ Projects already gave us everything for a fully non-interactive Vercel deploy: `VERCEL_TOKEN`, `VERCEL_PROJECT_ID`, `VERCEL_ORG_ID`. No `vercel login`, no dashboard. Two things to do: copy the runtime env vars to Vercel, then deploy. ```shell docker run --rm --env-file .env -v "$PWD:/app" -w /app node:22-alpine sh -c " clean() { printf '%s' \"\$1\" | tr -d \"'\\\"\"; } export VERCEL_TOKEN=\$(clean \"\$VERCEL_TOKEN\") export VERCEL_ORG_ID=\$(clean \"\$VERCEL_ORG_ID\") export VERCEL_PROJECT_ID=\$(clean \"\$VERCEL_PROJECT_ID\") clean \"\$OPENROUTER_API_KEY\" | npx -y vercel env add OPENROUTER_API_KEY production --force clean \"\$SUPABASE_PROJECT_URL\" | npx -y vercel env add SUPABASE_PROJECT_URL production --force clean \"\$SUPABASE_PUBLISHABLE_KEY\" | npx -y vercel env add SUPABASE_PUBLISHABLE_KEY production --force npx -y vercel deploy --prod -y" ``` (Not using Docker? Plain `npx vercel deploy --prod` works the same once the three `VERCEL_*` vars are exported.) **Gotcha we hit:** our first live test returned `402` from OpenRouter, a fresh account has no credits and the default `openrouter/auto` routes to paid models. Fix: use `:free` models (list them at `https://openrouter.ai/api/v1/models`), and keep a fallback chain because individual free pools return upstream `429`s. **Live app:** https://stacksmith-seven.vercel.app --- ## Step 5: Share & submit to the leaderboard ✅ ```shell stripe projects share # generates a self-contained stack URL stripe whoami # your account ID (acct_*) for the submission form ``` Our share URL: https://projects.dev/s#v1:OpenRouter~api,Supabase~project,Vercel~project Anyone can recreate this exact stack with: ```shell stripe projects init --from "https://projects.dev/s#v1:OpenRouter~api,Supabase~project,Vercel~project" ``` Submit on the leaderboard with hackathon code **`stripe-dhaka-aievent2026`** in the hackathon code field. --- ## Credential hygiene If a credential ever leaks (pasted in a chat, committed by accident), rotate it with one command: ```shell stripe projects rotate supabase/project stripe projects rotate openrouter/api stripe projects env --pull # runs automatically after rotate, but harmless to re-run ``` We rotated our Supabase credentials after this build because the DB password appeared in a local debug log. --- ## Cheat sheet ```shell stripe projects init <app-name> # init a project stripe projects catalog # see providers stripe projects add <provider>/<service> # add a provider stripe projects open <provider> # open provider dashboard stripe projects env --pull # sync env vars stripe projects spend # see your spend stripe projects share # share your project (leaderboard) stripe projects status # check linked providers stripe projects rotate <provider>/<service># rotate credentials ``` Docs: https://docs.stripe.com/projects

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Skills in diesem Repository

Softwareentwickler Netzwerk- und Computersystemadministratoren

2 Berufskategorien · 100% klassifiziert

Skill

Beruf

Beschreibung

Aktualisiert

sp-openrouter

Softwareentwickler

Use for OpenRouter provider guidance in this project.

Quellsprache: Englisch

2026-08-28

sp-supabase

Softwareentwickler

Use for Supabase provider guidance in this project.

Quellsprache: Englisch

2026-08-28

stripe-projects-cli

Netzwerk- und Computersystemadministratoren

Use the Stripe Projects CLI in this repository to manage deploying and access to third party services.

Quellsprache: Englisch

2026-08-28

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