Prompt Lab • Production Prompt Generator

Prompt Lab

Stop getting unpredictable outputs from generic chat prompts. Customize your project parameters and get copy-ready, structured prompts calibrated for Claude and Gemini.

Prompt Blueprint Catalog

Select a category, browse prompt blueprints, and click any row to reveal customizer and instructions.

AI for StartupsClaude 3.7 / Gemini 2.5

Full-Stack Web App MVP Generator

Generate a production-grade, functional MVP web application with local data persistence, interactive state, and zero broken dependencies.

Why This Prompt Works (Engineering Architecture)

Role & Authority

Anchors the AI as a startup CTO, forcing it to write production architecture instead of toy demo snippets.

Persistence Guardrail

Mandating local storage ensures the MVP actually works and remembers data during live founder demos.

Strict Constraints

Explicitly banning unconfigured external APIs eliminates the #1 cause of broken AI-generated code.

Customize Your Project Parameters

Updates live in prompt below
Copy-Ready Master Prompt:Claude 3.7 / Gemini 2.5
READY TO PASTE INTO CLAUDE 3.7 / GEMINI 2.5
You are an elite principal full-stack software architect and startup technical co-founder. Build a production-grade, fully functional Minimum Viable Product (MVP) application for FounderSprint MVP. PRODUCT CONTEXT: Target Audience: Early-stage bootstrapped founders and solopreneurs Core Problem / Benefit: Track weekly validation experiments and user feedback in one clean dashboard Design Theme: Crisp, modern dashboard with Emerald Green (#17834B) accents, light canvas (#F7FAF8), and subtle slate borders (#E2EAE4). CORE SPECIFICATIONS: 1. Architecture: Clean modular structure with strict TypeScript interfaces. 2. State & Storage: Persistent local browser storage pre-seeded with 4 realistic starter records. 3. Interactive Features: - Metric cards showing primary KPIs (Total Items, Active, Completed, Success Rate). - Filterable data table / card grid with search and category tags. - Modal or slide-over drawer to create and edit records with client-side validation. - Quick action buttons with instant optimistic UI updates and toast notifications. 4. Polish: Meaningful empty state when filters return zero results, responsive down to 360px viewport. CONSTRAINTS: - Use clean semantic HTML5, modern Tailwind CSS classes, and standard Lucide or inline SVG icons. - Zero broken imports or unconfigured external paid API requirements. - Output complete, copy-paste runnable code ready to preview immediately.
12 lines • 1416 characters
AI for StartupsClaude 3.7 / Gemini 2.5

High-Converting Startup Landing Page

Generate a conversion-optimized single-page landing page with sticky navigation, trust badges, pricing comparison, FAQ accordion, and lead capture.

AI for StartupsClaude 3.7 / ChatGPT-4o

Startup Pitch & Value Proposition Spec

Craft an investor-grade 1-page startup brief, problem-solution fit narrative, competitive moat breakdown, and initial go-to-market plan.

AI for StartupsClaude 3.7 / ChatGPT-4o

Customer Discovery & Mom-Test Validation Script

Generate unbiased customer discovery interview questions and qualification filters based on Rob Fitzpatrick’s The Mom Test framework.

AI for Coding & DevClaude Code / Google Antigravity / Cursor

Autonomous Coding Agent Task Specification

Bulletproof execution specification for AI coding agents to discover files, plan minimal surgical diffs, and verify builds without regression.

AI for Coding & DevClaude 3.7 / Gemini 2.5

Root-Cause Bug Investigator & Fix Architect

Isolate tricky bugs, race conditions, hydration mismatches, and memory leaks with structured differential diagnosis and regression tests.

AI for Coding & DevClaude 3.7 / Gemini 2.5

REST / GraphQL API & Database Schema Architect

Design type-safe API route handlers, relational Prisma / SQL schemas, Zod validation contracts, and standardized error response envelopes.

AI for Coding & DevClaude 3.7 / Antigravity

Senior Code Refactoring & Performance Audit

Refactor bloated legacy components into modular single-responsibility units while slashing bundle size and guaranteeing WCAG AA accessibility.

AI for Marketing & GrowthClaude 3.7 / Gemini 2.5

Direct-Response Sales Copy & Ad Angle Matrix

Generate high-converting headlines, value hooks, objection crushers, and psychological benefit bullets using the PAS & AIDA frameworks.

AI for Marketing & GrowthClaude 3.7 / Gemini 2.5

SEO Semantic Cluster & Deep Authority Pillar

Build an authoritative, search-intent-aligned comprehensive guide with semantic entity clusters, FAQ schema markup, and rich citations.

AI for Marketing & GrowthClaude 3.7 / Gemini 2.5

High-Response B2B Cold Outreach Sequence

Draft a 3-touch personalized cold email sequence with specific pain triggers, low-friction conversation starters, and zero spam-filter words.

AI for Automation & OpsGemini 2.5 / Claude 3.7

n8n / Zapier Automated Webhook & AI Assistant Flow

Construct resilient multi-step webhook automation workflows with JSON input schemas, LLM structured outputs, and fallback retry loops.

AI for Automation & OpsClaude 3.7 / Gemini 2.5

Customer Support AI Agent with Safety Guardrails

Construct an empathetic, policy-compliant AI customer support system prompt with anti-hallucination guardrails and human escalation triggers.

AI for Automation & OpsGemini 2.5 Flash / Claude 3.7

Automated Unstructured Data & Document Extractor

Transform messy raw emails, customer feedback, invoices, and resumes into strictly typed, sanitized JSON objects for downstream database ingestion.

Video & ScriptingClaude 3.7 Sonnet / ChatGPT

Viral YouTube Short & Reel Script Generator

Generates high-retention 60-second video scripts with visual cues, voiceover directions, and seamless ending loops.

Thumbnails & ArtMidjourney v6 / Flux

High-CTR YouTube Thumbnail Prompt Generator

Generates bold visual thumbnail composition prompts optimized for 15%+ click-through rates.

Content & Social MediaClaude 3.7 / ChatGPT-4o / Gemini 2.5

Discover Useful Content Ideas

Suggest 10 audience-problem-driven social media post ideas based on problems, common questions, and misconceptions with attention-grabbing opening lines and practical takeaways.

Content & Social MediaClaude 3.7 / ChatGPT-4o / Gemini 2.5

Plan a Week of Content

Create a realistic 7-day content plan with educational value, practical tips, audience questions, hooks, and clear CTAs.

Content & Social MediaClaude 3.7 / ChatGPT-4o / Gemini 2.5

Turn an Idea into a Complete Post

Write an engaging social media post from a raw concept with a strong hook, 3 actionable points, and a conversation-starting question.

Content & Social MediaClaude 3.7 / ChatGPT-4o / Gemini 2.5

Improve Your Existing Content

Act as a careful editor to review drafts for clarity, flow, and usefulness, identify 3 main weaknesses, and deliver a clean rewrite.

Content & Social MediaClaude 3.7 / ChatGPT-4o / Gemini 2.5

Turn One Post into Multiple Formats

Repurpose a single core post into 3 native platform formats: a short feed post, a 30-45s Reel script with visual cues, and a 5-slide carousel.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Discover a Profitable Facebook Content Angle

Identify an untapped, high-demand content angle on Facebook with strong audience interest and low competition.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Build a 30-Day Facebook Content System

Design an end-to-end 30-day content calendar structured for Facebook reach, storytelling, viral hooks, and high comments.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Generate Scroll-Stopping Facebook Hooks

Craft 50 high-engagement, human-sounding hooks that freeze the feed and spark instant curiosity.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Create High-Retention Facebook Video Ideas

Produce 20 viral short-form Facebook Reel and video concepts with 3-second hooks, text overlays, and psychological triggers.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Write Engaging Facebook Captions

Write authentic, story-driven Facebook captions in simple conversational prose optimized for comments and emotional connection.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Optimize Facebook Page Bio & About Section

Rewrite your Facebook page bio, intro, and about section to establish instant authority and turn profile visitors into followers.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Analyze Successful Facebook Creators & Pages

Reverse-engineer top creators in your niche to extract their engagement patterns, emotional hooks, and share mechanics.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Monetize a Facebook Audience & Page

Design a realistic, high-margin monetization strategy combining digital products, affiliate deals, client leads, and organic sales.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Diagnose Low Facebook Reach & Engagement

Perform a rigorous root-cause audit on underperforming Facebook posts and craft a step-by-step algorithmic revival plan.

Content & Social MediaChatGPT / Claude 3.5 / Gemini Pro

Build an Expert-Level Facebook Brand

Position yourself as a credible, influential go-to authority in your niche using long-term trust, frameworks, and thought leadership.

AI for AutomationMuse AI / Claude 3.7 / GPT-4o

LinkedIn Automation & Thought Leadership with Muse AI

Architect an autonomous LinkedIn publishing engine using Muse AI with a strict human-in-the-loop review guardrail — zero unverified auto-uploads.

AI for Coding & DevClaude 3.7 / Gemini 2.5 Pro / GPT-4o

Student to Standout: Design Portfolio & Personal Brand

Break out of the student resume pile with an irresistible proof-of-work portfolio, interactive product case studies, and an unmistakable personal brand identity.

5 Core Pillars of an Effective AI Prompt

1. Role & Persona

Expert Persona Definition

Instruct the AI to think as a senior frontend engineer, full-stack architect, or automation specialist to establish depth.

2. Objective & Audience

Target Audience Context

Define specifically who will use the output and the primary value proposition, anchoring the generated copy.

3. Technical Requirements

Explicit Specifications

List layout sections, color tokens (#0D6E42), mobile responsiveness requirements, and functional state interactions.

4. Constraints & Guardrails

Strict Boundaries

Specify what the model must NOT do: never expose API keys client-side, zero unimported packages, and zero horizontal scroll.

5. Acceptance Criteria

Verification & Output Format

Require runnable code blocks or strict JSON structures so your application frontend can parse outputs immediately.