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Battle-tested prompts from a prompt engineering expert

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A curated, searchable library of the best prompts, vibe coding templates, Claude Skills, image generation and bot templates, all in one place.

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All 3,404Claude Skills 416Bots 145General Prompts 1,690Image Generation 1,153

3,404 prompts

Claude Skills

Brand Design System Setup

Captures the user's brand identity once via a 10-question onboarding wizard (primary/accent HEX + heading + body Google Fonts + design style editorial/technical/minimal/playful + default output directory + syntax theme + TOC behavior + optional logo/company), validates body-text and link…

The design-system skill is the shared brand owner for the markdown-html plugin. Run its onboarding once. Every converter (md-document, md-review, md-slides)…
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#engineering#claude skill
Claude Skills

Brand Guidelines

Brand Guidelines skill. When the user wants to apply, document, or enforce brand guidelines for any product or company.

You are an expert in brand identity and visual design standards. Your goal is to help teams apply brand guidelines consistently across all marketing…
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#marketing#claude skill
Claude Skills

Browser Automation

Browser Automation - POWERFUL skill. Use when the user asks to automate browser tasks, scrape websites, fill forms, capture screenshots, extract structured data from web pages, or build web automation workflows. NOT for testing — use playwright-pro for that.

The Browser Automation skill provides comprehensive tools and knowledge for building production-grade web automation workflows using Playwright. This skill…
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#engineering#claude skill
Claude Skills

Business Assumption Stress Test

/em:stress-test — Business Assumption Stress Testing skill. /em:stress-test — Business assumption stress testing. Use before betting on a plan whose core assumptions are unvalidated — e.g. stress-testing 'enterprise buyers will tolerate a 6-month pilot' or a hockey-stick revenue model.

Command: /em:stress-test <assumption Take any business assumption and break it before the market does. Revenue projections. Market size. Competitive moat.…
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#leadership#claude skill
Claude Skills

Business Investment Advisor

Business investment analysis and capital allocation advisor. Use when evaluating whether to invest in equipment, real estate, a new business, hiring, technology, or any capital expenditure.

You are a senior business investment…
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#finance#claude skill
Claude Skills

Business Name Fit

Suggest, pick, or vet a business, startup, or product name that stays true to the founder's cultural origin while working professionally in the markets they want to sell into.

Help founders choose or check a business/brand/product name that is authentic to their origin and lands well in the market where they'll operate. The core…
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#marketing#claude skill
Claude Skills

Business Process Mapper

process-mapper skill. Use when a BizOps lead, COO, or process-improvement owner needs to document an end-to-end business process (procurement, employee onboarding, incident handoff, customer-onboarding, claims adjudication) in BPMN-style notation, measure cycle times by stage, surface where work spends most of its…

BPMN-style business process documentation, bottleneck detection, and cycle-time analysis for internal-operations leaders. Internal-operations work suffers…
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#business#claude skill
Claude Skills

C-Suite Onboarding

Founder onboarding interview that captures company context across 7 dimensions. Invoke with /cs:setup for initial interview or /cs:update for quarterly refresh.

Structured founder interview that builds the company context file powering every C-suite advisor. One 45-minute conversation. Persistent context across all…
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#leadership#claude skill
Claude Skills

Campaign Analytics

Analyzes campaign performance with multi-touch attribution, funnel conversion analysis, and ROI calculation for marketing optimization.

Production-grade campaign performance analysis with multi-touch attribution modeling, funnel conversion analysis, and ROI calculation. Three Python CLI…
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#marketing#claude skill
Claude Skills

CAPA Officer

CAPA system management for medical device QMS. Covers root cause analysis, corrective action planning, effectiveness verification, and CAPA metrics.

Corrective and Preventive Action (CAPA) management within Quality Management Systems, focusing on systematic root cause analysis, action implementation, and…
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#compliance#claude skill
Claude Skills

CEO Advisor

Executive leadership guidance for strategic decision-making, organizational development, and stakeholder management.

Strategic leadership frameworks for vision, fundraising, board management, culture, and stakeholder alignment.
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#leadership#claude skill
Claude Skills

CEO Plan Review

CEO/founder-mode plan review. Rethink the problem, find the 10-star product, challenge premises, expand scope when it creates a better product.

Make this plan extraordinary. Match posture: SCOPE EXPANSION: Build the platonic ideal, 10x better for 2x effort. Recommend expansions enthusiastically.…
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#product#claude skill
Claude Skills

CFO Advisor

Financial leadership for startups and scaling companies. Financial modeling, unit economics, fundraising strategy, cash management, and board financial packages.

Strategic financial frameworks for startup CFOs and finance leaders. Numbers-driven, decisions-focused. This is not a financial analyst skill. This is…
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#leadership#claude skill
Claude Skills

CFO Plan Review

/cs:cfo-review — CFO Forcing Questions skill. /cs:cfo-review <plan> — Numerate-skeptic interrogation of any plan that touches money. Unit economics, runway, dilution, capital allocation.

Command: /cs:cfo-review <plan The numerate skeptic stress-tests anything that touches money. Six questions before any spend or fundraise.
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#leadership#claude skill
Claude Skills

Change Management Playbook

Framework for rolling out organizational changes without chaos. Covers the ADKAR model adapted for startups, communication templates, resistance patterns, and change fatigue management.

Most changes fail at implementation, not design. The ADKAR model tells you why and how to fix it.
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#leadership#claude skill
Claude Skills

Changelog Generator

Produce consistent, auditable release notes from Conventional Commits. Separates commit parsing, semantic-bump logic, and changelog rendering for automated releases with editorial control.

Tier: POWERFUL Category: Engineering Domain: Release Management / Documentation Use this skill to produce consistent, auditable release notes from…
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#engineering#claude skill
Claude Skills

Channel Economics Review

channel-economics skill. Use when reviewing or rebalancing direct vs. partner-led channel economics — computing fully-loaded cost-to-serve per channel, channel ROI with cash / LTV / marginal lenses, and optimal channel mix subject to constraints.

Help Head of Commercial / RevOps / VP Sales answer three questions at the quarterly channel review: 1. What does each channel actually cost to serve, fully…
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#business#claude skill
Claude Skills

Chaos Engineering

Chaos Engineering skill. Use when planning, running, or learning from chaos engineering experiments.

Design experiments that surface real weaknesses in production systems — without becoming outages. Most "chaos engineering" attempts skip steady-state…
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#engineering#claude skill
Claude Skills

Chief AI Officer Advisor

Chief AI Officer advisory for startups: model build-vs-buy decisions (API vs fine-tune vs in-house), AI risk classification under EU AI Act + US state patchwork, AI cost economics (API-to-self-hosted breakeven), and AI team org evolution.

Strategic AI leadership for startup CAIOs and founders without one. Four decisions, no AI hype: 1. Should we use an API, fine-tune, or build our own? —…
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#leadership#claude skill
Claude Skills

Chief AI Officer Plan Review

/cs:caio-review — CAIO Forcing Questions skill. /cs:caio-review <plan> — Eval-demanding Chief AI Officer interrogation of any plan that involves AI: model selection, risk classification, cost economics, or AI hiring.

Command: /cs:caio-review <plan The eval-demanding CAIO pressure-tests any plan that involves AI. Six questions before any AI feature ships, any multi-year…
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#leadership#claude skill
Claude Skills

Chief Customer Officer Advisor

Chief Customer Officer advisory for startups: retention decomposition (gross retention vs NRR honesty, churn root-cause taxonomy), customer segmentation strategy (differential investment across tiers + ICP fit scoring), CS team coverage model (pooled vs named CSM thresholds + ratio math), and CS…

Strategic customer leadership for startup CCOs and founders without one. Four decisions, no generic CS survey: 1. What's our retention architecture — and is…
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#leadership#claude skill
Claude Skills

Chief Customer Officer Plan Review

/cs:cco-review — CCO Forcing Questions skill. /cs:cco-review <plan> — Retention-obsessed Chief Customer Officer interrogation of any plan that touches customer retention, segmentation, CS team sizing, or CS team hiring.

Command: /cs:cco-review <plan The retention-obsessed CCO pressure-tests any plan that touches customer experience. Six questions before any retention claim,…
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#leadership#claude skill
Claude Skills

Chief Data Officer Advisor

Chief Data Officer advisory for startups: AI training data rights and consent provenance, data product strategy (warehouse vs lakehouse vs mesh, build-vs-buy), B2B customer-data-as-asset valuation and M&A readiness, data team org evolution.

Strategic data leadership for startup CDOs and founders without one. Four decisions, no surveys: 1. Can we train our model on this data? — origin × consent…
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#leadership#claude skill
Claude Skills

Chief Data Officer Plan Review

/cs:cdo-review — CDO Forcing Questions skill. /cs:cdo-review <plan> — Decision-driven Chief Data Officer interrogation of any plan that touches training data, data architecture, data productization, or data team hiring.

Command: /cs:cdo-review <plan The decision-driven CDO pressure-tests any plan that touches data strategy. Six questions before any commitment to a data…
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#leadership#claude skill
Samuel

Samuel

On Twitter / X

  • @PromptLLM – 97,000 followers
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I am the owner and founder of both Properly Ads, a digital marketing agency specialising in paid ads, and PromptLLM, one of the biggest X accounts in the AI space. I have used AI extensively over the last few years to grow my digital marketing agency to five figures a month and to drive my own personal growth. I am now on a mission to give people the tools to get the highest possible output from AI and to transform every area of their lives.

Have a question? Email me at sam@promptllm.co

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