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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

CSO Security Audit

Security audit: supported static findings; qualified profiles add reproduction and repair candidates. Use when: "security audit", "threat model", "OWASP", "CSO review", "recheck a vulnerability".

Find exploitable defects. State attacker, boundary, impact, and challenge. Static assessment remains available without runtime or scanner profiles.…
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#security#claude skill
Claude Skills

CTO Advisor

Technical leadership guidance for engineering teams, architecture decisions, and technology strategy.

Technical leadership frameworks for architecture, engineering teams, technology strategy, and technical decision-making.
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#leadership#claude skill
Claude Skills

CTO Plan Review

/cs:cto-review — CTO Forcing Questions skill. /cs:cto-review <plan> — Architecture and scaling interrogation. Tech debt, scaling cliffs, team scaling, build-vs-buy.

Command: /cs:cto-review <plan Pressure-tests architecture and engineering scaling decisions. Six questions to surface the next scaling cliff before you hit it.
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#leadership#claude skill
Claude Skills

Culture Architect

Build, measure, and evolve company culture as operational behavior — not wall posters. Covers mission/vision/values workshops, values-to-behaviors translation, culture code creation, culture health assessment, and cultural rituals by stage.

Culture is what you DO, not what you SAY. This skill builds culture as an operational system — observable behaviors, measurable health, and rituals that…
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#leadership#claude skill
Claude Skills

Customer Research

Customer Research skill — when the user wants to conduct, analyze, or synthesize customer research.

You are an expert customer researcher. Your goal is to help uncover what customers actually think, feel, say, and struggle with — so that everything from…
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#marketing#claude skill
Claude Skills

Customer Success Manager

Monitors customer health, predicts churn risk, and identifies expansion opportunities using weighted scoring models for SaaS customer success.

Production-grade customer success analytics with multi-dimensional health scoring, churn risk prediction, and expansion opportunity identification. Three…
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#business#claude skill
Claude Skills

Data Quality Auditor

Audit datasets for completeness, consistency, accuracy, and validity. Profile data distributions, detect anomalies and outliers, surface structural issues, and produce an actionable remediation plan.

You are an expert data quality engineer. Your goal is to systematically assess dataset health, surface hidden issues that corrupt downstream analysis, and…
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#engineering#claude skill
Claude Skills

Database Designer

Database Designer - POWERFUL Tier Skill skill. Use when the user asks to design database schemas, plan data migrations, optimize queries, choose between SQL and NoSQL, or model data relationships.

A comprehensive database design skill that provides expert-level analysis, optimization, and migration capabilities for modern database systems. This skill…
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#engineering#claude skill
Claude Skills

Database Schema Designer

Database Schema Designer skill. Use when the user asks to create ERD diagrams, normalize database schemas, design table relationships, or plan schema migrations.

Tier: POWERFUL Category: Engineering Domain: Data Architecture / Backend --- Design relational database schemas from requirements and generate migrations,…
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#engineering#claude skill
Claude Skills

Deal Desk Review

deal-desk skill. Use when reviewing a specific inbound deal before close — when sales has asked for a discount that exceeds AE authority, when the customer has redlined the MSA, when per-deal economics (margin after discount, multi-year payment shape, indemnity exposure) need to be quantified, or when discount…

Per-deal review and discount-approval routing. Scores deal margin + risk, routes discount approval to the right human, redlines T&Cs against commercial…
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#business#claude skill
Claude Skills

Decision Cooldown Lock

/cs:freeze — Cooldown Lock on a Decision skill. /cs:freeze <decision> <days> — Lock a strategic decision for a cooldown period to prevent impulse reversal. Mirrors gstack's safety primitives for the business layer.

Command: /cs:freeze <decision-path <days Locks a decision for a defined cooldown period. During the freeze, the chief-of-staff router refuses to re-litigate…
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#leadership#claude skill
Claude Skills

Decision Log

/cs:decide — Log the Decision skill. /cs:decide <memo> — Log a decision to two-layer memory via decision-logger. Approved memo becomes durable; raw transcripts kept for reference.

Command: /cs:decide <memo-path Logs the founder's decision via the decision-logger skill. This is the gate where in-session deliberation becomes durable…
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#leadership#claude skill
Claude Skills

Decision Logger

Two-layer memory architecture for board meeting decisions. Manages raw transcripts (Layer 1) and approved decisions (Layer 2).

Two-layer memory system. Layer 1 stores everything. Layer 2 stores only what the founder approved. Future meetings read Layer 2 only — this prevents…
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#leadership#claude skill
Claude Skills

Decision Retrospective

/cs:post-mortem — Honest Retrospective skill. /cs:post-mortem <decision> — Honest retrospective on an executed decision, scored against original assumptions and dissent. Closes the strategic sprint loop.

Command: /cs:post-mortem <decision-path Closes the strategic sprint loop. Scores a decision against the success and kill criteria written before the…
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#leadership#claude skill
Claude Skills

Deep Learning Study Companion

Study companion and working knowledge base for the Deep Learning textbook, read free at deeplearningbook.org.

Source book: Deep Learning, Ian Goodfellow, Yoshua Bengio & Aaron Courville (MIT Press, 2016) · 20 chapters, 3 parts · read free at…
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#engineering#claude skill
Claude Skills

Deep Reading Companion

DeepRead skill. Use when the user asks to deeply read a book, article, PDF, or document set; extract claims and evidence; build a knowledge map; or learn through Feynman explanation and recall. Covers quick, deep, map, Feynman, and whole-book reading modes.

You are an evidence-first reading analyst. Your goal is not to shorten a document; it is to reconstruct what the author claims, how the argument works, what…
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#research#claude skill
Claude Skills

Deep Research

Run a disciplined, multi-source research investigation for a high-stakes question or decision — fan-out web search across many channels, parallel sub-agents, source triangulation (each claim backed by ≥3 independent sources), an adversarial review pass, and every source saved to its own file…

Turn "research this topic" into an auditable, reusable investigation instead of a one-shot wall of text. The output is a folder you can return to in a…
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#research#claude skill
Claude Skills

Deep Work Day Planner

Deep Work — Time-Block the Day, Budget the Shallow skill. Use when someone wants to plan a deep work day, time-block their calendar or task list, budget or cut shallow work, protect focus hours, track deep-work sessions and streaks, run an end-of-day shutdown ritual, or says "/deep-work" or "/time-block".

Portability: Reasoning-led skill with 3 stdlib Python scripts. No external APIs, no LLM calls in scripts. Works in your coding agent CLI and the agent.ai…
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#productivity#claude skill
Claude Skills

Demo Video

Demo Video skill. Use when the user asks to create a demo video, product walkthrough, feature showcase, animated presentation, marketing video, or GIF from screenshots or scene descriptions. Orchestrates playwright, ffmpeg, and edge-tts MCPs to produce polished video content.

You are a video producer. Not a slideshow maker. Every frame has a job. Every second earns the next. Create polished demo videos by orchestrating browser…
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#engineering#claude skill
Claude Skills

Dependency Auditor

Audit and manage dependencies across multi-language projects. Identifies vulnerabilities, license conflicts, transitive dependency risks, and safe-upgrade paths.

Skill Type: POWERFUL · Category: Engineering · Domain: Dependency Management & Security Offline, deterministic dependency auditing across 8+ package…
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#engineering#claude skill
Claude Skills

Design Audit and Fix

Designer's eye QA: finds visual inconsistency, spacing issues, hierarchy problems, AI slop patterns, and slow interactions — then fixes them. Iteratively fixes issues in source code, committing each fix atomically and re-verifying with before/after screenshots.

You are a senior product designer AND a frontend engineer. Review live sites with exacting visual standards — then fix what you find. You have strong…
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#design#claude skill
Claude Skills

Design Consultation

Design consultation: understands your product, researches the landscape, proposes a complete design system (aesthetic, typography, color, layout, spacing, motion), and generates font+color preview pages. Creates DESIGN.md as your project's design source of truth.

As a senior product designer, listen, research and propose a coherent system with reasons. Welcome conversation and adjustments; avoid rigid menus.
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#design#claude skill
Claude Skills

Design to HTML

Design finalization: generates production-quality Pretext-native HTML/CSS. Works with approved mockups from /design-shotgun, CEO plans from /plan-ceo-review, design review context from /plan-design-review, or from scratch with a user description.

You generate production-quality HTML where text actually works correctly. Not CSS approximations. Computed layout via Pretext. Text reflows on resize,…
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#design#claude skill
Claude Skills

Designer's Eye Plan Review

Designer's eye plan review — interactive, like CEO and Eng review. Rates each design dimension 0-10, explains what would make it a 10, then fixes the plan to get there.

You are a senior product designer reviewing a PLAN — not a live site. Your job is to find missing design decisions and ADD THEM TO THE PLAN before…
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#design#claude skill
Samuel

Samuel

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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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