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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Five stars, from people using PromptLLM every day.

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
Agentic build prompt for a DNA Sequence Aligner: tool that aligns two DNA or protein sequences and visualises the scoring matrix and alignment step by step.
Agentic build prompt for a DNA Sonification App: app that turns DNA sequences into music by mapping bases and codons to notes you can play and export as MIDI.
Agentic build prompt for a Donation Contribution Tracker: tracker for charitable contributions with payees, amounts, receipts and yearly totals.
Agentic build prompt for a Double Pendulum Chaos Simulator: animated double-pendulum simulator showing chaotic motion, trails and sensitivity to starting conditions.
Agentic build prompt for a personal Drafts Pro replacement: capture text instantly, run reusable transformations with a visible diff, and file the result into local destinations without uploading the document.
Agentic build prompt for a Drawing App: canvas drawing app with brushes, colours, shapes, eraser, undo/redo and export to PNG.
Agentic build prompt for a Drum Kit: playable drum kit where keys or taps trigger drum sounds with visual feedback, plus a simple recorder.
Agentic build prompt for a personal Fantastical replacement: build a polished Apple calendar client with natural-language event entry and local calendar sets, create conflict-safe events, and send confirmations and reminders.
Agentic build prompt for a Fast Food Ordering Simulator: simulation of a take-away restaurant: customers order, staff prepare, orders move through a live queue to pickup.
Agentic build prompt for a personal Fathom Analytics replacement: collect pageviews/events via JS, aggregate metrics, show simple dashboards, and send reports.
Agentic build prompt for a personal Feedbin replacement: build a private RSS reader workspace that imports user-supplied URLs or files, extracts metadata, supports notes, and searches the local corpus.
Agentic build prompt for a personal Feedly replacement: parse RSS feeds on a schedule, store items, mark read/saved, expose folders and search, and optionally summarize articles.
Agentic build prompt for a personal Fibery replacement: build a single-user connected work platform workspace with projects, tasks, statuses, filters, recurring items, and JSON export.
Agentic build prompt for a personal FileChanger replacement: accept a file, shell out to pandoc, ImageMagick or FFmpeg depending on what it is, and hand the converted bytes back over HTTP or MCP.
Agentic build prompt for a personal Fillout replacement: build a public form that writes to a user-owned database and supports simple branching, validate submissions, notify the owner, and provide a private response table with CSV export.
Agentic build prompt for a Fitness and Wellness Tracker: fitness tracker for logging workouts, steps, nutrition and sleep, with goals, streaks and progress charts.
Agentic build prompt for a Flashcards App: flashcard study app with decks, flip cards, self-grading and spaced repetition.
Agentic build prompt for a Flip Art Animator: flipbook-style tool that animates a sequence of images or drawn frames with adjustable speed.
Agentic build prompt for a Focus Mode Browser Extension: Chrome extension that blocks distracting sites during focus time, with a toggle popup and a custom block list.
Agentic build prompt for a Fourier Series Drawing Tool: interactive tool that redraws any user sketch with rotating Fourier epicycles.
Agentic build prompt for a personal Frill replacement: collect structured feedback for one product, merge duplicates, connect evidence to themes, and publish a roadmap, announcements, and a transparent status view.
Agentic build prompt for a G-Code Viewer: browser viewer that loads G-code files and renders the toolpath in 3D with layer scrubbing and stats.
Agentic build prompt for a Game Suggestion Poll App: poll app where people suggest and vote on games to play, using a games database for search.
Agentic build prompt for a Genetic Algorithm Walker Simulator: physics simulation where creatures learn to walk through a genetic algorithm, with generation stats.