The marketplace for vetted AI tools.
Buy an AI agent, prompt, skill, persona or assistant once — then run it in the AI tools you already use.
How Sigrix works
What is an AI agent marketplace?
A curated catalog of ready-to-use AI agents, prompts, skills, assistants, and personas — published by independent creators, reviewed by a human curator before they go live.
Questions about buying? Read the buyer FAQ → Thinking of selling? See how selling works →
Picks
Reviewed and recommended
Whimsical Fairytale Storybook Illustrations
Good colors.
HookCraft AI
persona
15
2
MoneyLeak AI
persona
15
3
Make Money Online Strategist
prompt
15
4
ScrollStop AI
prompt
14
5
Bimmer Wrench AI
persona
12
Browse the catalogue
What's on Sigrix
Colorful Fluid Marble Abstract Art
Choose the colors. Shape the flow. This fluid marbling prompt pairs your palette with sweeping ribbons, swirling pools, or branching currents, opening up everything from soft pastel compositions to bold, dramatic contrasts. Feathered edges, delicate pigment veins, and translucent washes give each abstract its intricate marbled character.
Cozy Autumn Halloween Ghost Clipart
Little ghosts have hobbies too! Create charming ghosts reading, knitting, baking and enjoying autumn activities in a soft storybook gouache style. Ivory characters, warm seasonal colors, delicate painted textures and thoughtfully grouped props give each illustration a cozy personality. Customize the activity and accessories while keeping a coordinated look, with complete subjects isolated on white.
Elegant Graphite Pencil Illustrations with Gold Leaf Accents
Soft graphite meets glints of gold in drawings that feel intimate and precious. Fine pencil marks trace petals, feathers, flowing hair, and graceful silhouettes, while restrained gilded details catch the eye. Warm ivory space lets each subject breathe, giving the collection the quiet elegance of a carefully preserved sketchbook.
Moody Botanical Folk Art Paintings
Create richly detailed folk-art-inspired paintings with lush foliage, decorative patterns, and a moody, earthy palette. Deep greens, muted coral, warm ochre, and soft cream bring character to interiors, landscapes, still lifes, and portraits. Delicate painted details, subtle texture, and gently flattened perspective give each scene an atmospheric, storybook feel. Ideal for wall art, book covers, and creative projects.
AI Tools for Marketing Strategy
Generate a curated list of top AI tools for marketing with use cases, pros/cons, and recommendations.
HookCraft AI
A viral hook and short-form copywriter that helps creators, marketers, and founders stop the scroll on LinkedIn, X, TikTok, YouTube, and Instagram. Category: Writing & Content
Emotional Support & Safe Space Chat
A compassionate chat assistant that listens, validates emotions, and gently helps users process feelings and regain calm
Brutal Truth Generator
Get raw, unfiltered truths that challenge beliefs and spark strong reactions.
Latest
What's happened recently
Updates
Start here
The 5 AI building blocks of Sigrix
Prompts, personas, skills, assistants, agents, and the products that bundle them — explained with a simple car analogy.
How we count tokens
What a token is, how input and output costs add up, and where to read the estimate on any listing before you buy.
Is there a marketplace for AI agents?
What you can actually buy, how a purchase works end to end, and why it beats building an agent from scratch.
Where to learn about AI agents in 2026
The vocabulary, one worked example, and a tested agent to try — the fastest way to actually understand AI agents, without the hype.
Founding seller program
We're live. Join the founding cohort.
Sigrix opened on May 15, 2026. A limited number of founding seats are still open — claim yours and keep the perks for life.
- Founding Verified Badge — permanent, and visible to every buyer.
- Featured Placement — top of discovery at launch.
- First-Mover Advantage — less competition, reputation that compounds.
- Reduced Commission — 15% instead of 20%, locked for life.
Status
Live since May 15, 2026
Sellers
