A working library for people building, buying, and selling AI blocks. Practical writing, no fluff—read what's relevant, skip the rest.
Install uv, create a seller token, add one command to Claude Code, Claude Desktop or Cursor, then check it works — with fixes for 'command not found: claude' and the ENOENT error.
You can sell an n8n workflow that calls MCP servers on Sigrix. The listing names each server and the tools the workflow uses, your server's address never ships, and the buyer connects their own.
The SKILL.md you already use is the listing. Write it for a job you do, use it yourself for a week, publish it for review, and buyers install it the same way you do — updates included.
A one-time setup connects Claude Code, Claude Desktop, Cursor or VS Code to Sigrix. Draft, check and submit a listing without opening the publish wizard — moderation is unchanged.
What an AI persona actually contains, the four kinds buyers look for, and how to tell a well-built one from a vague one before you pay.
Single agents vs crews — the two shapes of AI agent listing sold under one name — and the four things that actually separate a good listing from a weak one.
Where to actually buy AI prompts, what a good listing includes, and how buying differs between text prompts (ChatGPT, Claude) and image prompts (Midjourney).
One command connects Claude Code to your Sigrix library: every purchased skill installs as a plugin and updates flow automatically. Setup, updates, security, and the offline fallback.
An AI persona is a voice and a worldview a model adopts — what it is, how it works, how it differs from an assistant or agent, and how personas work on Sigrix.
An AI Workforce composes whole AI crews and agents into one runnable system that runs a complete function — what it is, how it orchestrates its teams, and how workforces work on Sigrix.
What AI sales agents reliably deliver today — research, qualification, outreach drafts, CRM upkeep — what they can't, and how to pick one.
The full cost stack of an AI agent: the one-time listing price, the token running cost, the extras — and how buying compares to building.
An assistant works with you; an agent works for you. A side-by-side on how they differ, when to use each, and how they compose on Sigrix.
An AI agent is an AI that completes a task for you autonomously — what it is, how it works, how it differs from an assistant, and how agents work on Sigrix.
An AI assistant is a conversational AI you work with turn by turn — what it is, how it works, how it differs from an agent, and how assistants work on Sigrix.
A practical pricing guide for AI agents, prompts, and assistants — what buyers pay for and how to set a price that converts.
A curated, no-fluff path to learning AI agents in 2026: the concepts to read first, the best free and paid courses, the frameworks to build with, and the cost mistake almost everyone makes.
If you can get AI to reliably do a job, that skill has value. The practical way to earn from it — package and sell the prompts, personas, skills, assistants, and agents buyers already want.
What makes a good AI persona, how to pick the right one for your job, and how to drop it into ChatGPT, Claude, or Gemini.
A buyer's checklist for AI agents: the tested runbook, model, token cost, scope, reviews, and editability to check before you pay.
Yes — Sigrix is a marketplace for AI agents. Where to buy one, what each kind of listing sells, what to check before you pay, and what agents cost.
How to turn an AI agent or assistant into a premium listing — build something reliable, document the runbook, price for the job done, and publish it where buyers are looking.
A step-by-step guide to turning a tested prompt into a listing that sells — what makes a prompt worth paying for, how to price it, and where to list it.
What a token is, how input and output costs add up, and where to read the estimate on any listing before you buy.
The five building blocks — prompts, personas, skills, assistants, agents — plus the crews and products that compose them. The vocabulary for everything Sigrix sells.
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Patterns, sample listings, and short essays from the Sigrix editorial team. One-click unsubscribe, no noise.