Fedir Tymoshchuk
Founder
Founded Sigrix to give independent AI creators a trustworthy place to sell and buyers a curated alternative to unvetted tool dumps. Sets the vetting bar and editorial direction.
LinkedIn →AboutTeam
The team that vets every listing.
Sigrix is curated by a small team that tests every AI agent, prompt, persona, skill, and assistant before it goes live — and writes the Sigrix Learn guides that help buyers choose well. We publish under the Sigrix Editorial byline so you always know who stands behind the content.
Our story
AI tools multiplied faster than anyone could vet them. Marketplaces filled up with unvetted prompts and half-working agents, and buyers had no real way to tell what actually worked — while the independent creators building genuinely good tools got buried in the noise.
Sigrix started from a simple conviction: people should stay in the driver's seat of the AI they use, and that only happens when they can trust what they buy. So we built a marketplace where a human runs and reviews every listing before it goes live, paired with honest Sigrix Learn guides that explain how the tools really behave — not just how they're marketed.
We're still early, and the team is deliberately small and hands-on. But the principle won't change as we grow: every prompt, persona, agent, skill, and assistant earns its place by being tested, and every purchase is backed by verifiable ownership. Trust is the product.
How we got here
01
The problem
Unvetted tool dumps
AI tools multiplied faster than anyone could check them. Buyers couldn't tell what worked, and good creators got buried in the noise.
02
The build
A human-vetted marketplace
We launched a marketplace where a person runs and reviews every listing before it goes live — backed by verifiable ownership.
03
The guides
Sigrix Learn
The team began publishing honest explainers on evaluating, pricing, and building with AI — written and fact-checked as Sigrix Editorial.
04
Now
Founding Sellers
We're inviting a small founding cohort of independent creators to publish the first listings — and help set the vetting bar.
What the team does
- Vets listings. Every submission is run and reviewed against a quality checklist before it can be sold — model support, token estimates, and real example output.
- Curates the catalog. We organise listings into clear categories and surface the ones that actually work, so buyers don't sift through noise.
- Writes Sigrix Learn. The team authors the explainers and buying guides on evaluating, pricing, and building with AI agents — published as Sigrix Editorial.
- Protects digital ownership. We back every purchase with verifiable ownership records so what you buy stays yours.
Who we are
Sigrix Editorial
Curation & content team
The reviewers and writers who test submissions and produce Sigrix Learn. Articles attributed to Sigrix Editorial are written and fact-checked by this team against hands-on testing, not generated and left unreviewed.
Built something worth vetting?
We're inviting a small founding cohort of independent creators to publish the first listings on Sigrix. Every submission is tested by the team above before it goes live — the vetting badge is the whole point, and founding sellers help set the bar.
Want to know how we vet listings?
Read more about the Sigrix curation pipeline and what we test for.
New to AI agents? Start with the AI building blocks guide or browse Sigrix Learn.