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v0.9.3 · Product update Release notes

Founding Sellers Are Open, And You Keep 85% | Sigrix

Sigrix v0.9.3 opens the marketplace to its first Founding Sellers, who can now sign on, connect Stripe, publish, and earn at an 85/15 launch rate, alongside graduated paid MCP-server listings, one-click GitHub and magic-link sign-in, a cleaner branded checkout, and a full pre-launch security and performance hardening pass.

SX Sigrix team
Published Jun 15, 2026
Version v0.9.3

What shipped

  • New
    Founding Sellers, open for business
    Accepted sellers can sign the agreement, connect Stripe onboarding, and publish their first listings through a guided publish gate.
  • New
    85/15 launch rate
    Founding Sellers keep 85% of every sale during the launch window. The platform fee is parameterized, so the rate is set once and applied everywhere.
  • New
    Self-edit showcase profiles
    Founding Sellers manage their own public showcase profile, including photo upload, with an audit trail on every edit.
  • New
    Founding-seller presence on the homepage
    A teaser strip on the homepage surfaces founding sellers to buyers from the first visit.
  • New
    MCP servers, graduated
    MCP servers are now a full marketplace listing type with a dedicated hub at /marketplace/mcp-servers, paid checkout through the cart, and an admin review step before publish.
  • New
    Google Calendar MCP server
    The first MCP server live on the public marketplace, with a standalone auth command surfaced in the bundle.
  • New
    Sign in with GitHub
    One-click GitHub OAuth sign-in, with a constant-time state check behind it.
  • New
    Magic-link sign-in
    Passwordless email sign-in. No password to set, none to remember.
  • New
    Branded transactional emails
    Confirmation and receipt emails now share a single polished, branded HTML layout.
  • Imp
    A cleaner checkout completion
    Removed duplicate banners, CTAs, and stepper labels, so a finished order shows one clear confirmation.
  • Imp
    A faster marketplace
    Caching improvements cut page-load time across the marketplace.
  • Imp
    More discoverable listings
    New persona, agent, prompt, skill, and MCP hubs, share cards for Blog and Learn, listing date pills, and structured data across seller storefronts.
  • Imp
    Richer Blog and Learn
    Article bodies now render links, heading anchors, blockquotes, dividers, and multi-line blocks, with new seller and buyer guides.
  • Fix
    Free multi-item receipts
    Free orders with several items now render every line, not just the first.
  • Fix
    MCP entitlement checks
    Purchased MCP servers are correctly recognized as owned, so buyers reach what they paid for.

This is the release that opens Sigrix to its first sellers. Accepted Founding Sellers can now sign the agreement, connect Stripe, publish, and start earning at a launch rate of 85/15. MCP servers graduate into a real, paid listing type with their own hub. And new ways to sign in cut the friction between an interested buyer and a first sale.

Why it matters

These improvements make it easier for buyers to evaluate listings and for creators to share actionable feedback with the product team.

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