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GMC Guardian GMC Guardian
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Pillar 3 · Auto-Fix

Daily-use feed optimization that never breaks your stack.

Three modes per tier. Restricted categories force Validate. Every push audited, every push reversible.

Install on Shopify

We rewrite the broken parts of your product feed with AI, push the corrections through a Merchant API supplemental data source, and read back the result, every change reversible in one click.

Three modes

Three modes

MODE_01 · Free & Starter

MANUAL

Validate

We surface suggestions; you click Apply manually. Free + Starter. Cap of 5 visible suggestions/month on Free; unlimited on Starter.

MODE_02 · Pro · default

PASS

Copilot

Pro tier. We generate the rewrite, you click Approve in a diff modal, we push it. Every approval audited. One-click revert.

MODE_03 · Pro · opt-in

WARNING

Auto-pilot

Available on Pro as opt-in (Settings → Auto-Fix Mode). Continuous, reversible. 24-hour review window per push during which the merchant can intervene. Restricted categories always force Validate.

Why our optimizer doesn't hallucinate.
Five error buckets, five strategies
  • 01

    Restricted phrase rewriter (legal-grade, legal-aware)

  • 02

    Missing attributes auto-discovery (GTIN, brand, googleProductCategory)

  • 03

    Quality enrichment (no factual invention, only reformulation)

  • 04

    Format errors (deterministic rules, no LLM)

  • 05

    Policy violations (flag-only, never auto-fix)

Suspended right now? Don't wait.

Every day of suspension drains revenue. Install the free tier, run a scan, and we'll show you the gap to reinstatement in under a minute.

Install on Shopify