[ the engine ] rules v2026.07

The 30 checks, in the open.

Every rule the engine runs against a listing, and the regulation or Amazon policy behind it. 30 rules per listing, on each of the 8 Amazon EU marketplaces: 240 checks per full scan. Rule data is versioned and best-effort; always verify against the official source before acting.

Compliance · 11 rules

The takedown triggers. A critical fail here caps the grade.

cmp.gpsr.readiness

EU Responsible Person, manufacturer contact, safety attestation. Definitive pass or fail on a connected audit; a public scan says "connect to confirm".

GPSR, Reg (EU) 2023/988

cmp.epr.readiness

EPR compliance flags Amazon reports on the listing (LUCID, Triman, WEEE, batteries). Connected audits read your account flags.

VerpackG · AGEC · WEEE

cmp.restricted.claims

Medical, pesticide and superlative claims that trigger suppression; broad marketing claims get a softer review flag.

Amazon restricted keywords policy

cmp.title.length

Title over the category character cap. Amazon auto-rewrites non-compliant titles.

Amazon title policy (Jan 2025)

cmp.title.caps

ALL-CAPS titles.

Amazon style guide

cmp.title.specialchars

Banned special characters in the title.

Amazon style guide

cmp.title.promo

Promotional or subjective terms in the title.

Amazon style guide

cmp.title.repetition

Excessive word repetition in the title.

Amazon style guide

cmp.mainimage.exists

Missing main image (suppresses the listing from search). Authoritative on connected audits.

Amazon image requirements

cmp.attributes.required

Missing filter attributes (color, size, material) that drop you from filtered results.

Amazon listing standards

cmp.backend.bytes

Backend search terms over the byte cap (the whole field gets de-indexed). Needs a connected account to read.

Amazon search-terms policy

SEO · 5 rules

Whether Amazon search can find and rank the listing.

seo.title.keyword

Primary keyword present in the title.

Ranking best practice

seo.title.fill

Title uses the available character space.

Ranking best practice

seo.bullets.keyword

Keyword coverage across bullets.

Ranking best practice

seo.backend.present

Backend search terms present at all.

Amazon search-terms policy

seo.coverage

Coverage of your target keyword set.

Ranking best practice

Content · 5 rules

Whether the listing convinces a human once found.

con.bullets.count

Enough bullet points (five is the standard).

Amazon style guide

con.bullets.length

Bullets within the character cap for your seller type.

Amazon style guide

con.description.exists

Product description present.

Amazon listing standards

con.description.length

Description long enough to inform.

Content best practice

con.aplus.present

A+ content present on the listing.

Conversion best practice

Media · 5 rules

Images and video quality gates.

med.images.count

Enough images (unfilled slots cost conversions).

Amazon image requirements

med.mainimage.resolution

Main image resolution (zoom threshold).

Amazon image requirements

med.images.resolution

Secondary image resolution.

Amazon image requirements

med.video.present

Product video present.

Conversion best practice

med.image.filesize

Image file weight sanity.

Performance best practice

AI visibility · 4 rules

Whether Amazon’s AI layer (Rufus, COSMO) can parse and recommend you.

ai.faq.coverage

Content answers the questions buyers actually ask.

Rufus readiness

ai.objections

Objections addressed in the copy.

Rufus readiness

ai.natural

Natural language, not keyword-stuffed strings.

COSMO parseability

ai.specs.structured

Specs structured so a model can extract them.

COSMO parseability

Run all 240 checks on your listing.

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