Marketplace sites on Sitedex

We've audited 28 marketplace sites for how AI agents read them. Average AI-readiness: 26.4/100. Of those, 1 (4%) score 60 or higher — the threshold we call agent-ready.

Last audited: August 7, 2026

The Marketplace leaderboard

Ranked by composite AI-readiness score. Click any site to see the full audit.

Common gaps in marketplace

What most sites in this category are missing — and what shipping it would unlock.

100% missing
WebMCP widget
In-browser tool registration via navigator.modelContext.
100% missing
Content-Signal policy
Tells AI crawlers what they can and can't do.
96% missing
llms.txt
A markdown index agents read to understand your site.

How we score AI-readiness

Each audit blends a protocol score (14 signals, 30% of the composite) and a content score (15 buyer questions evaluated by an LLM judge against the indexed content, 70% of the composite). Sites scoring 60 or higher are agent-ready. See the full methodology →

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The Marketplace leaderboard

Common gaps in marketplace

How we score AI-readiness

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