What we tested
Probed live on 23 Aug 2026 against rubric v1. 1 of 5 checks passed.
PROBE-VERIFIEDtier 2 of 3
—Markdown negotiationAccept: text/markdown
—Markdown twin at a predictable URL/page.md
—llms.txt/llms.txt
✓API catalogRFC 9727
—MCP server answers/.well-known/mcp/server-card.json → tools/list
What an agent could do here
Read from the page’s own content, with the wording each was drawn from. Inference is kept separate from tested facts — an agent completing the action is tier 3.
UNVERIFIED
book“Start with a free strategy session”
contact“Contact our marketing experts today”
Context
26 sites in the index share the category marketing agency, of which 12 are transactional.
How we grade
Three tiers. Every listing shows which one it has reached, and when. The rubric.
tier 1Declared
The site says agents are welcome in its robots.txt. A permission, not a capability.
tier 2Probe-verified
We fetched the site and tested each signal ourselves. Dated, repeatable, re-checked on a schedule.
tier 3Behaviourally verified
An agent completed the action end to end — booked, bought, submitted — and it worked.
Own this site?
4 checks did not pass when we last looked: Markdown negotiation, Markdown twin at a predictable URL, llms.txt, MCP server answers. Each is a small, specific fix; the rubric says exactly what we look for.
Behavioural verification — an agent completing your booking, purchase or contact flow end to end, with the date published here — opens to a small founding cohort first. Leave an email to be in it.
Related verified sites
PatodesignPatodesign is a full-cycle marketing agency in Moscow offering internet marketing, brandin
marketing agency HeightLineHeightLine is a full-cycle marketing agency in Russia offering advertising, SEO, analytics
marketing agency Market Entry AtelierMarket Entry Atelier is a marketing agency offering strategy development, campaign optimiz
marketing agency The Service Marketing GuysMarketing agency providing website design, SEO, PPC, review management, and booking system
marketing agency LaFleur MarketingLaFleur Marketing provides marketing services including data insights, storytelling, desig
marketing agency Right Rudder MarketingMarketing agency specializing in integrated marketing systems for US flight schools includ
marketing agency Sundance Media & DesignSundance Media & Design offers website design, logo creation, SEO, content development, an
marketing agency Record generated from a live database query. Method: about the index.