What we tested
Probed live on 23 Aug 2026 against rubric v1. 4 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 its MCP server offers
We connected, ran tools/list, and recorded what came back on 23 Aug 2026. 7 tools — the standard set for sites on teachify.
get_platform_infosearch_coursessearch_postsget_course_detailsget_post_detailsget_event_detailsget_lecturer_profile
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
read“Each course and post URL supports Accept: text/markdown content negotiation”https://course.hsienblog.com
Context
5 sites in the index share the category online course, of which 3 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?
1 check did not pass when we last looked: Markdown twin at a predictable URL. 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
鏡頭表達教練鏡頭表達教練 offers courses to improve video expression skills for personal branding and income
online course 電商陪跑課程電商陪跑課程 offers structured ecommerce and marketing courses to help brand owners optimize ope
online course FaheemFaheem is an Arabic educational platform offering digital learning and interactive lessons
arabic educational platform RRM AcademyRRM Academy provides evidence-based education, research library, and clinical guidance on
restorative reproductive medicine education 床事必修課床事必修課 offers courses and posts on sexual techniques and intimacy education with expert ins
sexual education course Record generated from a live database query. Method: about the index.