# Zahnmedizinisches Versorgungszentrum Carolinum Plus: Agent-Direct Score D (53.8%) Site: http://carolinumplus.de/ Report: https://directindex.org/r/carolinumplus.de Scanned: 2026-10-20 (Provisional, with the action test and the assistant citation check still to come. The hatched part of the bar isn't measured yet.) Zahnmedizinisches Versorgungszentrum Carolinum Plus is hard for agents to use. An AI assistant can open Zahnmedizinisches Versorgungszentrum Carolinum Plus's website. It can't find a menu or price list, so it answers from other sites. It finds a way to book or order directly, through Doctolib. ## Direct links - Book directly: https://www.doctolib.de/zmvz-zahnmedizinisches-versorgungszentrum/frankfurt-am-main/zahnmedizinisches-versorgungszentrum-carolinum/booking/specialities (through doctolib acting for the business) - Phone: 496963014789 - Address: Theodor-Stern-Kai 7, 60596, Frankfurt am Main ## Nearby, also direct Places near Zahnmedizinisches Versorgungszentrum Carolinum Plus that take a booking or an order on their own website, with no marketplace in between. - Physio am Westhafen (400 m): https://directindex.org/r/physio-am-westhafen.de - SeniorenService Goldener Herbst GmbH & Co (520 m): https://directindex.org/r/goldenerherbst24.info - Schmitz Jelena Dr (550 m): https://directindex.org/r/kieferorthopaedin-frankfurt.de ## What to fix first - **No structured data for the business.** (+15 points) Add schema.org JSON-LD for the business (Dentist, MedicalClinic, Physiotherapy or the closest type, with name, address, telephone and openingHoursSpecification). Every assistant reads this block first, and the fix kit below has it filled in. Guide: https://directindex.org/guides/structured-data-restaurant - **No list of services and prices found.** (+7 points) Agents answer 'what do they treat and what does it cost?' from directories instead. Add a page that lists services and prices as text, and link to it from the homepage. Guide: https://directindex.org/guides/menu-pdf-ai - **No llms.txt.** (no points, but worth doing) Optional for now and cheap to add. It's a short text file that describes the business for language models. Guide: https://directindex.org/guides/llms-txt-for-a-business ## What the site tells visitors (Measured, not scored) - **No English version declared.** Visitors from abroad, and assistants answering in English, read the page as it is. In Frankfurt, 11% of comparable sites declare one. ## Fix kit: What to paste Structured data (JSON-LD). Paste it as one block in the page's head, or in the builder's custom code box. Change anything that's wrong. ```html ``` llms.txt. Save as /llms.txt at the root of the site. ``` # Zahnmedizinisches Versorgungszentrum Carolinum Plus > local business in Theodor-Stern-Kai 7, 60596, Frankfurt am Main, Frankfurt dentists, clinics and vets. Phone 496963014789. ## Book or order directly - Book: https://www.doctolib.de/zmvz-zahnmedizinisches-versorgungszentrum/frankfurt-am-main/zahnmedizinisches-versorgungszentrum-carolinum/booking/specialities (through doctolib acting for the business) ## About - Website: http://carolinumplus.de/ - This file follows llms.txt (https://llmstxt.org): a short plain-text description for language models. ``` ## Already right - **robots.txt lets AI crawlers in.** There's no robots.txt, which means everything is allowed. - **AI crawlers get the page.** GPTBot, ClaudeBot and PerplexityBot all got a normal response. - **Appointments through doctolib on your own domain.** There's no marketplace commission, and the customer stays yours. ## Where it stands 731 of 1670 in Frankfurt dentists, clinics and vets. Top 44% of the sites scanned in this index. | What the top 10% of the index does | Top 10% | This site | |---|---|---| | Take bookings or orders on their own domain | 100% | yes | | Publish the menu or price list as HTML | 5% | no | | Let AI crawlers in (no block at the server or in robots.txt) | 95% | yes | | Structured data with address, phone and hours | 14% | no | | Have an llms.txt | 26% | no | Nearest places in the index: Maxis Medical Gmbh (F, 333 m, https://directindex.org/r/maxismedical.com); Sprenger Christine Zahnarztpraxis (D, 373 m, https://directindex.org/r/zahnarztpraxis-sprenger.de); Physio am Westhafen (C, 397 m, https://directindex.org/r/physio-am-westhafen.de); Frauenarztpraxis Dr. med. Angelika Tsang (F, 406 m, https://directindex.org/r/frauenaerzte-im-netz.de); Dr. Nadine Graefin Von Krockow (D, 440 m, https://directindex.org/r/krockowkunkel.com); Zahnarztpraxis von Krockow, Kunkel und Nentwig (F, 443 m, https://directindex.org/r/zahnarztpraxis-dr-behrendt.de); R. Van Willich Krankengymnastik-praxis (F, 496 m, https://directindex.org/r/jvwillich.de); Herr Dr. Med. Stephan G. Zipper (F, 496 m, https://directindex.org/r/medconsulting-imbf.de); SeniorenService Goldener Herbst GmbH & Co (C, 520 m, https://directindex.org/r/goldenerherbst24.info); Schmitz Jelena Dr (B, 548 m, https://directindex.org/r/kieferorthopaedin-frankfurt.de). ## What assistants answer The assistants haven't been asked about this business yet. They're asked about the top-ranked businesses in each city index, and about any business as soon as it's claimed. Claim this page to be included. Compared with its peers: Sites built with WordPress 58% (29% A or B, 108921 sites); Sites using Doctolib 55% (8% A or B, 2742 sites); This site 53.8%. See what an AI agent reads on this site: https://directindex.org/r/carolinumplus.de/agent-view ## Businesses like Zahnmedizinisches Versorgungszentrum Carolinum Plus in Frankfurt dentists, clinics and vets | Group | Sites | Avg score | A or B | This site | |---|---|---|---|---| | Businesses of the same kind in Frankfurt dentists, clinics and vets | 1670 | 48% | 13% | 53.8% | | Sites built with WordPress in Frankfurt dentists, clinics and vets | 687 | 55% | 22% | 53.8% | | Sites using Doctolib in Frankfurt dentists, clinics and vets | 197 | 57% | 12% | 53.8% | | Sites built with WordPress and using Doctolib in Frankfurt dentists, clinics and vets | 120 | 59% | 13% | 53.8% | The best of the sites built with WordPress and using Doctolib in Frankfurt dentists, clinics and vets: Zentrum Für Ambulante Operative Gynäkologie (A 87.7%, https://directindex.org/r/aop-ffm.de); Dr. med. Annegret Lindner (B 84.6%, https://directindex.org/r/lindner-kind.de); Dr. Erb (B 80%, https://directindex.org/r/hno-f.de); Dres. Mader (B 76.9%, https://directindex.org/r/zahnaerzte-mader.de); FAKTORZAHN (B 76.9%, https://directindex.org/r/faktorzahn.de). With the two fixes above (No structured data for the business; No list of services and prices found), the score would be about 87.7%. That would be 3rd of 1,670 in Frankfurt dentists, clinics and vets, up from 731st. ## The direct record What agents get for Zahnmedizinisches Versorgungszentrum Carolinum Plus, as JSON: https://directindex.org/api/direct/carolinumplus.de - Book: https://www.doctolib.de/zmvz-zahnmedizinisches-versorgungszentrum/frankfurt-am-main/zahnmedizinisches-versorgungszentrum-carolinum/booking/specialities (vendor on own site: Doctolib; found by the scan of 2026-10-20, not yet tested) - Order: none on record - Menu: none on record - Hours: none on record - Phone: 496963014789 - Stable links that count: https://directindex.org/go/carolinumplus.de/book ## Can an agent transact? Measured, not scored (the score stays at spec v1.0). - UCP profile (/.well-known/ucp, Google and Shopify's Universal Commerce Protocol): no - ACP discovery document (/.well-known/acp.json, OpenAI and Stripe's Agentic Commerce Protocol): no - MCP server card (/.well-known/mcp/server-card.json): no - Ordering vendor that takes agent orders (Square, Toast, or a vendor whose terms allow agents): no - Vendor terms for agents, Doctolib: Not stated. Doctolib's patient terms (April 2026), article 19, forbid web scraping and make automated data harvesting subject to Doctolib's prior consent; they do not address an agent booking an appointment for a patient, and no API or partner path for agents is documented. Read 2026-10-15: https://media.doctolib.com/image/upload/v1776929137/legal/B2C_T_Cs.pdf ## Score breakdown | Component | Points | Available | |---|---|---| | Reachable | 25 | 25 | | Readable | 0 | 25 | | Actionable | 10 | 15 (the action test: pending) | | Cited | 0 | 0 (the assistant citation check: pending) | ## Agent readiness (Cloudflare) Level 0 of 5, Not Ready. Cloudflare's report: https://isitagentready.com/carolinumplus.de - Link headers on the homepage: no (how: https://isitagentready.com/.well-known/agent-skills/link-headers/SKILL.md) - sitemap.xml: yes - AI bot rules in robots.txt: no (how: https://isitagentready.com/.well-known/agent-skills/ai-rules/SKILL.md) - Content Signals in robots.txt: no (how: https://isitagentready.com/.well-known/agent-skills/content-signals/SKILL.md) - Markdown on Accept: text/markdown: no (how: https://isitagentready.com/.well-known/agent-skills/markdown-negotiation/SKILL.md) - llms.txt: no (how: https://isitagentready.com/.well-known/agent-skills/llms-txt/SKILL.md) - API catalog (RFC 9727): no (how: https://isitagentready.com/.well-known/agent-skills/api-catalog/SKILL.md) - MCP server card: no (how: https://isitagentready.com/.well-known/agent-skills/mcp-server-card/SKILL.md) - A2A agent card: no (how: https://isitagentready.com/.well-known/agent-skills/a2a-agent-card/SKILL.md) - Agent Skills index: no (how: https://isitagentready.com/.well-known/agent-skills/agent-skills/SKILL.md) - OAuth or OIDC discovery: no (how: https://isitagentready.com/.well-known/agent-skills/oauth-discovery/SKILL.md) - OAuth protected resource metadata: no (how: https://isitagentready.com/.well-known/agent-skills/oauth-protected-resource/SKILL.md) - auth.md: no (how: https://isitagentready.com/.well-known/agent-skills/auth-md/SKILL.md) - Web Bot Auth key directory: no (how: https://isitagentready.com/.well-known/agent-skills/web-bot-auth/SKILL.md) - ARD capability manifest: no (how: https://isitagentready.com/.well-known/agent-skills/ard/SKILL.md) - DNS-AID records: no (how: https://isitagentready.com/.well-known/agent-skills/dns-aid/SKILL.md) - WebMCP tools on the page: no (how: https://isitagentready.com/.well-known/agent-skills/webmcp/SKILL.md) - JSON-LD for the business: no Keep watching this business (https://directindex.org/r/carolinumplus.de/plan): the assistants are asked again every month, and you see what changed. 2 EUR a month or 19 EUR a year. Deep report: https://directindex.org/r/carolinumplus.de/deep. Ten questions phrased the way people ask them, each assistant's full answer, the eight nearest similar places, the fix plan and a PDF. 5 EUR, paid once. Reading and scanning stay free. These few euros pay for the questions sent to the assistants and for the servers. Methodology: https://directindex.org/methodology · Rescan now: https://directindex.org/scan?url=carolinumplus.de&force=1