# Chang Dermatology Clinic: Agent-Direct Score B (72.3%) Site: http://www.changskin.com/ Report: https://directindex.org/r/changskin.com Scanned: 2026-10-22 (Provisional, with the action test and the assistant citation check still to come. The hatched part of the bar isn't measured yet.) Chang Dermatology Clinic is mostly ready for agents. An AI assistant can open Chang Dermatology Clinic's website. It can read what Chang Dermatology Clinic offers. It finds a way to book or order directly on the site. ## Direct links - Book directly: https://www.changskin.com/index.php/html/1454 (on the business's own site) - Menu: https://www.changskin.com/index.php/menu_gb/EN0 - Phone: +8225383575 - Address: Teheran-ro 87-gil KR 서울특별시 강남구 테헤란로87길 51(삼성동 여송빌딩 Yeosong 창피부과 3층, 06166, 삼성1동 ## Nearby, also direct Places near Chang Dermatology Clinic that take a booking or an order on their own website, with no marketplace in between. - 더블유 클리닉 (360 m): https://directindex.org/r/veldermaclinic.co.kr - 차움건진센터 (370 m): https://directindex.org/r/chahealth.co.kr ## 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 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 Seoul, 18% 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. ``` # Chang Dermatology Clinic > local business in Teheran-ro 87-gil KR 서울특별시 강남구 테헤란로87길 51(삼성동 여송빌딩 Yeosong 창피부과 3층, 06166, 삼성1동, Seoul dentists, clinics and vets. Phone +8225383575. ## Book or order directly - Book: https://www.changskin.com/index.php/html/1454 (on the business's own site) - Menu: https://www.changskin.com/index.php/menu_gb/EN0 ## About - Website: http://www.changskin.com/ - This file follows llms.txt (https://llmstxt.org): a short plain-text description for language models. ``` ## Already right - **robots.txt lets AI crawlers in.** No rule blocks the main AI user agents. - **AI crawlers get the page.** GPTBot, ClaudeBot and PerplexityBot all got a normal response. - **List of services and prices is an HTML page.** Agents can read the items and prices. - **Appointments on your own site.** Agents can book an appointment without going through a marketplace. ## Where it stands 44 of 1218 in Seoul dentists, clinics and vets. Top 4% 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 | 85% | yes | | Publish the menu or price list as HTML | 12% | yes | | Let AI crawlers in (no block at the server or in robots.txt) | 87% | yes | | Structured data with address, phone and hours | 10% | no | | Have an llms.txt | 37% | no | Nearest places in the index: 브릴린의원 (D, 50 m, https://directindex.org/r/brillynclinic.com); Osstem Implant (F, 141 m, https://directindex.org/r/osstem.com); 임플라인치과 (F, 148 m, https://directindex.org/r/implinegn.com); 청담선한의원 CheongdamSun Korean Medicine Clinic(Acupuncture fertility Women's Health) (F, 193 m, https://directindex.org/r/cheongdamsun.co.kr); 얀클리닉 (F, 265 m, https://directindex.org/r/yaanclinic.com); 김이안치과 (C, 282 m, https://directindex.org/r/kimian.co.kr); 코모 키 이비인후과 삼성본원 (F, 293 m, https://directindex.org/r/komoki.com); 더블유 클리닉 (C, 363 m, https://directindex.org/r/veldermaclinic.co.kr); T1 Clinic (D, 369 m, https://directindex.org/r/t1clinic.com); 차움건진센터 (B, 374 m, https://directindex.org/r/chahealth.co.kr). ## 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. See what an AI agent reads on this site: https://directindex.org/r/changskin.com/agent-view ## Businesses like Chang Dermatology Clinic in Seoul dentists, clinics and vets | Group | Sites | Avg score | A or B | This site | |---|---|---|---|---| | Businesses of the same kind in Seoul dentists, clinics and vets | 1218 | 38% | 4% | 72.3% | The best of the businesses of the same kind in Seoul dentists, clinics and vets: The Line Plastic Surgery Clinic (B 84.6%, https://directindex.org/r/thelineclinic.com); โรงพยาบาลศัลยกรรมอะวัง AVANT Plastic Surgery Hospital (B 84.6%, https://directindex.org/r/avantprs.com); 압구정디오성형외과 (B 84.6%, https://directindex.org/r/dio-ps.com); 플래닛성형외과의원 (B 84.6%, https://directindex.org/r/planetps.co.kr); 마음샘정신과의원 (B 81.5%, https://directindex.org/r/mindflowpsychservices.com). With the fix above (No structured data for the business), the score would be about 95.4%, which would be first of 1,218 in Seoul dentists, clinics and vets. ## The direct record What agents get for Chang Dermatology Clinic, as JSON: https://directindex.org/api/direct/changskin.com - Book: https://www.changskin.com/index.php/html/1454 (own site; found by the scan of 2026-10-22, not yet tested) - Order: none on record - Menu: https://www.changskin.com/index.php/menu_gb/EN0 (html_page; from the scan) - Hours: none on record - Phone: +8225383575 - Stable links that count: https://directindex.org/go/changskin.com/book, https://directindex.org/go/changskin.com/menu ## 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 Found one hop past the home page: menu page /index.php/menu_gb/EN0: booking link (own domain), WhatsApp. ## Score breakdown | Component | Points | Available | |---|---|---| | Reachable | 25 | 25 | | Readable | 7 | 25 | | Actionable | 15 | 15 (the action test: pending) | | Cited | 0 | 0 (the assistant citation check: pending) | ## Agent readiness (Cloudflare) Level 1 of 5, Basic Web Presence. Cloudflare's report: https://isitagentready.com/changskin.com - 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: yes - 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: yes - 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/changskin.com/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/changskin.com/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=changskin.com&force=1