# Z on 23 Rooftop Bar: Agent-Direct Score A (100%)

Site: http://www.zon23rooftop.com/
Report: https://directindex.org/r/zon23rooftop.com
Scanned: 2026-10-23 (Provisional, with the action test and the assistant citation check still to come. The hatched part of the bar isn't measured yet.)
Z on 23 Rooftop Bar is ready for agents.
An AI assistant can open Z on 23 Rooftop Bar's website. It can read what Z on 23 Rooftop Bar offers. It finds a way to book or order directly on the site.

## Direct links
- Book directly: https://www.zon23rooftop.com/booking-and-inquiries/ (on the business's own site)
- Menu: https://www.zon23rooftop.com/menu/z-on-23-food-cocktail-menu/
- Phone: +13463303446
- Address: 1121 Walker St, 77002, Houston
- Its menu mentions: vegan options, vegetarian dishes

## Nearby, also direct
Places near Z on 23 Rooftop Bar that take a booking or an order on their own website, with no marketplace in between.
- Flying Saucer Draught Emporium (240 m): https://directindex.org/r/beerknurd.com
- Smoothie Factory (240 m): https://directindex.org/r/smoothiefactorykitchen.com
- MKT BAR (290 m): https://directindex.org/r/mktbar.com
- Bandista (300 m): https://directindex.org/r/bandistahouston.com
- Kopi Cowboy (310 m): https://directindex.org/r/kopicowboy.com

## What to fix first
- **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

## Fix kit: What to paste

llms.txt. Save as /llms.txt at the root of the site.

```
# Z on 23 Rooftop Bar

> food establishment in 1121 Walker St, 77002, Houston, Houston cafes and bars. Phone +13463303446.

## Book or order directly

- Book: https://www.zon23rooftop.com/booking-and-inquiries/ (on the business's own site)
- Menu: https://www.zon23rooftop.com/menu/z-on-23-food-cocktail-menu/

## About

- Website: http://www.zon23rooftop.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.
- **Structured data found (FoodEstablishment).** address, phone, opening hours
- **Menu or price list is an HTML page.** Agents can read the items and prices.
- **Booking on your own site.** Agents can book without going through a marketplace.

## Where it stands
12 of 829 in Houston cafes and bars. Top 1% 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 | 98% | yes |
| Publish the menu or price list as HTML | 98% | yes |
| Let AI crawlers in (no block at the server or in robots.txt) | 98% | yes |
| Structured data with address, phone and hours | 37% | yes |
| Have an llms.txt | 37% | no |

Nearest places in the index: Flying Saucer Draught Emporium (A, 235 m, https://directindex.org/r/beerknurd.com); Smoothie Factory (A, 243 m, https://directindex.org/r/smoothiefactorykitchen.com); MKT BAR (B, 286 m, https://directindex.org/r/mktbar.com); The Dispatch (B, 287 m, https://directindex.org/r/dispatchhouston.com); Bandista (B, 301 m, https://directindex.org/r/bandistahouston.com); Kopi Cowboy (B, 307 m, https://directindex.org/r/kopicowboy.com); Bardot (B, 331 m, https://directindex.org/r/hotelalessandra-houston.com); Bayou & Bottle (A, 337 m, https://directindex.org/r/bayouandbottle.com); Caffè Bene (F, 346 m, https://directindex.org/r/caffebeneusa.com); Reserve 101 (A, 362 m, https://directindex.org/r/reserve101.com).

## 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.

Recommended when people ask: "A cafe for breakfast near the centre tomorrow at 8." (ChatGPT)


Compared with its peers: Sites built with BentoBox 80% (86% A or B, 2256 sites); This site 100%.

See what an AI agent reads on this site: https://directindex.org/r/zon23rooftop.com/agent-view

## Named by ChatGPT for "A cafe for breakfast near the centre tomorrow at 8" in Houston cafes and bars, October 2026
- "A cafe for breakfast near the centre tomorrow at 8." (2026-10-24): ChatGPT with a link to this site. https://directindex.org/city/houston-cafes-bars/recommended/breakfast-cafe
Named by 1 of 2 assistants asked. Badge: https://directindex.org/badge/named/zon23rooftop.com.svg

## Businesses like Z on 23 Rooftop Bar in Houston cafes and bars

| Group | Sites | Avg score | A or B | This site |
|---|---|---|---|---|
| Businesses of the same kind in Houston cafes and bars | 829 | 49% | 25% | 100% |
| Sites built with BentoBox in Houston cafes and bars | 12 | 87% | 100% | 100% |

The best of the sites built with BentoBox in Houston cafes and bars: Bayou & Bottle (A 100%, https://directindex.org/r/bayouandbottle.com); Reserve 101 (A 90.8%, https://directindex.org/r/reserve101.com); Vibrant - Health Foods (A 90%, https://directindex.org/r/wearevibrant.com); Under the Volcano (A 87.7%, https://directindex.org/r/underthevolcanohouston.com); Cadillac Bar (A 86.3%, https://directindex.org/r/cadillacbar.com).

## The direct record
What agents get for Z on 23 Rooftop Bar, as JSON: https://directindex.org/api/direct/zon23rooftop.com
- Book: https://www.zon23rooftop.com/booking-and-inquiries/ (own site; found by the scan of 2026-10-23, not yet tested)
- Order: none on record
- Menu: https://www.zon23rooftop.com/menu/z-on-23-food-cocktail-menu/ (html_page; from the scan)
- Hours: none on record
- Phone: +13463303446
- Stable links that count: https://directindex.org/go/zon23rooftop.com/book, https://directindex.org/go/zon23rooftop.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 /menu/z-on-23-food-cocktail-menu/: menu schema.

## Score breakdown
| Component | Points | Available |
|---|---|---|
| Reachable | 25 | 25 |
| Readable | 25 | 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/zon23rooftop.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: 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: yes

Keep watching this business (https://directindex.org/r/zon23rooftop.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/zon23rooftop.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=zon23rooftop.com&force=1