# South x Saigon: Agent-Direct Score A (87.7%)

Site: http://southbysaigon.com/
Report: https://directindex.org/r/southbysaigon.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.)
South x Saigon is ready for agents.
An AI assistant can open South x Saigon's website. It can read what South x Saigon offers. It finds a way to book or order directly, through DoorDash Storefront.

## Direct links
- Order directly: https://order.online/store/south-by-saigon-houston-593663/?hideModal=true&pickup=true (through doordash_storefront acting for the business)
- Menu: https://www.southbysaigon.com/menu
- Phone: +17137811788
- Address: 3991 S Gessner Rd, 77063, Houston
- Its menu mentions: a lunch or set menu

## Nearby, also direct
Places near South x Saigon that take a booking or an order on their own website, with no marketplace in between.
- Migo Saigon Food Street (2.3 km): https://directindex.org/r/migosaigonfoodstreet.com
- Thuan Kieu Com Tam (3.5 km): https://directindex.org/r/thuankieucomtamhouston.com
- Nem Houston (3.7 km): https://directindex.org/r/nemhouston.com
- Pho One (3.7 km): https://directindex.org/r/phoonehouston.com

## What to fix first
- Nothing to fix.

## 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 (Restaurant).** address, phone, opening hours
- **Menu or price list is an HTML page.** Agents can read the items and prices.
- **Ordering through doordash_storefront on your own domain.** There's no marketplace commission, and the customer stays yours.

## Where it stands
301 of 2427 in Houston. Top 12% 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 | 96% | yes |
| Let AI crawlers in (no block at the server or in robots.txt) | 92% | yes |
| Structured data with address, phone and hours | 72% | yes |
| Have an llms.txt | 51% | yes |

Nearest places with a similar menu: Don Cafe (F, 2101 m, https://directindex.org/r/doncafes.com); Saigon Pagolac (F, 2108 m, https://directindex.org/r/saigonpagolac.com); Vinh Hoa (F, 2158 m, https://directindex.org/r/bestcafes.online); Migo Saigon Food Street (A, 2277 m, https://directindex.org/r/migosaigonfoodstreet.com); Jasmine Asian Cuisine (F, 2545 m, https://directindex.org/r/jasmineasianrestaurant.com); Thuan Kieu Com Tam (A, 3533 m, https://directindex.org/r/thuankieucomtamhouston.com); Pho Van (F, 3611 m, https://directindex.org/r/phovanhouston.com); Nem Houston (B, 3698 m, https://directindex.org/r/nemhouston.com); Duy Sandwiches (F, 3710 m, https://directindex.org/r/duysandwiches.com); Pho One (A, 3717 m, https://directindex.org/r/phoonehouston.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.

The assistants were asked 12 everyday questions about Houston and named 62 places. South x Saigon wasn't one of them. See who was named: https://directindex.org/city/houston/recommended


Compared with its peers: Sites built with Wix 53% (30% A or B, 24646 sites); Sites using DoorDash Storefront 68% (51% A or B, 1133 sites); This site 87.7%.

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

## Businesses like South x Saigon in Houston

| Group | Sites | Avg score | A or B | This site |
|---|---|---|---|---|
| Businesses of the same kind in Houston | 2427 | 53% | 34% | 87.7% |
| Sites built with Wix in Houston | 184 | 67% | 49% | 87.7% |
| Sites using DoorDash Storefront in Houston | 79 | 72% | 63% | 87.7% |
| Sites built with Wix and using DoorDash Storefront in Houston | 10 | 73% | 70% | 87.7% |

The best of the sites built with Wix and using DoorDash Storefront in Houston: Field Daze (Food Truck) (A 95.4%, https://directindex.org/r/field-daze.com); Kumar's (B 83.1%, https://directindex.org/r/kumarmesshouston.com); Roostar Vietnamese Grill (B 83.1%, https://directindex.org/r/myroostar.com); Two Hands Seoul Fresh Corn Dogs (B 82.5%, https://directindex.org/r/twohandsus.com); Juliet (B 80%, https://directindex.org/r/juliethtx.com).

## The direct record
What agents get for South x Saigon, as JSON: https://directindex.org/api/direct/southbysaigon.com
- Book: none on record
- Order: https://order.online/store/south-by-saigon-houston-593663/?hideModal=true&pickup=true (vendor on own site: DoorDash Storefront; found by the scan of 2026-10-23, not yet tested)
- Menu: https://www.southbysaigon.com/menu (html_page; from the scan)
- Hours: none on record
- Phone: +17137811788
- Stable links that count: https://directindex.org/go/southbysaigon.com/order, https://directindex.org/go/southbysaigon.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): yes
- 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, DoorDash Storefront: Not stated. The terms do not address an agent acting for a person (several bar scraping or data extraction only), could not be read on the date given, or the vendor has not been researched yet.

## Score breakdown
| Component | Points | Available |
|---|---|---|
| Reachable | 25 | 25 |
| Readable | 22 | 25 |
| Actionable | 10 | 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/southbysaigon.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: yes
- 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/southbysaigon.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/southbysaigon.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=southbysaigon.com&force=1