# Grill on 21: Agent-Direct Score A (100%)

Site: https://www.grillon21.com/
Report: https://directindex.org/r/grillon21.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.)
Grill on 21 is ready for agents.
An AI assistant can open Grill on 21's website. It can read what Grill on 21 offers. It finds a way to book or order directly on the site.

## Direct links
- Book directly: https://www.grillon21.com/reservations (on the business's own site)
- Order directly: https://order.toasttab.com/online/chiad-grill-on-21-the-lasalle-chicago-3rd-party (through toast acting for the business)
- Menu: https://www.grillon21.com/menus
- Phone: +13126340000
- Address: 208 S LaSalle St, 60604, Chicago
- Its menu mentions: vegetarian dishes, allergens

## Nearby, also direct
Places near Grill on 21 that take a booking or an order on their own website, with no marketplace in between.
- Pb Restaurant Management, Llc. (100 m): https://directindex.org/r/noblerotisserie.com
- 90th Meridian Kitchen & Bar (110 m): https://directindex.org/r/90thmeridian.com
- Cellars Market (150 m): https://directindex.org/r/cellarsmarketchicago.com
- Union Squared (160 m): https://directindex.org/r/unionpizza.com
- Avanti Caffe (180 m): https://directindex.org/r/avanticaffe.com

## What to fix first
- Nothing to fix.

## What the site tells visitors (Measured, not scored)
- **The footer says © 2022.** Visitors and assistants may read that year as the last time anyone looked after the site.

## 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.
- **Booking on your own site.** Agents can book without going through a marketplace.
- **Ordering through toast on your own domain.** There's no marketplace commission, and the customer stays yours.

## Where it stands
25 of 3640 in Chicago. 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 | 100% | yes |
| Publish the menu or price list as HTML | 94% | yes |
| Let AI crawlers in (no block at the server or in robots.txt) | 94% | yes |
| Structured data with address, phone and hours | 58% | yes |
| Have an llms.txt | 29% | yes |

Nearest places in the index: Pb Restaurant Management, Llc. (A, 104 m, https://directindex.org/r/noblerotisserie.com); 90th Meridian Kitchen & Bar (B, 105 m, https://directindex.org/r/90thmeridian.com); Cellars Market (B, 150 m, https://directindex.org/r/cellarsmarketchicago.com); Union Squared (C, 159 m, https://directindex.org/r/unionpizza.com); Nesh (F, 169 m, https://directindex.org/r/neshfresh.com); Avanti Caffe (B, 183 m, https://directindex.org/r/avanticaffe.com); Boleo (F, 186 m, https://directindex.org/r/boleochicago.com); Steadfast at the Gray (C, 190 m, https://directindex.org/r/steadfastchicago.com); Danke (B, 192 m, https://directindex.org/r/dankechicago.com); LaShuk (F, 192 m, https://directindex.org/r/lashukstreetfood.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 Chicago and named 57 places. Grill on 21 wasn't one of them. See who was named: https://directindex.org/city/chicago/recommended


Compared with its peers: Sites built with Webflow 57% (23% A or B, 6169 sites); Sites using Toast 72% (57% A or B, 3305 sites); This site 100%.

See what an AI agent reads on this site: https://directindex.org/r/grillon21.com/agent-view

## Businesses like Grill on 21 in Chicago

| Group | Sites | Avg score | A or B | This site |
|---|---|---|---|---|
| Businesses of the same kind in Chicago | 3640 | 52% | 35% | 100% |
| Sites built with Webflow in Chicago | 67 | 67% | 48% | 100% |
| Sites using Toast in Chicago | 435 | 74% | 64% | 100% |
| Sites built with Webflow and using Toast in Chicago | 9 | 74% | 67% | 100% |

The best of the sites built with Webflow and using Toast in Chicago: Roanoke Restaurant (A 90.8%, https://directindex.org/r/theroanokerestaurant.com); Sushi X (A 87.7%, https://directindex.org/r/rollingatsushix.com); Lulu's Hot Diggity Dogs (B 75.4%, https://directindex.org/r/lulusevanston.com); Mister Tiger (B 73.8%, https://directindex.org/r/mistertigerchicago.com); Rendang Republic (B 72.3%, https://directindex.org/r/rendangrepublic.com).

## The direct record
What agents get for Grill on 21, as JSON: https://directindex.org/api/direct/grillon21.com
- Book: https://www.grillon21.com/reservations (own site; found by the scan of 2026-10-23, not yet tested)
- Order: https://order.toasttab.com/online/chiad-grill-on-21-the-lasalle-chicago-3rd-party (vendor on own site: Toast; found by the scan of 2026-10-23, not yet tested)
- Menu: https://www.grillon21.com/menus (html_page; from the scan)
- Hours: none on record
- Phone: +13126340000
- Stable links that count: https://directindex.org/go/grillon21.com/book, https://directindex.org/go/grillon21.com/order, https://directindex.org/go/grillon21.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 (Toast): yes

Found one hop past the home page: contact page /about: booking via opentable; menu page /menus: 43 menu items in JSON-LD.

## 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 2 of 5, Bot-Aware. Cloudflare's report: https://isitagentready.com/grillon21.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: yes
- 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/grillon21.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/grillon21.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=grillon21.com&force=1