Achtundzwanzig
achtundzwanzig.at is ready for agents.
Listed by OpenStreetMap · Overture Maps.
The direct ways to reach Achtundzwanzig, no marketplace in between. Checked 2026-10-17. On the business's own site. Something wrong? Tell us
Schlösselgasse 28 1080 Wien · +43 1 4022241
Prices: 9 prices on the site, the middle one €29.00
The website, graded
An AI assistant can open the website of Achtundzwanzig. It can read what Achtundzwanzig offers. It finds a way to book or order directly on the site.
65 of 65 points available
agent-readiness level, Basic Web Presence
things to fix
Provisional: the action test and the assistant citation check still to come; the hatched part of the bar is not measured yet.
What the site tells visitors Measured, not scored
These don't change the grade.
In Vienna, the middle price of comparable sites that show prices is €15.50.
Every city compared →What assistants answer
Each assistant is asked three questions about this business: the official website, where to book, where to order. The cell says where the answer sent people.
Not asked yet. Assistants are asked about the top-ranked businesses in each city index, and about every claimed business the moment it is claimed; claim this page to be included.
How Achtundzwanzig compares
1 of 1,323 in Vienna cafes and bars
Top 1% of the sites scanned in this index. Just below: Cafe Diglas im Schottenstift A, Cafe Latte-Art A.
| What the top tenth of the index does | Top 10% | This site |
|---|---|---|
| Take bookings or orders on their own domain | 93% | yes |
| Publish the menu or price list as HTML | 58% | yes |
| Let AI crawlers in (no edge block, no robots.txt block) | 86% | yes |
| Structured data with address, phone and hours | 39% | yes |
| Have an llms.txt | 33% | yes |
The top tenth is the 135 best-scoring reachable sites of the index at the last refresh.
Nearest places in the index
| Place | Distance | Grade | Direct booking or ordering |
|---|---|---|---|
| Das Bistro | 52 m | D | yes |
| Edison | 54 m | D | no |
| Salettl am Campus | 74 m | B | yes |
| Wildling Foods | 138 m | F | no |
| The Birdyard | 152 m | F | no |
| u.s.w. | 154 m | A | yes |
| Omar | 176 m | C | yes |
| Bolena | 180 m | B | no |
| Hiddenkitchen Kiosk bagel, cake, coffee_shop, local, tea | 182 m | C | yes |
| Die Wachauerin | 219 m | D | no |
Businesses like Achtundzwanzig in Vienna cafes and bars
| Group | Sites | Avg score | A or B | This site |
|---|---|---|---|---|
| Businesses of the same kind in Vienna cafes and bars | 1,323 | 47% | 17% | 100% |
The best of the businesses of the same kind in Vienna cafes and bars
Cafe Diglas im Schottenstift A 100% · Cafe Latte-Art A 100% · Café Bellaria A 100% · Café Plauscherl A 100% · Café Weimar A 100%
Peers are the businesses of the same index with a reachable site, latest scan of each; the rank uses the index's current ranking.
Nothing to fix
Already right
- robots.txt lets AI crawlers in No rule blocks the key AI user agents.
- AI crawlers get the page GPTBot, ClaudeBot and PerplexityBot all received a normal response.
- Structured data present (BarOrPub) address, phone, opening hours
- Menu or price list is an HTML page Agents can read items and prices directly.
- Booking on your own site Agents can book without a marketplace in the loop.
Builder: unknown · Front: cloudflare · contact page /pub-quiz-vienna: nothing new; menu page /drinks: 72 menu items in JSON-LD; booking page /contact: nothing new
Own this business?
Fixed something, or think a check is wrong? Rescans are free. Claiming takes one email to confirm; after that the three assistants are asked about the business right away, the site is rescanned weekly, and you get a message only when the score changes.
Rescan now · Markdown · Dispute a check
Keep watching this business: the assistants asked again every month, with what changed; 2 EUR a month or 19 EUR a year. Deep report: ten questions to each assistant and the places nearby; 5 EUR once. Reading and scanning stay free; these few euros pay for the questions sent to the assistants and for the servers.
Show the score
Owners who score well embed the badge; it links back here and updates with every scan.
<a href="https://directindex.org/r/achtundzwanzig.at"><img src="https://directindex.org/badge/achtundzwanzig.at.svg" alt="Agent-Direct Score A" width="236" height="40"></a>
What agents get, and what the site publishes
The direct record an agent is served for this business, the rails it could transact through, and the agent standards the site publishes.
Show the details
What agents get for Achtundzwanzig
The links an assistant is sent when it books, orders or reads the menu for this business, where each leads, and when a browser last checked it. The same record is served as JSON at /api/direct/achtundzwanzig.at, through the MCP tool direct_record and in the city feed /city/vienna-cafes-bars/direct.json.
| Path | Link | Status |
|---|---|---|
| Book | www.achtundzwanzig.at/contact#reserve own site | found by the scan of 2026-10-17, not yet tested |
| Order | none on record | |
| Menu | www.achtundzwanzig.at/drinks html_page | from the scan |
| Hours | none on record | |
| Phone | +43 1 4022241 |
Stable links that count: /go/achtundzwanzig.at/book, /go/achtundzwanzig.at/menu answer 302 to the links above; the count is the line "followed N direct links" on this page.
Owners: claim the business below to correct this record; the claim email carries the link.
Can an agent transact?
Measured, not scored: the Agent-Direct Score stays at specification v1.0. This says which rails an agent could transact through today, and what the booking or ordering vendor's terms allow.
| 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 /drinks: 72 menu items in JSON-LD.
Level 1 of 5, Basic Web Presence
The standards an agent looks for before it reads a page, on the same criteria as Cloudflare's Agent Readiness scan. Not part of the score; each missing item links to a how-to. Cloudflare's report.
| Link headers on the homepage | no how |
| sitemap.xml | yes |
| AI bot rules in robots.txt | yes |
| Content Signals in robots.txt | no how |
| Markdown on Accept: text/markdown | no how |
| llms.txt | yes |
| API catalog (RFC 9727) | no how |
| MCP server card | no how |
| A2A agent card | no how |
| Agent Skills index | no how |
| OAuth or OIDC discovery | no how |
| OAuth protected resource metadata | no how |
| auth.md | no how |
| Web Bot Auth key directory | no how |
| ARD capability manifest | no how |
| DNS-AID records | no how |
| WebMCP tools on the page | no how |
| JSON-LD for the business | yes |