# Original Sin Restaurant: Agent-Direct Score B (76.9%)

Site: http://www.originalsin.sg/
Report: https://directindex.org/r/originalsin.sg
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.)
Original Sin Restaurant is mostly ready for agents.
An AI assistant can open Original Sin Restaurant's website. What Original Sin Restaurant offers is in a PDF or an image, and assistants read those badly. It finds a way to book or order directly, through restaurants.sg.

## Direct links
- Menu: https://www.originalsin.sg/_files/ugd/b7f07d_67c736b09a0d4d169130a9eb9c9722fe.pdf
- Phone: +6564755605
- Address: Brickworks Estate, 1 Jalan Bukit Merah, 150001, Singapore
- Hours, from originalsin.sg: Mon closed; Tue–Sun 11:30–16:15, 17:00–22:30
- Languages: English, Chinese

## Nearby, also direct
Places near Original Sin Restaurant that take a booking or an order on their own website, with no marketplace in between.
- Ristorante Takada (580 m): https://directindex.org/r/ristorantetakada.com.sg
- Under Der Linden (1.6 km): https://directindex.org/r/underderlinden.com.sg
- PastaGo (2.1 km): https://directindex.org/r/pastago.sg
- Torno Subito (2.2 km): https://directindex.org/r/tornosubitosg.com
- 8picure (2.3 km): https://directindex.org/r/8picure.com.sg

## What to fix first
- **Booking through an unrecognised third party.** (+9 points) Check that the provider keeps your business as the seller of record. Guide: https://directindex.org/guides/book-direct-on-your-own-website
- **Ordering through an unrecognised third party.** (+9 points) Check that the provider keeps your business as the seller of record. Guide: https://directindex.org/guides/online-ordering-without-delivery-apps
- **Menu or price list is a PDF.** (+3 points) Most agents skip PDFs or read them badly. Publish it as an HTML page and keep the PDF as a download. Guide: https://directindex.org/guides/menu-pdf-ai

## 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

## Where it stands
554 of 2660 in Singapore. Top 21% 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 | 97% | no |
| Publish the menu or price list as HTML | 89% | no |
| Let AI crawlers in (no block at the server or in robots.txt) | 97% | yes |
| Structured data with address, phone and hours | 53% | yes |
| Have an llms.txt | 49% | yes |

Nearest places with a similar menu: Ristorante Takada (A, 579 m, https://directindex.org/r/ristorantetakada.com.sg); Under Der Linden (A, 1625 m, https://directindex.org/r/underderlinden.com.sg); PastaGo (B, 2138 m, https://directindex.org/r/pastago.sg); Torno Subito (C, 2190 m, https://directindex.org/r/tornosubitosg.com); 2it & Drink (C, 2240 m, https://directindex.org/r/2itandrink.com); 8picure (B, 2325 m, https://directindex.org/r/8picure.com.sg); 1-Alfaro (C, 2539 m, https://directindex.org/r/1-alfaro.sg); Ristorante Palermo (F, 2548 m, https://directindex.org/r/ristorantepalermo.com); Casa Cicheti (Tiong Bahru) (A, 2560 m, https://directindex.org/r/casacicheti.com); Ristorante Pietrasanta (D, 2587 m, https://directindex.org/r/ristorante-pietrasanta.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 22 everyday questions about Singapore and named 155 places. Original Sin Restaurant wasn't one of them. See who was named: https://directindex.org/city/singapore/recommended


Compared with its peers: Sites built with Wix 51% (28% A or B, 50658 sites); This site 76.9%.

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

## Businesses like Original Sin Restaurant in Singapore

| Group | Sites | Avg score | A or B | This site |
|---|---|---|---|---|
| Businesses of the same kind in Singapore | 2660 | 54% | 34% | 76.9% |
| Sites built with Wix in Singapore | 335 | 69% | 55% | 76.9% |

The best of the sites built with Wix in Singapore: Armoury Steaks and Craft Beer (A 100%, https://directindex.org/r/armourysteaks.com); Baci Baci Ristorante Italiano (A 100%, https://directindex.org/r/bacibacirestaurantsg.com); Chez Suzette Singapore (A 100%, https://directindex.org/r/chezsuzette.sg); Latteria (A 100%, https://directindex.org/r/casalatteria.com); Neon Pigeon (A 100%, https://directindex.org/r/neonpigeonsg.com).

With the three fixes above (Booking through an unrecognised third party; Ordering through an unrecognised third party; Menu or price list is a PDF), the score would be about 100%, which would be first of 2,660 in Singapore.

## The direct record
What agents get for Original Sin Restaurant, as JSON: https://directindex.org/api/direct/originalsin.sg
- Book: none on record
- Order: none on record
- Menu: https://www.originalsin.sg/_files/ugd/b7f07d_67c736b09a0d4d169130a9eb9c9722fe.pdf (pdf; from the scan)
- Hours: Tu-Su 11:30-16:15,17:00-22:30 (closed now) (from originalsin.sg)
- Phone: +6564755605
- Stable links that count: https://directindex.org/go/originalsin.sg/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

## Score breakdown
| Component | Points | Available |
|---|---|---|
| Reachable | 25 | 25 |
| Readable | 19 | 25 |
| Actionable | 6 | 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/originalsin.sg
- 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/originalsin.sg/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/originalsin.sg/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=originalsin.sg&force=1