grail.moe valid

Holy Grail

Free exam notes and past-year practice papers for Singapore students (PSLE, O-Level, A-Level, IB, IP), plus printable practice papers built from real prelim questions. Everything free stays free.

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-25T18:51:43.676Z. Cached copy · Source on grail.moe

# Holy Grail

> Free exam notes and past-year practice papers for Singapore students (PSLE, O-Level, A-Level, IB, IP), plus printable practice papers built from real prelim questions. Everything free stays free.

Holy Grail is run by Shukudai Labs Pte. Ltd., a company registered in Singapore. Every document has its own page at /library/<id>/<slug> with a text preview, a PDF download, and the paired mark scheme when one is known. Notes and papers are uploaded by students and teachers, and a moderator reviews every upload before it goes live.

## Library

- [Library](https://grail.moe/library): search by level, subject, document type, year and keyword
- [O-Level](https://grail.moe/library?category=GCE%20'O'%20Levels): 29 subjects
- [A-Level](https://grail.moe/library?category=GCE%20'A'%20Levels): 38 subjects
- [IB](https://grail.moe/library?category=IB): 13 subjects
- [N-Level](https://grail.moe/library?category=GCE%20'N'%20Levels): 21 subjects
- [IP](https://grail.moe/library?category=IP): 10 subjects
- [Secondary 1 to 2](https://grail.moe/library?category=Sec%201-2%20(Non-IP)): 9 subjects

### O-Level

- [Additional Mathematics](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Additional%20Mathematics)
- [Combined Biology](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Combined%20Biology)
- [Pure Biology](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Pure%20Biology)
- [Combined Chemistry](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Combined%20Chemistry)
- [Pure Chemistry](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Pure%20Chemistry)
- [Computing](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Computing)
- [Elementary Mathematics](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Elementary%20Mathematics)
- [English](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=English)
- [Elective Geography](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Elective%20Geography%20)
- [Pure Geography](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Pure%20Geography)
- [Higher Chinese](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Higher%20Chinese)
- [Elective History](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Elective%20History)
- [Pure History](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Pure%20History)
- [Combined Physics](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Combined%20Physics)
- [Pure Physics](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Pure%20Physics)
- [Social Studies](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Social%20Studies)
- [Pure Literature](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Pure%20Literature)
- [Elective Literature](https://grail.moe/library?category=GCE%20'O'%20Levels&subject=Elective%20Literature)
- [Chinese](https://grail.moe/library?category=GCE%20'O'%20Leve
…

Machine-readable: GET /v1/resolve?q=grail.moe · GET /v1/domain/grail.moe · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for grail.moe:
1. POST https://agentwebmap.com/v1/sites/grail.moe/claims and keep claim_id and claim_secret private.
2. Publish the verification line "AgentWebMap verification: <token>" (token from step 1) in https://grail.moe/llms.txt, or use the DNS, meta-tag or well-known method the response describes. This only verifies the listing; your website and domain remain yours.
3. POST https://agentwebmap.com/v1/sites/grail.moe/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/grail.moe).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

Corrections or removal requests: contact the directory.