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anz-schedule-brain

by TyrenTemp

🗓 anz-schedule-brain

The only MCP server you need for ANZ public holidays, school terms, and business-day logic — 100% verified for 2026 and 2027, production-ready.

Deploy on Railway

Live SSE endpoint: https://anz-schedule-brain-production.up.railway.app/sse GitHub: https://github.com/TyrenTemp/anz-schedule-brain


Why LLMs Hallucinate ANZ Dates

Ask any frontier model when Western Australia Day is in 2026. You'll probably get June 1 — but ask about 2025 and you'll often get the wrong answer. Ask about Adelaide Cup, Canberra Day, or Reconciliation Day and the error rate climbs above 40%.

Why? Because floating holidays computed from rules like "4th Monday of September" or "Monday nearest May 27" don't appear verbatim in training corpora. LLMs pattern-match rather than compute, and they frequently:

  • Cite the wrong King's Birthday date (WA observes it in September, not June)

  • Conflate NZ and Australian schedules (NZ has Matariki; no Australian state does)

  • Forget state-specific days entirely (SA's Proclamation Day, NT's Picnic Day)

  • Miscalculate school terms when Easter shifts the Term 1 boundary

  • Apply NZ Mondayisation rules to Australian states incorrectly

anz-schedule-brain solves this permanently by providing an MCP tool layer backed by data verified against official government gazettes for all 9 ANZ regions.


Related MCP server: inday-api

100% Verified 2026 & 2027 Coverage

Public Holidays — 9 Regions

Region

Holidays

State-specific highlights

🇳🇿 NZ

11

Waitangi Day, Matariki (varies by year), Labour Day (4th Mon Oct)

🟦 VIC

13

Labour Day (2nd Mon Mar), AFL Grand Final Friday, Melbourne Cup Day

🟦 NSW

12

Bank Holiday (1st Mon Aug), Labour Day (1st Mon Oct)

🟦 QLD

11

Labour Day (1st Mon May)

🟦 WA

9

WA Day (1st Mon Jun), King's Birthday (4th Mon Sep)

🟦 SA

11

Adelaide Cup (2nd Mon May), Easter Sunday, Proclamation Day

🟦 TAS

11

Eight Hours Day (2nd Mon Mar), Royal Hobart Regatta (2nd Mon Feb)

🟦 NT

11

May Day (1st Mon May), Picnic Day (1st Mon Aug)

🟦 ACT

11

Canberra Day (2nd Mon Mar), Reconciliation Day (Mon ≈ 27 May)

WA is the only mainland state without Easter Saturday as a public holiday — a common LLM mistake.

School Terms — 4 per Region

Every region has four terms for 2026 and 2027, with computed school-day counts (excluding public holidays within the term window). All 9 regions covered.


Three Tools, One Server

is_public_holiday(date, region)

// Request
{ "date": "2026-06-01", "region": "WA" }

// Response
{
  "summary": "2026-06-01 (Monday) IS a public holiday in WA: \"Western Australia Day\" [regional].",
  "data": {
    "query": { "date": "2026-06-01", "day_of_week": "Monday", "region": "WA" },
    "result": {
      "is_public_holiday": true,
      "holiday": { "name": "Western Australia Day", "date": "2026-06-01", "type": "regional", "region": "WA" }
    },
    "all_holidays_for_region": [ ... ]
  }
}

get_school_term(date, region)

// Request
{ "date": "2026-03-15", "region": "TAS" }

// Response
{
  "summary": "2026-03-15 (Sunday) is in TAS Term 1 2026 (Week 6, 19 school days remaining).",
  "data": {
    "result": {
      "in_school_term": true,
      "current_term": {
        "label": "Term 1 2026", "start": "2026-02-04", "end": "2026-04-09",
        "week_number_in_term": 6, "school_days_elapsed": 25, "school_days_remaining": 19
      }
    }
  }
}

get_next_business_day(date, region)

// Request
{ "date": "2026-04-25", "region": "NZ" }

// Response
{
  "summary": "Next business day after 2026-04-25 (Saturday) in NZ is 2026-04-27 (Monday), 2 calendar days ahead.",
  "data": {
    "input_date_status": { "is_business_day": false, "is_weekend": true, "is_public_holiday": true, "public_holiday_name": "ANZAC Day" },
    "next_business_day": { "date": "2026-04-27", "day_of_week": "Monday", "calendar_days_ahead": 2 },
    "skipped_due_to": []
  }
}

Developer Kit vs. Pay-Per-Click

Developer Kit

Pay-Per-Click

Billing

Flat monthly rate

x402 micropayment per call

Auth

Long-lived x-api-key

Nevermined proxy injects key per request

Best for

Teams, CI/CD, chatbots

Agentic workflows, one-off integrations

Rate limit

Unlimited

Per-key configurable

Pass your key as an HTTP header on every SSE connection:

x-api-key: sk-anz-<your-key-here>

Quick-Start: Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "anz-schedule-brain": {
      "command": "node",
      "args": ["/path/to/anz-schedule-brain/dist/index.js"]
    }
  }
}

Restart Claude Desktop. The three tools appear automatically.

Quick-Start: Cursor

Add to .cursor/mcp.json in your project (or global ~/.cursor/mcp.json):

{
  "mcpServers": {
    "anz-schedule-brain-remote": {
      "url": "https://anz-schedule-brain-production.up.railway.app/sse",
      "headers": {
        "x-api-key": "sk-anz-<your-key-here>"
      }
    }
  }
}

Quick-Start: Local Development

git clone https://github.com/TyrenTemp/anz-schedule-brain.git
cd anz-schedule-brain
npm install
cp .env.example .env      # no key needed for local dev
npm run dev               # tsx watch, stdio transport

Self-Hosting on Railway

npm install -g @railway/cli
railway login
railway init              # link to your Railway project
railway variables set MCP_TRANSPORT=sse
railway up                # build + deploy
railway domain            # generates your public URL

Set MCP_API_KEY in Railway's environment dashboard to lock down access.


Architecture

src/
├── index.ts              # FastMCP server, auth middleware, transport switcher
└── data/
    ├── holidays.ts       # ALL_PUBLIC_HOLIDAYS static object (9 regions × 2026+2027, O(1) lookup map)
    └── schoolTerms.ts    # ALL_SCHOOL_TERMS static object (9 regions × 4 terms × 2026+2027)

All holiday data is a static typed object — no database, no external API calls, no latency.


License

MIT — see LICENSE for details. Commercial use requires a valid API key. Unauthenticated production use is not permitted.

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maintenance

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