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Thailand Data MCP Server

by Narinthon So

Developer ToolsModerate5.6MCP RegistryLocal

Free

Server data from the Official MCP Registry

Thai data for AI agents: DBD company-registry lookup, address normalization, holidays, VAT/WHT.

About

Thai data for AI agents: DBD company-registry lookup, address normalization, holidays, VAT/WHT.

Security Report

5.6

Moderate5.6Moderate Risk

A well-structured MCP server for Thailand data lookup tools with no critical vulnerabilities. Authentication is not applicable (all tools are reference data or public APIs). Code quality is solid with proper input validation, error handling, and caching. Minor findings include broad CORS configuration in the Apify deployment and lack of rate-limiting on the geography parser, but these are low-severity and do not materially affect security. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.

6 files analyzed · 8 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-narinthon-so-thailand-data-mcp": {
      "args": [
        "-y",
        "thailand-data-mcp"
      ],
      "command": "npx"
    }
  }
}

Documentation

From the project's GitHub README.

thailand-data-mcp-server

MCP server exposing Thailand data tools for AI agents: official company-registry lookups, Thai address normalization, public holidays, and VAT/withholding-tax reference.

Tools

Tool	What it does
`thai_company_lookup`	Official DBD registry profile by 13-digit juristic ID: TH/EN name, type, status, registration date, registered/paid-up capital, business objective, registered address. Live data, cached 24h.
`thai_address_normalize`	Free-text Thai address (TH/EN) → structured province/district/subdistrict/postcode with official codes, confidence level, ambiguity candidates, and street-part extraction. Fully offline.
`thai_list_provinces`	Canonical list of all 77 provinces, bilingual, with codes.
`thai_holidays`	Thai public holidays (2025–2026) with lunar-holiday flags.
`thai_vat_reference`	VAT rate/threshold/filing + common WHT rates and the 50 ทวิ certificate rule. Reference only, not tax advice.

Install & run

pnpm install
pnpm build
node dist/index.js            # stdio (default)
TRANSPORT=http PORT=3000 node dist/index.js   # streamable HTTP at /mcp (binds 127.0.0.1)

Claude Code registration:

claude mcp add thailand-data -- node /path/to/thailand-data-mcp/dist/index.js

No API keys required.

Example

thai_company_lookup {"juristic_id": "0107536000315"}
→ KASIKORNBANK PUBLIC COMPANY LIMITED | บริษัทมหาชนจำกัด | ยังดำเนินกิจการอยู่ | capital 30,246,820,970 THB | ...

thai_address_normalize {"address": "เลขที่ 5 ซอยสุขุมวิท 39 แขวงคลองตันเหนือ เขตวัฒนา กรุงเทพฯ"}
→ province กรุงเทพมหานคร / district วัฒนา / subdistrict คลองตันเหนือ / 10110 | confidence: high | street: "เลขที่ 5 ซอยสุขุมวิท 39"

Data sources & licenses

Company registry: DBD Open Data openapi.dbd.go.th — used under the DGA Open Government License, which requires source attribution; every response therefore carries an attribution field. Do not strip it.
Geography: thailand-geography-data/thailand-geography-json (MIT) — bundled in data/.
Holidays / VAT: bundled reference data; verify critical values against official announcements (Royal Gazette, Revenue Department, Bank of Thailand).

Behavior notes

DBD lookups are cached in-memory for 24h (registry data changes slowly; also keeps request rates polite toward the WAF-fronted upstream).
The DBD API mislabels JSON responses as text/html; the client parses bodies regardless.
HTTP 403/429 from upstream = WAF/rate-limit → the tool returns a retry-later error, not a fabricated "not found".
"Not found" is only reported on the registry's explicit 1004 No data available status.

Development

pnpm dev    # tsx watch

Stack: TypeScript, @modelcontextprotocol/sdk, Zod. No runtime dependencies beyond the SDK.

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