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FinancialMCP serverFirst audited Nov 13, 2026

Formosa MCP — Taiwan data

Taiwan data for AI agents: THSR/TRA timetables, TWSE/TPEx stocks, invoice lottery, garbage, outagesThe vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 10 of 10 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 545 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://formosa-mcp.ycsmiley.workers.dev/mcp

Source code Website Streamable HTTP · protocol 2025-11-25 · server version 0.2.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 10 of 10 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • invoice_get_winning_numbers
    • invoice_check
    • stock_quote
    • stock_market_summary
    • stock_dividends
    • garbage_schedule
    • outage_schedule
    • thsr_timetable
    • and 2 more

Tools

  • Passed: 10 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (10)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • invoice_get_winning_numbers查詢統一發票中獎號碼與領獎期間。Get Taiwan invoice winning numbers; omit period for the latest draw.Doesn't say
  • invoice_check統一發票對獎;未指定期別時檢查最新一期與仍可領獎的前一期。Check a Taiwan invoice number; 3–7 digits only check sixth prizes.Doesn't say
  • stock_quote以股票代號或名稱查詢上市/上櫃盤後行情、本益比與殖利率,非即時。Taiwan TWSE/TPEx end-of-day quote by code or name, not real-time.Doesn't say
  • stock_market_summary查詢上市加權指數、上櫃指數收盤漲跌、成交金額與融資券餘額(張)。兩市場各有資料日期,盤後資料,非即時;無需參數。Taiwan market closing summary, separately dated TWSE and TPEx; not real-time.Doesn't say
  • stock_dividends查詢上市/上櫃近期除權息日程,可指定股票代號或名稱。Upcoming Taiwan TWSE/TPEx ex-dividend and ex-right dates; optional code or name.Doesn't say
  • garbage_schedule查詢新北市、臺北市、臺中市垃圾車定點收運時刻。Doesn't say
  • outage_schedule查詢計畫性停水、停電公告;緊急搶修、事故、颱風造成的停水停電不會事先公告。Planned water/power outages only.Doesn't say
  • thsr_timetable查高鐵某日起迄站時刻;站名或代碼,日期預設臺北今天,時間 HH:mm;24:00–29:59 表示營運日隔日凌晨。THSR OD timetable; optional date and departure time.Doesn't say
  • tra_timetable查臺鐵某日起迄站時刻與車種;站名或代碼,日期預設臺北今天,時間 HH:mm;24:00–29:59 表示營運日隔日凌晨。TRA OD timetable with train types.Doesn't say
  • tra_live查臺鐵車次目前位置與誤點,或車站即時看板;train_no、station 恰填一項。TRA live train position/delay or station board; provide exactly one argument.Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200545 ms
initializedHTTP 202178 ms
tools/listHTTP 200125 ms
unknown-methodHTTP 200138 ms

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