CheckChinaTransit — China 24/240-Hour Visa-Free Transit Compliance Engine

Connect Remote server

claude mcp add --transport http mcp https://checkchinatransit.com/api/mcp

{
  "mcpServers": {
    "mcp": {
      "url": "https://checkchinatransit.com/api/mcp"
    }
  }
}

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://checkchinatransit.com/api/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://checkchinatransit.com/api/mcp

Tools 8 found in our last check

• check_china_twov_nationality_eligibility

  Verify whether a passport nationality qualifies for China 240-hour (upgraded from 72/144-hour) Visa-Free Transit (TWOV) and 24-hour direct airside transit.

• validate_third_country_itinerary_rule

  Validate whether a flight routing (Origin Country/Region A -> Mainland China B -> Destination Country/Region C, including Hong Kong, Macau, or Taiwan) satisfies strict NIA TWOV third-region rules vs round-trip disqualification.

• calculate_transit_stay_deadline

  Calculate the exact legal departure deadline under China Immigration midnight-next-day counting rules (00:00 the day following arrival) for 240-hour / 144-hour transit stays.

• lookup_china_transit_port_zone

  Look up permitted stay regions and approved entry/exit airports, seaports, and rail ports for Beijing-Tianjin-Hebei, Shanghai-Jiangsu-Zhejiang, Guangdong, Chengdu, Chongqing, Xi’an, and 24 provinces.

• check_24hour_direct_transit_rules

  Check rules for the 24-hour visa-free transit policy available to almost all nationalities, including multi-stop domestic transfers within 24 hours and airport-specific exemptions.

• get_airline_checkin_boarding_checklist

  Generate the mandatory printed document checklist required at airline check-in desks and China Immigration Temporary Entry Permit counters to prevent erroneous denied boarding.

• lookup_china_visa_photo_specs

  Retrieve official Chinese Embassy COVA digital visa photo and physical print dimensions (33mm x 48mm, head height 28-33mm, pure white RGB 255,255,255 background).

• compare_twov_vs_unilateral_30day_visa_free

  Compare whether a traveler can use China’s 30-day unilateral visa-free entry (allows round-trip flights) vs 240-hour TWOV (requires third-country onward ticket).

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