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

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

Verify China 240-hour (formerly 144h) visa-free transit eligibility, ports & third-country routes.

• Official Workbench: https://checkchinatransit.com
• Remote MCP Endpoint: https://checkchinatransit.com/api/mcp (streamable-http, read-only, no API key required)
• Public OpenAPI 3.0: https://checkchinatransit.com/openapi.json
• LLM Context: https://checkchinatransit.com/llms.txt · https://checkchinatransit.com/llms-full.txt

Tools Provided (8 Read-Only Tools)

Tool Name	Summary
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).

Connect in 10 Seconds

Claude Code

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

Cursor / Claude Desktop / Windsurf (mcp.json)

{
  "mcpServers": {
    "checkchinatransit": {
      "type": "streamable-http",
      "url": "https://checkchinatransit.com/api/mcp"
    }
  }
}

Agent Skill (skills.sh)

npx -y skills@latest add AbigailDavised/checkchinatransit-mcp -y

License

MIT © CheckChinaTransit