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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

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

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

Checks passed
15 / 22

0 failed · 7 not measured

Median response
66 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
8

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
103
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 71 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name com.checkchinatransit/mcp.

  • Pass
    Lists tools

    tools/list returned 8 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 66 ms over 2 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 71 ms over 2 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    2 of 2 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Pass
    Stable tool list

    No tool was removed and no required parameter was added in the last 30 days.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    11 of 11 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-11-10T06:15:23.969236Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

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

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http checkchinatransit-china-24-240-hour-visa-free-transit-compliance-engine https://checkchinatransit.com/api/mcp

Capabilities

Tools 8

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.

Discovered
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.

Discovered
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.

Discovered
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).

Discovered
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.

Discovered
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.

Discovered
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).

Discovered
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.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected71 ms8
Connected61 ms8