BotsRatedBETA

fourzerotwo.si

Remote MCP server host. 12 server URLs from the Official MCP Registry. Each is checked with a login-free MCP handshake (initialize, then tools/list; unpaid tools/call only on tools that state a price, to read the payment request; nothing is paid, no credentials are sent): automatic unauthenticated MCP handshake (initialize + tools/list), aiming for about once a day per listed server while we are still working through the registry; priority tier (host looked up via BotsRated preflight/check/report, or also a covered x402 seller, in the last 7 days) about every 6 hours; servers with no MCP answer for 7 days about every 4 days. States are factual: ok (initialize and tools/list answered), auth_required (HTTP 401/403: the server wants a login), handshake_failed (HTTP answer without a valid MCP result), unreachable (no HTTP answer), blocked (not contacted: the URL, a redirect or its DNS points to a private, local or otherwise unsafe address, or to another host, which our safety rules don't allow). Server names and descriptions are copied from the registry (untrusted text). Friendlier view: /s/fourzerotwo.si.

URLTransportRegistry NameLast StateHTTPProtocolToolsRecent Checks OKMedian msTLSLast Checked
https://fourzerotwo.si/mcp/v/environmentstreamable-httpsi.fourzerotwo/environmentok2002025-06-1864–472ok4 h ago
https://fourzerotwo.si/mcp/v/healthstreamable-httpsi.fourzerotwo/healthok2002025-06-1829–451ok6 h ago
https://fourzerotwo.si/mcp/v/researchstreamable-httpsi.fourzerotwo/researchok2002025-06-1838–486ok6 h ago
https://fourzerotwo.si/mcp/v/toolsstreamable-httpsi.fourzerotwo/toolsok2002025-06-1818–542ok4 h ago
https://fourzerotwo.si/mcp/v/uk-businessstreamable-httpsi.fourzerotwo/uk-businessok2002025-06-1858–790ok5 h ago
https://fourzerotwo.si/mcp/v/webstreamable-httpsi.fourzerotwo/webok2002025-06-1825–567ok6 h ago
https://fourzerotwo.si/mcpstreamable-httpsi.fourzerotwo/dataok2002025-06-183–409ok8 h ago
https://fourzerotwo.si/mcp/v/safety-recallsstreamable-httpsi.fourzerotwo/safety-recallsok2002025-06-1815–695ok4 h ago
https://fourzerotwo.si/mcp/v/transportstreamable-httpsi.fourzerotwo/transportok2002025-06-1831–170ok6 h ago
https://fourzerotwo.si/mcp/v/uk-public-servicesstreamable-httpsi.fourzerotwo/uk-public-servicesok2002025-06-1833–209ok6 h ago
https://fourzerotwo.si/mcp/v/trade-procurementstreamable-httpsi.fourzerotwo/trade-procurementnot_probed_yet–Not Yet
https://fourzerotwo.si/mcp/v/uk-propertystreamable-httpsi.fourzerotwo/uk-propertynot_probed_yet–Not Yet

Paid Tools

ToolStated PricePayment Request AsksNetworkPays ToStated Vs Asked
bathing-water__near$0.0020–Not checked
bathing-water__site$0.0010–No payment request returned
bathing-water__search$0.0010–Not checked
earthquakes__significant-week$0.0010–Not checked
earthquakes__m45-week$0.0010–Not checked
earthquakes__m25-day$0.0010–Not checked
earthquakes__near$0.0020–Not checked
earthquakes__count$0.0010–Not checked
earthquakes__event$0.0010–Not checked
gb-electricity__generation-now$0.0010–Not checked
gb-electricity__generation-today$0.0010–Not checked
gb-electricity__generation-history$0.0020–Not checked
gb-electricity__interconnectors$0.0020–Not checked
gb-electricity__interconnector-list$0.00050–No payment request returned
gb-electricity__demand-outturn$0.0010–Not checked
gb-electricity__demand-daily$0.0010–Not checked
gb-electricity__demand-peak$0.0010–Not checked
gb-electricity__demand-forecast$0.0010–Not checked
gb-electricity__demand-forecast-14d$0.0010–Not checked
gb-electricity__demand-forecast-52w$0.0010–Not checked
gb-electricity__wind-forecast$0.0010–Not checked
gb-electricity__wind-forecast-peak$0.0010–Not checked
gb-electricity__indicated-forecast$0.0010–Not checked
gb-electricity__capacity-forecast$0.0020–Not checked
gb-electricity__margin-forecast$0.0010–Not checked
gb-electricity__surplus-forecast$0.0010–Not checked
gb-electricity__system-prices$0.0020–Not checked
gb-electricity__acceptances-latest$0.0020–Not checked
gb-electricity__frequency$0.0010–Not checked
gb-electricity__temperature$0.0010–Not checked
gb-electricity__warnings$0.0010–Not checked
gb-electricity__outages$0.0020–Not checked
gb-electricity__outage$0.0010–Not checked
gb-electricity__wind-solar$0.0020–Not checked
gb-electricity__market-index$0.0020–Not checked
global-weather__forecast-complete$0.0030–Not checked
global-weather__sun$0.0010–Not checked
global-weather__moon$0.0010–Not checked
global-weather__ocean$0.0020–Not checked
global-weather__forecast$0.0020–Not checked
clinical-trials__search$0.0030–Not checked
clinical-trials__study$0.0020–Not checked
clinical-trials__recruiting$0.0030–Not checked
clinical-trials__stats$0.0030–Not checked
nhs-organisations__organisation$0.0010–No payment request returned
nhs-organisations__search$0.0010–Not checked
nhs-organisations__roles$0.00050–No payment request returned
pubmed__search$0.0020–Not checked
pubmed__summary$0.0020–Not checked
pubmed__clinical-trials-search$0.0020–Not checked
rxnorm__rxcui$0.0010–Not checked
rxnorm__approximate$0.0020–Not checked
rxnorm__spelling$0.0010–Not checked
rxnorm__drugs$0.0020–Not checked
rxnorm__related$0.0020–Not checked
rxnorm__properties$0.0010–Not checked
rxnorm__ndc$0.0010–Not checked
rxnorm__ndcs$0.0010–Not checked
openfda__drug-adverse-events$0.0030–Not checked
openfda__drug-recalls$0.0030–Not checked
openfda__drug-ndc$0.0030–Not checked
openfda__drugs-fda$0.0030–Not checked
openfda__device-events$0.0030–Not checked
openfda__device-recalls$0.0030–Not checked
openfda__device-510k$0.0030–Not checked
openfda__food-recalls$0.0030–Not checked
openfda__food-adverse-events$0.0030–Not checked
openfda__drug-labels$0.0030–Not checked
crossref__doi$0.0020–Not checked
crossref__search$0.0030–Not checked
crossref__journal$0.0020–Not checked
crossref__funders$0.0020–Not checked
crossref__members$0.0020–Not checked
pubmed__search$0.0020–Not checked
pubmed__summary$0.0020–Not checked
pubmed__clinical-trials-search$0.0020–Not checked
ror__search$0.0010–No payment request returned
ror__organisation$0.00050–No payment request returned
ror__affiliation$0.0010–Not checked
ror__external-id$0.0010–Not checked
ror__relationships$0.0010–Not checked
scholarly__works-search$0.0030–Not checked
scholarly__work$0.0020–Not checked
scholarly__authors-search$0.0020–Not checked
scholarly__author$0.0020–Not checked
scholarly__institutions-search$0.0020–Not checked
scholarly__sources-search$0.0020–Not checked
scholarly__topics-search$0.0020–Not checked
scholarly__autocomplete$0.0010–Not checked
scholarly__citing-works$0.0030–Not checked
arxiv__search$0.0020–Not checked
arxiv__paper$0.0010–Not checked
arxiv__recent$0.0020–Not checked
arxiv__recent-cs-ai$0.0020–Not checked
arxiv__recent-cs-lg$0.0020–Not checked
arxiv__recent-cs-cl$0.0020–Not checked
arxiv__recent-cs-cv$0.0020–Not checked
arxiv__recent-cs-cr$0.0020–Not checked
arxiv__recent-cs-ro$0.0020–Not checked
arxiv__recent-stat-ml$0.0020–Not checked
arxiv__recent-quant-ph$0.0020–Not checked
arxiv__recent-astro-ph$0.0020–Not checked
arxiv__recent-q-fin$0.0020–Not checked
arxiv__recent-econ$0.0020–Not checked
arxiv__recent-q-bio$0.0020–Not checked
calculators__uk-business-days$0.0010–No payment request returned
calculators__postcode-distance$0.0020–Not checked
calculators__currency-convert$0.0010–Not checked
time__convert$0.0010–Not checked
time__now$0.0010–Not checked
time__zone-info$0.0010–Not checked
time__business-days$0.0010–Not checked
time__signed$0.0010–Not checked
uk-bank-holidays__all$0.0010–Not checked
uk-bank-holidays__england-and-wales$0.0010–Not checked
uk-bank-holidays__scotland$0.0010–Not checked
uk-bank-holidays__northern-ireland$0.0010–Not checked
vat__rates$0.0010–Not checked
vat__calculate$0.0010–Not checked
vat__validate-format$0.0010–Not checked
holidays__year$0.0010–Not checked
holidays__check$0.0010–Not checked
holidays__countries$0.00050–No payment request returned
gleif__lookup$0.0030–Not checked
gleif__search$0.0030–Not checked
gleif__fuzzy$0.0030–Not checked
gleif__autocomplete$0.0020–Not checked
gleif__direct-parent$0.0030–Not checked
gleif__ultimate-parent$0.0030–Not checked
gleif__direct-children$0.0030–Not checked
gleif__branches$0.0030–Not checked
gleif__by-isin$0.0030–Not checked
gleif__by-bic$0.0030–Not checked
gleif__isins$0.0030–Not checked
sanctions__screen-uk$0.01–Not checked
sanctions__screen-us$0.01–Not checked
sanctions__entry$0.0050–Not checked
sanctions__lists$0.0010–No payment request returned
sanctions__screen$0.02–Not checked
sanctions__wallet-screen$0.0020–Not checked
companies-house__alphabetical-search$0.0030–Not checked
companies-house__dissolved-search$0.0030–Not checked
companies-house__profile$0.0050–Not checked
companies-house__registered-office$0.0020–Not checked
companies-house__filing-history$0.0050–Not checked
companies-house__filing$0.0030–Not checked
companies-house__charges$0.0080–Not checked
companies-house__insolvency$0.0080–Not checked
companies-house__exemptions$0.0020–Not checked
companies-house__uk-establishments$0.0020–Not checked
companies-house__search$0.0030–Not checked
companies-house__advanced-search$0.0050–Not checked
uk-business__due-diligence$0.08–Not checked
uk-disputes__complaints-contact$0.0030–Not checked
uk-disputes__organisations$0.0010–Not checked
uk-disputes__energy-complaint$0.01–Not checked
uk-disputes__telecoms-complaint$0.01–Not checked
uk-disputes__water-complaint$0.01–Not checked
uk-disputes__parking-appeal$0.01–Not checked
uk-disputes__consumer-charge$0.01–Not checked
uk-gazette__notice$0.02–Not checked
uk-gazette__deceased-estates$0.01–Not checked
uk-legislation__item$0.0030–Not checked
domains__availability$0.0020–Not checked
domains__facts$0.0020–Not checked
domains__dns$0.0010–Not checked
domains__ip-owner$0.0020–Not checked
domains__dmca-agent$0.0020–Not checked
domains__abuse-contacts$0.0050–Not checked
domains__email-auth$0.0030–Not checked
domains__ideas$0.0020–Not checked
ip-geolocation__lookup$0.0010–Not checked
ip-geolocation__country$0.00050–No payment request returned
ip-geolocation__asn$0.00050–No payment request returned
ip-geolocation__batch$0.02–Not checked
seo__robots-check$0.0020–Not checked
seo__page-audit$0.0050–Not checked
seo__links$0.0030–Not checked
seo__keyword-intent$0.00050–Not checked
validators__imei$0.00050–Not checked
validators__vin$0.00050–Not checked
validators__iban$0.00050–Not checked
validators__uk-phone$0.00050–Not checked
validators__uk-postcode$0.00050–Not checked
validators__email$0.0010–Not checked
web__read$0.0030–Not checked
web__unfurl$0.0020–Not checked
web__url-safety$0.0030–Not checked
product-recalls__search$0.0030–Not checked
product-recalls__uk-products$0.0020–Not checked
product-recalls__uk-medical$0.0020–Not checked
product-recalls__uk-food$0.0010–No payment request returned
product-recalls__uk-food-alert$0.0010–No payment request returned
product-recalls__uk-accidents$0.0020–Not checked
product-recalls__us-products$0.0020–Not checked
uk-food-hygiene__search$0.0020–Not checked
uk-food-hygiene__near$0.0020–Not checked
uk-food-hygiene__business$0.0020–Not checked
uk-food-hygiene__authorities$0.0010–Not checked
uk-food-hygiene__business-types$0.0010–Not checked
uk-food-hygiene__ratings$0.0010–Not checked
uk-food-hygiene__regions$0.0010–Not checked
uk-food-hygiene__score-descriptors$0.0010–Not checked
airports__airport$0.0010–No payment request returned
airports__search$0.0010–No payment request returned
airports__near$0.0020–Not checked
airports__runways$0.0010–Not checked
airports__frequencies$0.0010–Not checked
airports__country$0.0010–Not checked
airports__navaids-near$0.0020–Not checked
london-transport__tube-status$0.0010–Not checked
london-transport__mode-status$0.0010–Not checked
london-transport__line-status$0.0010–Not checked
london-transport__line-arrivals$0.0020–Not checked
london-transport__stop-arrivals$0.0020–Not checked
london-transport__stop-search$0.0010–Not checked
london-transport__stop$0.0010–Not checked
london-transport__stops-near$0.0020–Not checked
london-transport__journey$0.0030–Not checked
london-transport__bike-points$0.0020–Not checked
london-transport__bike-point$0.0010–Not checked
london-transport__road-status$0.0010–Not checked
london-transport__road-disruption$0.0020–Not checked
london-transport__air-quality$0.0010–Not checked
uk-road-safety__near$0.0030–Not checked
uk-road-safety__local-authority$0.0030–Not checked
uk-road-safety__lsoa$0.0020–Not checked
uk-road-safety__collision$0.0010–Not checked
tides__stations-near$0.0010–Not checked
tides__search$0.0010–Not checked
tides__station$0.0010–Not checked
tides__predictions$0.0020–Not checked
tides__water-level$0.0020–Not checked
tides__conditions$0.0020–Not checked
nhs-organisations__organisation$0.0010–No payment request returned
nhs-organisations__search$0.0010–Not checked
nhs-organisations__roles$0.00050–No payment request returned
schools__school$0.0010–Not checked
schools__search$0.0010–Not checked
schools__near$0.0020–Not checked
uk-food-hygiene__search$0.0020–Not checked
uk-food-hygiene__near$0.0020–Not checked
uk-food-hygiene__business$0.0020–Not checked
uk-food-hygiene__authorities$0.0010–Not checked
uk-food-hygiene__business-types$0.0010–Not checked
uk-food-hygiene__ratings$0.0010–Not checked
uk-food-hygiene__regions$0.0010–Not checked
uk-food-hygiene__score-descriptors$0.0010–Not checked
uk-police__street-crime$0.0030–Not checked
uk-police__crimes-at-location$0.0030–Not checked
uk-police__crimes-no-location$0.0020–Not checked
uk-police__categories$0.0010–Not checked
uk-police__last-updated$0.0010–Not checked
uk-police__outcomes-at-location$0.0030–Not checked
uk-police__crime-outcomes$0.0020–Not checked
uk-police__stop-search-force$0.0030–Not checked
uk-police__forces$0.0010–Not checked
uk-police__force$0.0010–Not checked
uk-police__force-officers$0.0010–Not checked
uk-police__neighbourhoods$0.0010–Not checked
uk-police__neighbourhood-team$0.0010–Not checked
uk-police__neighbourhood-events$0.0010–Not checked
uk-police__neighbourhood-priorities$0.0010–Not checked
uk-police__neighbourhood-boundary$0.0020–Not checked
uk-police__locate-neighbourhood$0.0020–Not checked
uk-police__stop-search-near$0.0030–Not checked
uk-police__neighbourhood$0.0010–Not checked

From our unpaid check: the tool list, plus at most 2 unpaid calls to tools that state a price, only to read the payment request. We never pay and never call tools that don't state a price. Stated prices are the server's own text or metadata. Full details: free quick check (JSON).

MCP Check Receipts (Newest First, Up To 10 Per Server)

ReceiptUTC TimePathStateHTTPmsToolsTools sha256Signed
a0361ceefca127ad19082026-10-24T08:48:47Z/mcp/v/toolsok20049718fc1ae3590438per-receipt
20bcfee1e312ac9ce8822026-10-24T08:39:46Z/mcp/v/safety-recallsok20069515fd04604c0b11per-receipt
3b4649e5156262b276462026-10-24T08:36:44Z/mcp/v/environmentok200472649c8031a13094per-receipt
c683fa51db576c3e62922026-10-24T07:15:51Z/mcp/v/uk-businessok20042858103982f8decdper-receipt
02dadf502166c2b26f0a2026-10-24T07:00:58Z/mcp/v/webok20042925d86dca321783per-receipt
1ee1500c621ce3431a892026-10-24T06:45:51Z/mcp/v/researchok2004863867d3abe6bbc6per-receipt
754e28c65d90278b9de02026-10-24T06:27:51Z/mcp/v/healthok20012629b80975b9a2deper-receipt
40e0e088f65d7d8344482026-10-24T06:27:41Z/mcp/v/uk-public-servicesok2002093388ba8e8fce33per-receipt
abdad2e747a104a188a42026-10-24T06:27:41Z/mcp/v/transportok2001703188d8ee7dc579per-receipt
2a095a542ebc70de509d2026-10-24T06:18:38Z/mcp/v/uk-businessok20079058103982f8decdper-receipt
65f78841e3022b4549e72026-10-24T05:42:40Z/mcp/v/webok20056725d86dca321783per-receipt
61c2e92f21a7484e39c02026-10-24T05:06:40Z/mcp/v/researchok2002343867d3abe6bbc6per-receipt
33158bf471f76a5498132026-10-24T05:03:38Z/mcpok200409315b8e314e4f4per-receipt
0e0fe549382ce92670ac2026-10-24T04:24:40Z/mcp/v/healthok20045129b80975b9a2deper-receipt
16cd55252b2509e771202026-10-23T22:48:38Z/mcp/v/toolsok20054218fc1ae3590438per-receipt
f2aeada33d16e39a96662026-10-23T22:09:39Z/mcp/v/environmentok200433649c8031a13094per-receipt

Operator? Reply, dispute or opt out.