{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-06T20:58:10.796Z","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward","markdownUrl":"https://verifymcp.io/servers/flights-onward-onward-flights/onward.md","server":{"slug":"flights-onward-onward-flights","name":"Onward Flights","registryName":"flights.onward/onward-flights","description":"Search real flights and buy an onward ticket (proof of onward travel), paid in USDC over MPP","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"onward","type":"remote","identifier":"https://onward.flights/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward","version":"1.0.0","transport":null,"scoredAt":"2026-11-06T07:15:19.983Z"},"score":{"total":82,"tier":"high trust","status":"scored","weekDelta":4,"history":[{"date":"2026-11-06","total":82},{"date":"2026-11-05","total":81},{"date":"2026-11-04","total":81},{"date":"2026-11-03","total":80},{"date":"2026-11-02","total":80},{"date":"2026-11-01","total":79},{"date":"2026-10-31","total":79},{"date":"2026-10-30","total":78},{"date":"2026-10-29","total":78},{"date":"2026-10-28","total":77},{"date":"2026-10-27","total":77},{"date":"2026-10-26","total":76},{"date":"2026-10-25","total":76},{"date":"2026-10-24","total":75},{"date":"2026-10-23","total":75},{"date":"2026-10-22","total":75},{"date":"2026-10-21","total":74},{"date":"2026-10-20","total":74}]},"categories":[{"name":"Endpoint Security","score":83,"verdict":"partial","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","No authorisation is required to call this server. Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation.","HTTPS is enforced; there's no plaintext access path.","The HSTS (Strict-Transport-Security) header is present.","DNSSEC is configured correctly; the domain's records validate against the full chain to the root."],"codes":[{"code":"tls.valid","args":{}},{"code":"auth.none_no_destructive","args":{}},{"code":"https.enforced","args":{}},{"code":"headers.hsts_present","args":{}},{"code":"dnssec.validated","args":{}}]},{"name":"Transport & Reachability","score":100,"verdict":"pass","reasons":["Verified streamable-http transport via a live MCP handshake."],"codes":[{"code":"transport.verified","args":{"transport":"streamable-http"}}]},{"name":"Schema Quality & AI Usability","score":69,"verdict":"fail","reasons":["AI-judged instruction clarity (excellent).","Context-footprint check failed: tool/resource definitions use about 600 tokens (~200/item across 3 items; 3 tools + 0 resources), over budget; trim descriptions and params.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.ai_quality","args":{"band":"excellent"}},{"code":"schema.footprint_heavy","args":{"avg":"200","items":"3","tools":"3","tokens":"600","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":57,"verdict":"partial","reasons":["Stability observed for 17 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"17"}}]},{"name":"Tool Coverage","score":100,"verdict":"pass","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","100% of tool parameters carry a description."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"100"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","We read all 3 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 4 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_none","args":{"tools":"3"}},{"code":"toolsafety.manipulation_clean","args":{"units":"4","judged":"4"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28."],"codes":[{"code":"protocol.supported","args":{"latest":"2026-07-28","version":"2025-11-25"}}]}],"inconclusive":[],"malware":[],"components":[{"slug":"onward","type":"remote","identifier":"https://onward.flights/mcp","withdrawn":false,"score":82,"current":true,"url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward","markdownUrl":"https://verifymcp.io/servers/flights-onward-onward-flights/onward.md"}],"facts":[{"label":"Endpoint","value":"https://onward.flights/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"find_airports","title":"Find airports","description":"Look up 3 letter IATA airport codes by city, airport or country name.","inputs":[{"name":"query","type":"string","required":true,"description":"City, airport, country or code, e.g. \"Bangkok\""}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":47},{"name":"search_flights","title":"Search onward flights","description":"Find one-way flights to use as an onward ticket. Returns up to 10 flights, each with an id to buy and its price in USD.","inputs":[{"name":"date","type":"string","required":false,"description":"Departure date, YYYY-MM-DD, within 9 months. Defaults to 14 days from now."},{"name":"destination","type":"string","required":true,"description":"IATA code of where the onward flight goes, e.g. \"SIN\""},{"name":"origin","type":"string","required":true,"description":"IATA code of the airport leaving the country the traveller is entering, e.g. \"BKK\""}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":114},{"name":"buy_ticket","title":"Buy onward ticket","description":"Buy the ticket for a flight from search_flights, paid in USDC. Call it first without payment to get the price, wallet address and MPP challenges. After sending the USDC, call it again with tx_hash and chain (or an MPP credential in _meta \"org.paymentauth/credential\"). x402 clients can instead sign one of the offers in error.data.x402 and retry with the PaymentPayload in _meta \"x402/payment\", with no gas needed. Returns the ticket link and PDF.","inputs":[{"name":"chain","type":"string","required":false,"description":"Chain the USDC was sent on, defaults to base"},{"name":"email","type":"string","required":false,"description":"Optional, also emails the ticket here"},{"name":"first_name","type":"string","required":true,"description":"Passenger's first name, as on their passport"},{"name":"last_name","type":"string","required":true,"description":"Passenger's last name, as on their passport"},{"name":"ticket_id","type":"string","required":true,"description":"The flight id from search_flights"},{"name":"tx_hash","type":"string","required":false,"description":"Hash of the USDC transfer that paid for it"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":211}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-06T07:15:19.000Z","track":"remote","endpoint":"https://onward.flights/mcp","declaredUrl":null,"truncated":false,"tls":{"outcome":"valid","label":"Valid","version":"TLS 1.3","cipherSuite":"TLS_AES_128_GCM_SHA256","chainError":null,"certificates":[{"subject":"CN=onward.flights","issuer":"CN=WE1,O=Google Trust Services,C=US","notBefore":"2026-10-30T22:52:06Z","notAfter":"2027-01-28T23:50:44Z","keyType":"ECDSA","keyBits":256,"isCa":false},{"subject":"CN=WE1,O=Google Trust Services,C=US","issuer":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","notBefore":"2023-12-13T09:00:00Z","notAfter":"2029-02-20T14:00:00Z","keyType":"ECDSA","keyBits":256,"isCa":true},{"subject":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","issuer":"CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE","notBefore":"2023-11-15T03:43:21Z","notAfter":"2028-01-28T00:00:42Z","keyType":"ECDSA","keyBits":384,"isCa":true}]},"dnssec":{"result":"secure","label":"Secure","name":"onward.flights.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"flights.","outcome":"verified","label":"Verified"},{"zone":"onward.flights.","outcome":"verified","label":"Verified"},{"zone":"onward.flights.","outcome":"verified","label":"Verified"}]},"auth":{"outcome":"none","label":"No authorisation required","gate":null,"gateLabel":null,"status":200,"authorizationServers":[]},"httpsRedirect":{"outcome":"https_enforced","label":"HTTPS enforced","status":301},"transports":[{"transport":"streamable-http","outcome":"verified","label":"Verified","status":200,"followed":false}],"provenance":null,"installScripts":[],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":null},"mismatches":[],"changelog":{"trackingSince":"2026-10-20","recent":[{"id":"chg_01a1afb6-4353-7625-b6fd-9bb2de6600b5","kind":"score.rubric_changed","summary":"We updated how we score, so this day's move reflects our rubric, not a change to the server","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-06","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a1afb6-4353-7625-b6fd-9bb2de6600b5"},{"id":"chg_01a1a569-9a8a-736c-9ff9-73bc8a86e9e7","kind":"score.total_changed","summary":"Trust score (80 → 81)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-04","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a1a569-9a8a-736c-9ff9-73bc8a86e9e7"},{"id":"chg_01a19b1c-be95-7b54-a769-e62271431a66","kind":"score.total_changed","summary":"Trust score (79 → 80)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a19b1c-be95-7b54-a769-e62271431a66"},{"id":"chg_01a190cf-5a15-75a7-a5db-847960e94953","kind":"score.total_changed","summary":"Trust score (78 → 79)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a190cf-5a15-75a7-a5db-847960e94953"},{"id":"chg_01a18685-9db0-793f-bc48-26bb55936683","kind":"score.total_changed","summary":"Trust score (77 → 78)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-29","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a18685-9db0-793f-bc48-26bb55936683"},{"id":"chg_01a17c37-1220-7e6b-b411-31db5d390b50","kind":"score.total_changed","summary":"Trust score (76 → 77)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-27","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a17c37-1220-7e6b-b411-31db5d390b50"},{"id":"chg_01a171ea-565b-7b19-bd35-03ac24105997","kind":"score.total_changed","summary":"Trust score (75 → 76)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a171ea-565b-7b19-bd35-03ac24105997"},{"id":"chg_01a16277-8433-7d3c-9f5c-fc3797ceedd7","kind":"score.total_changed","summary":"Trust score (74 → 75)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-22","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a16277-8433-7d3c-9f5c-fc3797ceedd7"},{"id":"chg_01a15d51-1673-7dfc-b8e4-7eb8a59793ba","kind":"check.reverified","summary":"Stability (unverified → 0.03)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-21","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a15d51-1673-7dfc-b8e4-7eb8a59793ba"},{"id":"chg_01a15d51-1674-7e4f-b66e-97807420e0bc","kind":"tool.description_changed","summary":"Tool “buy_ticket” rewrote its description, which is the text the model reads","materiality":"security","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-21","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a15d51-1674-7e4f-b66e-97807420e0bc"},{"id":"chg_01a15d51-1676-7aea-9ae4-ac06d43a9565","kind":"server.instructions_changed","summary":"The server rewrote its instructions, which are the text every model session reads","materiality":"security","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-21","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a15d51-1676-7aea-9ae4-ac06d43a9565"},{"id":"chg_01a157b7-c949-7cbf-9532-8263f95c28b2","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-20","url":"https://verifymcp.io/servers/flights-onward-onward-flights/onward#chg-chg_01a157b7-c949-7cbf-9532-8263f95c28b2"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/flights-onward-onward-flights/onward/changelog.json"},"links":{"html":"https://verifymcp.io/servers/flights-onward-onward-flights/onward","markdown":"https://verifymcp.io/servers/flights-onward-onward-flights/onward.md","changelogJson":"https://verifymcp.io/servers/flights-onward-onward-flights/onward/changelog.json","changelogRss":"https://verifymcp.io/servers/flights-onward-onward-flights/onward.xml","external":[{"label":"Remote endpoint","href":"https://onward.flights/mcp"},{"label":"Website","href":"https://onward.flights/agents"}]}}