{"$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":"2026-11-05T23:11:22.272Z","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier","markdownUrl":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier.md","server":{"slug":"io-usefulapi-millionverifier","name":"MillionVerifier MCP by usefulapi","registryName":"io.usefulapi/millionverifier","description":"Check MillionVerifier credits, verify emails and monitor confirmed bulk verification jobs.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"millionverifier","type":"remote","identifier":"https://millionverifier.usefulapi.io/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier","version":"1.6.3","transport":null,"scoredAt":"2026-11-05T15:05:29.615Z"},"score":{"total":18,"tier":"low","status":"scored","weekDelta":-42,"history":[{"date":"2026-11-05","total":18},{"date":"2026-11-04","total":18},{"date":"2026-11-03","total":18},{"date":"2026-11-02","total":18},{"date":"2026-11-01","total":64},{"date":"2026-10-31","total":63},{"date":"2026-10-30","total":60},{"date":"2026-10-29","total":60}]},"categories":[{"name":"Endpoint Security","score":46,"verdict":"fail","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","Authorisation not yet verified: we couldn't confirm whether this endpoint requires it.","HTTPS enforcement could not be verified: the plaintext port redirected somewhere other than https, so enforcement is unproven.","HSTS check failed: the Strict-Transport-Security header is absent.","DNSSEC check failed: this domain isn't protected by DNSSEC."],"codes":[{"code":"tls.valid","args":{}},{"code":"auth.unreachable","args":{}},{"code":"https.inconclusive","args":{"reason":"redirect_not_https"}},{"code":"headers.hsts_absent","args":{}},{"code":"dnssec.absent","args":{}}]},{"name":"Transport & Reachability","score":0,"verdict":"fail","reasons":["Transport check failed: declared streamable-http, but the endpoint redirected instead of responding directly."],"codes":[{"code":"transport.redirected","args":{"transport":"streamable-http"}}]},{"name":"Schema Quality & AI Usability","score":0,"verdict":"unverified","reasons":["Schema not yet verified: we couldn't read the endpoint's schema, or could read only part of its tool list."],"codes":[{"code":"schema.unreachable","args":{}}]},{"name":"Stability & Change Management","score":0,"verdict":"unverified","reasons":["Stability not yet verified: not enough scan history yet (needs a 30-day window)."],"codes":[{"code":"stability.insufficient_history","args":{}}]},{"name":"Tool Coverage","score":0,"verdict":"unverified","reasons":["Tool coverage not yet verified: we couldn't read the endpoint's tools, or could read only part of the list."],"codes":[{"code":"toolquality.unreachable","args":{}}]},{"name":"Tool Safety","score":0,"verdict":"unverified","reasons":["Tool safety not yet verified: we couldn't read the endpoint's tools, or could read only part of the list."],"codes":[{"code":"toolsafety.unreachable","args":{}}]},{"name":"Capabilities","score":0,"verdict":"unverified","reasons":["Capabilities not yet verified: we couldn't read the endpoint's capabilities."],"codes":[{"code":"cap.unreachable","args":{}}]}],"inconclusive":["Authorisation not yet verified: we couldn't confirm whether this endpoint requires it.","HTTPS enforcement could not be verified: the plaintext port redirected somewhere other than https, so enforcement is unproven.","Schema not yet verified: we couldn't read the endpoint's schema, or could read only part of its tool list.","Stability not yet verified: not enough scan history yet (needs a 30-day window).","Tool coverage not yet verified: we couldn't read the endpoint's tools, or could read only part of the list.","Tool safety not yet verified: we couldn't read the endpoint's tools, or could read only part of the list.","Capabilities not yet verified: we couldn't read the endpoint's capabilities."],"malware":[],"components":[{"slug":"millionverifier","type":"remote","identifier":"https://millionverifier.usefulapi.io/mcp","withdrawn":false,"score":18,"current":true,"url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier","markdownUrl":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier.md"}],"facts":[{"label":"Endpoint","value":"https://millionverifier.usefulapi.io/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.6.3"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"millionverifier_credits","title":"Check MillionVerifier credits","description":"Read remaining MillionVerifier credits without starting verification.","inputs":[],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":20},{"name":"millionverifier_verify_email","title":"Verify an email with MillionVerifier","description":"Verify one email using MillionVerifier's real-time API. Can spend credits and requires confirm:true. The vendor timeout is 10 seconds; this charged GET is never retried. Unknown/catch-all results do not establish deliverability. If the response is lost, check the dashboard before submitting again.","inputs":[{"name":"confirm","type":"boolean","required":false,"description":null},{"name":"email","type":"string","required":true,"description":null}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":84},{"name":"millionverifier_upload_file","title":"Start MillionVerifier bulk verification","description":"Create and upload a CSV of 1–1,000 emails for bulk verification. Can start a billable job and spend credits; requires confirm:true. Returns a file ID for millionverifier_file_info. Never retries or automatically polls. A timed-out submission may still create a job; check the dashboard before repeating it. Download individual results in MillionVerifier.","inputs":[{"name":"confirm","type":"boolean","required":false,"description":null},{"name":"emails","type":"array","required":true,"description":null},{"name":"filename","type":"string","required":false,"description":null}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":104},{"name":"millionverifier_file_info","title":"Read MillionVerifier bulk file status","description":"Read an existing bulk file's verification status, progress and aggregate result counts using its file ID. Includes failed/canceled jobs without starting, stopping or re-verifying anything. Does not download individual email results. Wait between polls.","inputs":[{"name":"file_id","type":"string","required":true,"description":null}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":64}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T15:05:29.000Z","track":"remote","endpoint":"https://millionverifier.usefulapi.io/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=usefulapi.io","issuer":"CN=WE1,O=Google Trust Services,C=US","notBefore":"2026-09-13T08:55:39Z","notAfter":"2026-12-12T09:54:12Z","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":"insecure","label":"Not signed","name":"millionverifier.usefulapi.io.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"io.","outcome":"verified","label":"Verified"},{"zone":"usefulapi.io.","outcome":"insecure_proven","label":"Unsigned (proven)"}]},"auth":{"outcome":"inconclusive","label":"Inconclusive","gate":null,"gateLabel":null,"status":302,"authorizationServers":[]},"httpsRedirect":{"outcome":"inconclusive","label":"Inconclusive","status":302},"transports":[{"transport":"streamable-http","outcome":"redirected","label":"Redirected","status":302,"followed":false}],"provenance":null,"installScripts":[],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":null},"mismatches":[],"changelog":{"trackingSince":"2026-10-29","recent":[{"id":"chg_01a19ab9-6c34-789c-8545-2cab5ef4712a","kind":"check.unverifiable","summary":"Stability (0.10 → unverified)","materiality":"security","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c34-789c-8545-2cab5ef4712a"},{"id":"chg_01a19ab9-6c35-7b5d-b33a-fd11b742417a","kind":"check.unverifiable","summary":"Tool safety (pass → unverified)","materiality":"security","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c35-7b5d-b33a-fd11b742417a"},{"id":"chg_01a19ab9-6c36-70dd-8d59-c8cc8f3dcb4f","kind":"check.unverifiable","summary":"Authorization (pass → unverified)","materiality":"security","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c36-70dd-8d59-c8cc8f3dcb4f"},{"id":"chg_01a19ab9-6c36-7889-8d1a-30cb5aa4621c","kind":"check.unverifiable","summary":"Schema quality (100 → unverified)","materiality":"functional","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c36-7889-8d1a-30cb5aa4621c"},{"id":"chg_01a19ab9-6c36-7e2f-8ea2-1a20c2f8baa9","kind":"check.unverifiable","summary":"Capabilities (pass → unverified)","materiality":"functional","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c36-7e2f-8ea2-1a20c2f8baa9"},{"id":"chg_01a19ab9-6c37-7398-836c-8fc218bbe44b","kind":"check.unverifiable","summary":"Tool coverage (100 → unverified)","materiality":"functional","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c37-7398-836c-8fc218bbe44b"},{"id":"chg_01a19ab9-6c37-7848-b240-7c619d24dc57","kind":"capture.status_changed","summary":"Endpoint reachability (reachable → not serving MCP)","materiality":"security","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c37-7848-b240-7c619d24dc57"},{"id":"chg_01a19ab9-6c37-7cbe-a5fe-3acc93e48ba0","kind":"score.total_changed","summary":"Trust score (64 → 18)","materiality":"functional","direction":"regression","scoreDelta":-46,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19ab9-6c37-7cbe-a5fe-3acc93e48ba0"},{"id":"chg_01a19593-ae57-785e-a31c-3b6e70fa14d2","kind":"score.total_changed","summary":"Trust score (63 → 64)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-01","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19593-ae57-785e-a31c-3b6e70fa14d2"},{"id":"chg_01a193fe-51bf-7429-a623-1dc9c91e8064","kind":"check.verdict","summary":"Authorization (partial → pass)","materiality":"security","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51bf-7429-a623-1dc9c91e8064"},{"id":"chg_01a193fe-51c1-7e27-ac08-8356a8f7a6e4","kind":"check.verdict","summary":"MCP protocol (fail → pass)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c1-7e27-ac08-8356a8f7a6e4"},{"id":"chg_01a193fe-51c2-744f-bac2-2eb83325126d","kind":"prompt.added","summary":"New prompt “check_available_verification_credits”","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c2-744f-bac2-2eb83325126d"},{"id":"chg_01a193fe-51c2-79ef-b5cb-eb5c515d1db3","kind":"prompt.added","summary":"New prompt “review_an_existing_bulk_job”","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c2-79ef-b5cb-eb5c515d1db3"},{"id":"chg_01a193fe-51c2-7eb8-a594-3a37cec51645","kind":"prompt.added","summary":"New prompt “screen_a_new_email_address”","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c2-7eb8-a594-3a37cec51645"},{"id":"chg_01a193fe-51c3-740d-893b-063bc5dda306","kind":"prompt.added","summary":"New prompt “submit_a_list_for_bulk_verification”","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c3-740d-893b-063bc5dda306"},{"id":"chg_01a193fe-51c3-7b01-a3d5-ca529e423d81","kind":"server.version_changed","summary":"Server version (1.2.0 → 1.4.0)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c3-7b01-a3d5-ca529e423d81"},{"id":"chg_01a193fe-51c4-7071-b91a-94f81407fc93","kind":"protocol.version_changed","summary":"MCP protocol version (2025-06-18 → 2025-11-25)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c4-7071-b91a-94f81407fc93"},{"id":"chg_01a193fe-51c4-74cd-9d3d-672baa59fc10","kind":"score.total_changed","summary":"Trust score (61 → 63)","materiality":"functional","direction":"improvement","scoreDelta":2,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a193fe-51c4-74cd-9d3d-672baa59fc10"},{"id":"chg_01a19321-e84b-79a8-a910-48eab916b65e","kind":"server.version_changed","summary":"Server version (1.1.0 → 1.2.0)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a19321-e84b-79a8-a910-48eab916b65e"},{"id":"chg_01a191d9-1dfd-770a-8ca4-137d6d088c28","kind":"server.version_changed","summary":"Server version (1.0.2 → 1.1.0)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier#chg-chg_01a191d9-1dfd-770a-8ca4-137d6d088c28"}],"truncated":true,"feedUrl":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier/changelog.json"},"links":{"html":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier","markdown":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier.md","changelogJson":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier/changelog.json","changelogRss":"https://verifymcp.io/servers/io-usefulapi-millionverifier/millionverifier.xml","external":[{"label":"Remote endpoint","href":"https://millionverifier.usefulapi.io/mcp"},{"label":"Repository","href":"https://github.com/m190/usefulapi-mcp"},{"label":"Website","href":"https://usefulapi.io/millionverifier/"}]}}