{"$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":"2026-11-05T20:57:00.928Z","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check","markdownUrl":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check.md","server":{"slug":"dev-workers-quietworklabs-email-auth-check-email-auth-check","name":"Email Auth Checker","registryName":"dev.workers.quietworklabs.email-auth-check/email-auth-check","description":"SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"email-auth-check","type":"remote","identifier":"https://email-auth-check.quietworklabs.workers.dev/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check","version":"1.0.0","transport":null,"scoredAt":"2026-11-05T07:24:53.582Z"},"score":{"total":74,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":74},{"date":"2026-11-04","total":74},{"date":"2026-11-03","total":73},{"date":"2026-11-02","total":73},{"date":"2026-11-01","total":72},{"date":"2026-10-31","total":72},{"date":"2026-10-30","total":71},{"date":"2026-10-29","total":71},{"date":"2026-10-28","total":70},{"date":"2026-10-27","total":70},{"date":"2026-10-26","total":69},{"date":"2026-10-25","total":69},{"date":"2026-10-24","total":68},{"date":"2026-10-23","total":68},{"date":"2026-10-22","total":67},{"date":"2026-10-21","total":67},{"date":"2026-10-20","total":67},{"date":"2026-10-19","total":66},{"date":"2026-10-18","total":66}]},"categories":[{"name":"Endpoint Security","score":63,"verdict":"fail","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 enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement.","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.none_no_destructive","args":{}},{"code":"https.inconclusive","args":{"reason":"plaintext_status","status":"405"}},{"code":"headers.hsts_absent","args":{}},{"code":"dnssec.absent","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 733 tokens (~183/item across 4 items; 4 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":"183","items":"4","tools":"4","tokens":"733","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":60,"verdict":"partial","reasons":["Stability observed for 18 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"18"}}]},{"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 4 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 5 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":"4"}},{"code":"toolsafety.manipulation_clean","args":{"units":"5","judged":"5"}}]},{"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":["HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement."],"malware":[],"components":[{"slug":"email-auth-check","type":"remote","identifier":"https://email-auth-check.quietworklabs.workers.dev/mcp","withdrawn":false,"score":74,"current":true,"url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check","markdownUrl":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check.md"}],"facts":[{"label":"Endpoint","value":"https://email-auth-check.quietworklabs.workers.dev/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"email_auth_report","title":"Full email authentication report for a domain","description":"Full email-auth report for a domain: SPF (recursive 10-lookup count, void lookups, +all/?all, terms after all), DMARC (policy, pct, alignment, rua authorization), DKIM (keys and RSA key bits at common selectors or your own via selectors=), MX/null MX, MTA-STS policy, TLS-RPT, BIMI, and a Gmail/Yahoo/Outlook bulk-sender readiness verdict. Deterministic DNS-over-HTTPS, no AI. Price: $0.003 USDC per call via x402 (Base); the first 5 calls per day per client are free.","inputs":[{"name":"domain","type":"string","required":true,"description":"Domain (or email address) to check"},{"name":"selectors","type":"string","required":false,"description":"Optional comma list of DKIM selectors to probe (max 10)"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":174},{"name":"spf_lookup_count","title":"SPF record tree with RFC 7208 lookup and void-lookup counts","description":"Expands a domain's SPF record recursively (include/redirect) like a receiver does and counts DNS-querying terms against the RFC 7208 limit of 10 and void lookups against the limit of 2. Returns per-term lookup costs, problems (permerror causes) and warnings. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.","inputs":[{"name":"domain","type":"string","required":true,"description":"Domain to check"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":114},{"name":"dmarc_check","title":"DMARC record parse and validation","description":"Finds and validates a domain's DMARC record (falls back to the organizational domain): policy, subdomain policy, pct, alignment modes, rua/ruf, and whether external report domains authorized reports (RFC 7489 7.1). Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.","inputs":[{"name":"domain","type":"string","required":true,"description":"Domain to check"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":104},{"name":"domain_expiry","title":"Domain registration and expiry date via RDAP","description":"Registration data for a domain from the registry's RDAP server (IANA bootstrap): registrar, created/updated/expiry dates, days until expiry with ok/expiring_soon/expired status, EPP status codes, nameservers and DNSSEC. Works for gTLDs and ccTLDs that publish RDAP. Deterministic, no AI. Price: $0.002 USDC per call via x402 (Base); the first 5 calls per day per client are free.","inputs":[{"name":"domain","type":"string","required":true,"description":"Domain name"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":120}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T07:24:53.000Z","track":"remote","endpoint":"https://email-auth-check.quietworklabs.workers.dev/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=quietworklabs.workers.dev","issuer":"CN=YE1,O=Let's Encrypt,C=US","notBefore":"2026-10-18T01:34:54Z","notAfter":"2027-01-16T01:34:53Z","keyType":"ECDSA","keyBits":256,"isCa":false},{"subject":"CN=YE1,O=Let's Encrypt,C=US","issuer":"CN=Root YE,O=ISRG,C=US","notBefore":"2025-09-03T00:00:00Z","notAfter":"2028-09-02T23:59:59Z","keyType":"ECDSA","keyBits":384,"isCa":true},{"subject":"CN=Root YE,O=ISRG,C=US","issuer":"CN=ISRG Root X2,O=Internet Security Research Group,C=US","notBefore":"2026-05-13T00:00:00Z","notAfter":"2032-09-02T23:59:59Z","keyType":"ECDSA","keyBits":384,"isCa":true},{"subject":"CN=ISRG Root X2,O=Internet Security Research Group,C=US","issuer":"CN=ISRG Root X1,O=Internet Security Research Group,C=US","notBefore":"2026-05-13T00:00:00Z","notAfter":"2032-09-02T23:59:59Z","keyType":"ECDSA","keyBits":384,"isCa":true}]},"dnssec":{"result":"insecure","label":"Not signed","name":"email-auth-check.quietworklabs.workers.dev.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"dev.","outcome":"verified","label":"Verified"},{"zone":"workers.dev.","outcome":"insecure_proven","label":"Unsigned (proven)"}]},"auth":{"outcome":"none","label":"No authorisation required","gate":null,"gateLabel":null,"status":200,"authorizationServers":[]},"httpsRedirect":{"outcome":"inconclusive","label":"Inconclusive","status":405},"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":"2026-10-18","recent":[{"id":"chg_01a1a56c-49d7-789c-8bdd-c9cb52d635fe","kind":"score.total_changed","summary":"Trust score (73 → 74)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-04","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a1a56c-49d7-789c-8bdd-c9cb52d635fe"},{"id":"chg_01a19b1f-cfbb-7158-b35f-f04096ade7b8","kind":"score.total_changed","summary":"Trust score (72 → 73)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a19b1f-cfbb-7158-b35f-f04096ade7b8"},{"id":"chg_01a190d2-ba7b-7a45-ae32-1b2f9cf83fb6","kind":"score.total_changed","summary":"Trust score (71 → 72)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a190d2-ba7b-7a45-ae32-1b2f9cf83fb6"},{"id":"chg_01a18688-e9da-7f33-974d-85bd7c6f84ed","kind":"score.total_changed","summary":"Trust score (70 → 71)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-29","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a18688-e9da-7f33-974d-85bd7c6f84ed"},{"id":"chg_01a17c3a-5088-7c38-9a51-281495017d82","kind":"score.total_changed","summary":"Trust score (69 → 70)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-27","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a17c3a-5088-7c38-9a51-281495017d82"},{"id":"chg_01a171ec-2170-7c3e-9d70-e5d12cd83b6c","kind":"score.total_changed","summary":"Trust score (68 → 69)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a171ec-2170-7c3e-9d70-e5d12cd83b6c"},{"id":"chg_01a1679e-a61a-7724-b954-d4098b6d56dd","kind":"score.total_changed","summary":"Trust score (67 → 68)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-23","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a1679e-a61a-7724-b954-d4098b6d56dd"},{"id":"chg_01a1582a-2f16-7afb-b9bd-34bd1c67d1d5","kind":"score.total_changed","summary":"Trust score (66 → 67)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-20","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a1582a-2f16-7afb-b9bd-34bd1c67d1d5"},{"id":"chg_01a15303-bacc-77f2-8620-48d0fe262171","kind":"check.reverified","summary":"Stability (unverified → 0.03)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-19","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a15303-bacc-77f2-8620-48d0fe262171"},{"id":"chg_01a14d6e-7c2e-795e-a63a-6e807bfa611a","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-18","url":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check#chg-chg_01a14d6e-7c2e-795e-a63a-6e807bfa611a"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check/changelog.json"},"links":{"html":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check","markdown":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check.md","changelogJson":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check/changelog.json","changelogRss":"https://verifymcp.io/servers/dev-workers-quietworklabs-email-auth-check-email-auth-check/email-auth-check.xml","external":[{"label":"Remote endpoint","href":"https://email-auth-check.quietworklabs.workers.dev/mcp"},{"label":"Website","href":"https://email-auth-check.quietworklabs.workers.dev/"}]}}