{"$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":"2026-11-05T16:20:32.389Z","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi","markdownUrl":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi.md","server":{"slug":"notprathap-nobounce-mcp","name":"NoBounce Email Validation","registryName":"io.github.notprathap/nobounce-mcp","description":"Real-time single and bulk email validation (syntax, MX, 5,000+ disposable domains, SMTP).","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"nobounceapi","type":"remote","identifier":"https://nobounceapi.com/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi","version":"1.0.0","transport":null,"scoredAt":"2026-11-05T01:29:06.560Z"},"score":{"total":70,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-05","total":70},{"date":"2026-11-04","total":69},{"date":"2026-11-03","total":69},{"date":"2026-11-02","total":68},{"date":"2026-11-01","total":68},{"date":"2026-10-31","total":68},{"date":"2026-10-30","total":67},{"date":"2026-10-29","total":67},{"date":"2026-10-28","total":66},{"date":"2026-10-27","total":66},{"date":"2026-10-26","total":65},{"date":"2026-10-25","total":65},{"date":"2026-10-24","total":64},{"date":"2026-10-23","total":64},{"date":"2026-10-22","total":63},{"date":"2026-10-21","total":63},{"date":"2026-10-20","total":62},{"date":"2026-10-19","total":62},{"date":"2026-10-18","total":61},{"date":"2026-10-17","total":61},{"date":"2026-10-16","total":23}]},"categories":[{"name":"Endpoint Security","score":57,"verdict":"fail","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","Authorisation not fully verified: no authorisation is required to call this server, and 2 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.","HTTPS is enforced; there's no plaintext access path.","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_undeclared","args":{"undeclared_tools":"2"}},{"code":"https.enforced","args":{}},{"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":74,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Tool/resource definitions use about 182 tokens (~91/item across 2 items; 2 tools + 0 resources), lean.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.ai_quality","args":{"band":"good"}},{"code":"schema.footprint_lean","args":{"avg":"91","items":"2","tools":"2","tokens":"182","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":63,"verdict":"partial","reasons":["Stability observed for 19 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"19"}}]},{"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 2 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 2 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":"2"}},{"code":"toolsafety.manipulation_clean","args":{"units":"2","judged":"2"}}]},{"name":"Capabilities","score":20,"verdict":"fail","reasons":["Spec-recency check failed: implements MCP spec 2024-11-05; the latest is 2026-07-28."],"codes":[{"code":"protocol.outdated","args":{"latest":"2026-07-28","version":"2024-11-05"}}]}],"inconclusive":["Authorisation not fully verified: no authorisation is required to call this server, and 2 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe."],"malware":[],"components":[{"slug":"nobounceapi","type":"remote","identifier":"https://nobounceapi.com/mcp","withdrawn":false,"score":70,"current":true,"url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi","markdownUrl":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi.md"}],"facts":[{"label":"Endpoint","value":"https://nobounceapi.com/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"validate_email","title":null,"description":"Validate a single email address in real time using NoBounce API. Checks RFC 5322 syntax, DNS MX records, 5,000+ disposable providers, role accounts, free webmail providers, typo suggestions, and optional SMTP handshake.","inputs":[{"name":"email","type":"string","required":true,"description":"The email address to validate (e.g., contact@github.com)"},{"name":"smtp_check","type":"boolean","required":false,"description":"Perform deep SMTP mailbox handshake (default: false)"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":93},{"name":"validate_emails_bulk","title":null,"description":"Validate a batch of up to 1,000 email addresses in a single call using NoBounce API. Returns per-email validation results plus summary counts (valid, invalid, disposable, catch_all, unknown).","inputs":[{"name":"emails","type":"array","required":true,"description":"List of email addresses to validate (up to 1,000 emails)"},{"name":"smtp_check","type":"boolean","required":false,"description":"Perform deep SMTP mailbox handshake (default: false)"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":89}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T01:29:06.000Z","track":"remote","endpoint":"https://nobounceapi.com/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=nobounceapi.com","issuer":"CN=WR3,O=Google Trust Services,C=US","notBefore":"2026-10-13T22:35:32Z","notAfter":"2027-01-11T23:25:22Z","keyType":"RSA","keyBits":2048,"isCa":false},{"subject":"CN=WR3,O=Google Trust Services,C=US","issuer":"CN=GTS Root R1,O=Google Trust Services LLC,C=US","notBefore":"2023-12-13T09:00:00Z","notAfter":"2029-02-20T14:00:00Z","keyType":"RSA","keyBits":2048,"isCa":true},{"subject":"CN=GTS Root R1,O=Google Trust Services LLC,C=US","issuer":"CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE","notBefore":"2020-06-19T00:00:42Z","notAfter":"2028-01-28T00:00:42Z","keyType":"RSA","keyBits":4096,"isCa":true}]},"dnssec":{"result":"insecure","label":"Not signed","name":"nobounceapi.com.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"com.","outcome":"verified","label":"Verified"},{"zone":"nobounceapi.com.","outcome":"insecure_proven","label":"Unsigned (proven)"}]},"auth":{"outcome":"none","label":"No authorisation required","gate":null,"gateLabel":null,"status":200,"authorizationServers":[]},"httpsRedirect":{"outcome":"https_enforced","label":"HTTPS enforced","status":302},"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":"2026-10-16","recent":[{"id":"chg_01a1a952-ed23-7ccc-9b9c-f4020d0a5e87","kind":"score.total_changed","summary":"Trust score (69 → 70)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-05","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a1a952-ed23-7ccc-9b9c-f4020d0a5e87"},{"id":"chg_01a19f05-e8c6-7b66-94b2-c6faecda2f2c","kind":"score.total_changed","summary":"Trust score (68 → 69)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-03","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a19f05-e8c6-7b66-94b2-c6faecda2f2c"},{"id":"chg_01a18f92-a9e6-751c-87a7-2961d50db0b6","kind":"score.total_changed","summary":"Trust score (67 → 68)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-31","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a18f92-a9e6-751c-87a7-2961d50db0b6"},{"id":"chg_01a1852c-57a4-7c9d-9904-44d4951526af","kind":"score.total_changed","summary":"Trust score (66 → 67)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-29","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a1852c-57a4-7c9d-9904-44d4951526af"},{"id":"chg_01a17adf-c37a-7d1f-a0d2-4f225a46e8da","kind":"score.total_changed","summary":"Trust score (65 → 66)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-27","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a17adf-c37a-7d1f-a0d2-4f225a46e8da"},{"id":"chg_01a17093-05cd-7dc7-9add-782fadf5bb02","kind":"score.total_changed","summary":"Trust score (64 → 65)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a17093-05cd-7dc7-9add-782fadf5bb02"},{"id":"chg_01a16646-097f-729e-a20c-1fb6295825a5","kind":"score.total_changed","summary":"Trust score (63 → 64)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-23","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a16646-097f-729e-a20c-1fb6295825a5"},{"id":"chg_01a15bf9-1331-7008-a58c-a19bb11bf991","kind":"score.total_changed","summary":"Trust score (62 → 63)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-21","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a15bf9-1331-7008-a58c-a19bb11bf991"},{"id":"chg_01a151ad-a169-77d1-9e13-25a17b0fec5b","kind":"score.total_changed","summary":"Trust score (61 → 62)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-19","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a151ad-a169-77d1-9e13-25a17b0fec5b"},{"id":"chg_01a14c86-90e9-71ba-8efa-224e86e5e771","kind":"check.reverified","summary":"Stability (unverified → 0.03)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-18","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14c86-90e9-71ba-8efa-224e86e5e771"},{"id":"chg_01a14760-1ec3-7db1-b4b3-2c78032beb34","kind":"check.verdict","summary":"Transport (fail → pass)","materiality":"security","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec3-7db1-b4b3-2c78032beb34"},{"id":"chg_01a14760-1ec4-7ab1-b792-2f7a4a6d9082","kind":"check.reverified","summary":"Injection markers (unverified → pass)","materiality":"security","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec4-7ab1-b792-2f7a4a6d9082"},{"id":"chg_01a14760-1ec5-71a8-b0de-9b6ada058905","kind":"check.appeared","summary":"First check of Judged manipulation (pass)","materiality":"security","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec5-71a8-b0de-9b6ada058905"},{"id":"chg_01a14760-1ec5-769d-b7b2-2f9ae1e2a9e3","kind":"check.reason","summary":"Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 2 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)","materiality":"security","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec5-769d-b7b2-2f9ae1e2a9e3"},{"id":"chg_01a14760-1ec5-7ae4-b6ef-84d601253177","kind":"check.reverified","summary":"MCP protocol (unverified → fail)","materiality":"functional","direction":"regression","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec5-7ae4-b6ef-84d601253177"},{"id":"chg_01a14760-1ec6-71e4-89f2-fead9b7bde6f","kind":"check.reverified","summary":"Tool coverage (unverified → 100)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec6-71e4-89f2-fead9b7bde6f"},{"id":"chg_01a14760-1ec6-7670-b040-be02d5d5d8d8","kind":"check.appeared","summary":"First check of Schema quality (fail)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec6-7670-b040-be02d5d5d8d8"},{"id":"chg_01a14760-1ec6-7aa6-b9fb-88b0344e917e","kind":"check.appeared","summary":"First check of Destructive annotations (pass)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec6-7aa6-b9fb-88b0344e917e"},{"id":"chg_01a14760-1ec7-71fa-820c-2e98a8b50ff6","kind":"check.appeared","summary":"First check of Schema quality (pass)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec7-71fa-820c-2e98a8b50ff6"},{"id":"chg_01a14760-1ec7-773b-bbb7-240218e52b48","kind":"check.appeared","summary":"First check of Schema quality (good)","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-17","url":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi#chg-chg_01a14760-1ec7-773b-bbb7-240218e52b48"}],"truncated":true,"feedUrl":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi/changelog.json"},"links":{"html":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi","markdown":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi.md","changelogJson":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi/changelog.json","changelogRss":"https://verifymcp.io/servers/notprathap-nobounce-mcp/nobounceapi.xml","external":[{"label":"Remote endpoint","href":"https://nobounceapi.com/mcp"},{"label":"Authorisation metadata","href":"https://nobounceapi.com/.well-known/oauth-protected-resource/mcp"},{"label":"Repository","href":"https://github.com/notprathap/nobounce-mcp"}]}}