{"$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":"2026-11-05T16:25:09.509Z","url":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups","markdownUrl":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups.md","server":{"slug":"app-tuper-agent-signups","name":"Can my AI agent sign up?","registryName":"app.tuper/agent-signups","description":"Can an AI agent sign up to X? 58 services tested: Cloudflare, captcha, phone or terms gates.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"mcp-signups","type":"remote","identifier":"https://mcp-signups.tuper.app/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups","version":"1.0.0","transport":null,"scoredAt":"2026-11-05T00:00:12.463Z"},"score":{"total":72,"tier":"medium","status":"scored","weekDelta":null,"history":[{"date":"2026-11-05","total":72},{"date":"2026-11-04","total":72},{"date":"2026-11-03","total":71},{"date":"2026-11-02","total":71}]},"categories":[{"name":"Endpoint Security","score":74,"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 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_no_destructive","args":{}},{"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":72,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 327 tokens (~163/item across 2 items; 2 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":"good"}},{"code":"schema.footprint_heavy","args":{"avg":"163","items":"2","tools":"2","tokens":"327","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":10,"verdict":"partial","reasons":["Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"3"}}]},{"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 3 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":"3","judged":"3"}}]},{"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":"mcp-signups","type":"remote","identifier":"https://mcp-signups.tuper.app/mcp","withdrawn":false,"score":72,"current":true,"url":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups","markdownUrl":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups.md"}],"facts":[{"label":"Endpoint","value":"https://mcp-signups.tuper.app/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"lookup_signup_gate","title":"Can my AI agent sign up to this service?","description":"Look up one service, e.g. \"Slack\", \"Polar\", \"Reddit\", \"Product Hunt\", \"Bluesky\": whether our real AI agent was admitted or blocked, the gate (Cloudflare, Turnstile, reCAPTCHA, phone, terms), the date tested and what worked instead. Not in the table: says so and points to the free probe skill.","inputs":[{"name":"service","type":"string","required":true,"description":"Service or site name, or its domain"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":102},{"name":"list_signup_gates","title":"List sign-up gates","description":"List the 58 tested services, optionally filtered by gate: blocked, admitted, or one of works, api, cloudflare, turnstile, captcha, rejected, phone, google, tos, person. Also counts per gate.","inputs":[{"name":"gate","type":"string","required":false,"description":"Filter; omit for all"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":69}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T00:00:12.000Z","track":"remote","endpoint":"https://mcp-signups.tuper.app/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=mcp-signups.tuper.app","issuer":"CN=YR1,O=Let's Encrypt,C=US","notBefore":"2026-11-02T12:42:07Z","notAfter":"2027-01-31T12:42:06Z","keyType":"RSA","keyBits":2048,"isCa":false},{"subject":"CN=YR1,O=Let's Encrypt,C=US","issuer":"CN=Root YR,O=ISRG,C=US","notBefore":"2025-09-03T00:00:00Z","notAfter":"2028-09-02T23:59:59Z","keyType":"RSA","keyBits":2048,"isCa":true},{"subject":"CN=Root YR,O=ISRG,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":"RSA","keyBits":4096,"isCa":true}]},"dnssec":{"result":"insecure","label":"Not signed","name":"mcp-signups.tuper.app.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"app.","outcome":"verified","label":"Verified"},{"zone":"tuper.app.","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":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":"2026-11-02","recent":[{"id":"chg_01a1a3db-1940-7cd7-87ee-835f64a466af","kind":"score.total_changed","summary":"Trust score (71 → 72)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-04","url":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups#chg-chg_01a1a3db-1940-7cd7-87ee-835f64a466af"},{"id":"chg_01a19eb4-c94d-755d-a814-08e0f237a81a","kind":"check.reverified","summary":"Stability (unverified → 0.03)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-11-03","url":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups#chg-chg_01a19eb4-c94d-755d-a814-08e0f237a81a"},{"id":"chg_01a19cc6-4f34-713a-a2a0-78fb3896d7a6","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-02","url":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups#chg-chg_01a19cc6-4f34-713a-a2a0-78fb3896d7a6"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups/changelog.json"},"links":{"html":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups","markdown":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups.md","changelogJson":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups/changelog.json","changelogRss":"https://verifymcp.io/servers/app-tuper-agent-signups/mcp-signups.xml","external":[{"label":"Remote endpoint","href":"https://mcp-signups.tuper.app/mcp"},{"label":"Website","href":"https://mcp-signups.tuper.app/?src=mcp-registry"}]}}