{"domain":"listcheckup.com","name":"ListCheckup","url":"https://inite.ai/en/atlas/listcheckup.com","site":"https://listcheckup.com","summary":"Checks each address on a mailing list against its mail server and reports whether it is valid, invalid, risky, catch-all or unknown.","forWhom":"Marketers and teams sending email campaigns who want to clean their own subscriber lists first","useCases":["clean a self-built email list before sending","check a single address on demand","watch list domains for stopped mail acceptance"],"categories":["dev"],"pricing":{"model":"freemium","freeTier":true,"startsAt":{"amount":5,"currency":"EUR","per":"one-time","billed":null},"page":"https://listcheckup.com/pricing","readOn":"2026-10-27"},"priceMoves":[],"interfaces":{"readOn":"2026-10-27","apiDocs":"https://listcheckup.com/api","openapi":null,"mcp":[{"name":"com.listcheckup/mcp","tie":"namespace","registered":true,"remotes":["https://listcheckup.com/mcp"],"packages":[],"probe":{"state":"auth","checkedOn":"2026-10-27","toolCount":null,"tools":[],"serverName":null}}],"mcpServerCard":null,"status":null},"mcpMeasured":{"server":"https://listcheckup.com/mcp","checkedSince":"2026-10-27","dailyChecks":6,"uptimePercent":null,"medianMs":554,"signIn":"token","clientRegistration":null,"tools":null,"contextTokens":null,"definitionsGrade":null,"definitionsScore":null,"typedResults":null,"failingChecks":null,"warnings":null,"coverage":null,"adoption":{"npmWeekly":null,"pypiWeekly":null,"githubStars":0},"score":null,"advice":{"verdict":"unproven","why":["checked on 6 of the 7 days it takes to judge reliability"],"how":["needs a key you paste into the client config"]},"method":"https://inite.ai/en/atlas/mcp/report"},"connect":{"order":["mcp","apiDocs"],"mcp":[{"name":"com.listcheckup/mcp","url":"https://listcheckup.com/mcp","answers":"sign-in","checkedOn":"2026-10-27","weakTie":false,"registry":"https://registry.modelcontextprotocol.io/v0/servers?search=com.listcheckup%2Fmcp","config":{"mcpServers":{"listcheckup":{"url":"https://listcheckup.com/mcp"}}},"install":{"transport":"http","claudeCode":"claude mcp add --transport http listcheckup https://listcheckup.com/mcp","cursor":"cursor://anysphere.cursor-deeplink/mcp/install?name=listcheckup&config=eyJ1cmwiOiJodHRwczovL2xpc3RjaGVja3VwLmNvbS9tY3AifQ%3D%3D","vscode":"vscode:mcp/install?%7B%22name%22%3A%22listcheckup%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Flistcheckup.com%2Fmcp%22%7D","connector":{"url":"https://listcheckup.com/mcp","note":"Add it as a custom connector in the client’s settings; the client opens the sign-in itself when the server asks for one."}}}],"openapi":null,"apiDocs":"https://listcheckup.com/api","llmsTxt":null,"status":null,"readOn":"2026-10-27"},"trust":{"readOn":"2026-10-27","certifications":[],"training":null},"used":null,"alive":100,"traits":{"buyer":null,"deployment":"saas-only","developerFocus":null,"readAt":"2026-10-27"},"verifiedPlans":null,"fromVendor":null}