{"domain":"tracetail.io","name":"TraceTail","url":"https://inite.ai/en/atlas/tracetail.io","site":"https://tracetail.io","summary":"Computes a stable browser visitor ID from 40 browser signals, recognizing returning visitors without cookies or local storage.","forWhom":"Web developers and teams who need to recognize returning browsers and fight signup abuse, account takeover or bots without cookies.","useCases":["flag sign-ins from devices an account has never used","detect one device opening many accounts to claim promo offers","rate-limit scrapers and bots by visitor ID instead of IP"],"categories":[],"pricing":{"model":"usage","freeTier":true,"startsAt":{"amount":0.1,"currency":"USD","per":"usage"},"page":"https://tracetail.io/pricing","readOn":"2026-10-20"},"priceMoves":[],"interfaces":{"readOn":"2026-10-20","apiDocs":null,"openapi":{"url":"https://tracetail.io/openapi.json","paths":8,"title":"TraceTail API"},"mcp":[{"name":"io.tracetail/tracetail","tie":"namespace","registered":true,"remotes":["https://tracetail.io/mcp"],"packages":[],"probe":{"state":"open","checkedOn":"2026-10-20","toolCount":6,"tools":["get_integration_code","search_docs","read_docs_page","get_pricing","create_setup_link","check_setup_link"],"serverName":"tracetail"}}],"mcpServerCard":null,"status":{"url":"https://tracetail.io/status","indicator":null}},"mcpMeasured":{"server":"https://tracetail.io/mcp","checkedSince":"2026-10-20","dailyChecks":15,"uptimePercent":100,"medianMs":306,"signIn":"none","clientRegistration":null,"tools":6,"contextTokens":1153,"definitionsGrade":"A","definitionsScore":100,"typedResults":0,"failingChecks":{},"warnings":{"open_writes":["create_setup_link"]},"coverage":{"share":0,"cases":[{"useCase":"flag sign-ins from devices an account has never used","verdict":"not_covered","firstTool":null,"checks":["A sign-in from a device the account has never used is flagged.","Sign-ins from devices the account has used before are not flagged.","The flag names the account and the new visitor ID."]},{"useCase":"detect one device opening many accounts to claim promo offers","verdict":"not_covered","firstTool":null,"checks":["A single visitor ID tied to many accounts is detected and reported.","The report lists the accounts linked to that one visitor ID."]},{"useCase":"rate-limit scrapers and bots by visitor ID instead of IP","verdict":"not_covered","firstTool":null,"checks":["Requests from a flagged visitor ID are limited once its threshold is reached.","The limiting is keyed to the visitor ID rather than the IP address.","Visitors below the threshold continue without being limited."]}]},"adoption":{"npmWeekly":null,"pypiWeekly":null,"githubStars":null},"score":{"value":58,"parts":{"reliability":100,"coverage":0,"definitions":100,"context":100,"connect":100},"penalties":["open_writes"]},"advice":{"verdict":"skip","why":["its tools do none of the product's use cases checked: \"flag sign-ins from devices an account has never used\", \"detect one device opening many accounts to claim promo offers\", \"rate-limit scrapers and bots by visitor ID instead of IP\""],"how":["create_setup_link change data without a sign-in: anyone with the URL can call them"]},"method":"https://inite.ai/en/atlas/mcp/report"},"connect":{"order":["mcp","openapi","llmsTxt"],"mcp":[{"name":"io.tracetail/tracetail","url":"https://tracetail.io/mcp","answers":"open","checkedOn":"2026-10-20","weakTie":false,"registry":"https://registry.modelcontextprotocol.io/v0/servers?search=io.tracetail%2Ftracetail","config":{"mcpServers":{"tracetail":{"url":"https://tracetail.io/mcp"}}},"install":{"transport":"http","claudeCode":"claude mcp add --transport http tracetail https://tracetail.io/mcp","cursor":"cursor://anysphere.cursor-deeplink/mcp/install?name=tracetail&config=eyJ1cmwiOiJodHRwczovL3RyYWNldGFpbC5pby9tY3AifQ%3D%3D","vscode":"vscode:mcp/install?%7B%22name%22%3A%22tracetail%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Ftracetail.io%2Fmcp%22%7D","connector":{"url":"https://tracetail.io/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":{"url":"https://tracetail.io/openapi.json","paths":8},"apiDocs":null,"llmsTxt":"https://tracetail.io/llms.txt","status":"https://tracetail.io/status","readOn":"2026-10-20"},"trust":{"readOn":"2026-10-20","certifications":["gdpr"],"training":null},"used":0,"alive":100,"traits":{"buyer":"developer","deployment":null,"developerFocus":true,"readAt":"2026-10-20"},"verifiedPlans":null,"fromVendor":null}