{"slug":"waiverfile-mcp-by-usefulapi-701223c7","name":"WaiverFile MCP by usefulapi","summary":"Read WaiverFile waivers, events, forms and SMS opt-ins; create and update events, invite managers.","status":"unreachable","headings":[{"slug":"email-messaging","title":"Email & messaging"}],"indexable":true,"listed_since":"2026-10-25T17:52:51.264187Z","sources":[{"source":"mcp_registry","external_id":"io.usefulapi/waiverfile","owner_address":null,"seen_at":"2026-11-13T09:14:49.466057Z","removed_at":null}],"endpoints":[{"url":"https://waiverfile.usefulapi.io/mcp","host":"waiverfile.usefulapi.io","protocol":"mcp","state":"unreachable","last_probe_at":"2026-11-11T03:44:56.703443Z","last_ok_at":"2026-10-26T22:37:21.158157Z","tools_count":17,"tools_changed_at":null,"uptime_24h":null,"uptime_30d":0.08333333333333333},{"url":"https://usefulapi.io/waiverfile/","host":"usefulapi.io","protocol":"web","state":"live","last_probe_at":"2026-11-13T05:58:56.537922Z","last_ok_at":"2026-11-13T05:58:56.537922Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"payment_options":[],"usage":null,"assessment":{"method":"2026.11.4","checks":[{"id":"answers","state":"fail","reason":"Last answered a check 17 days ago."},{"id":"owner","state":"pass","reason":"Control proven: usefulapi.io, proven to the MCP Registry."},{"id":"track_record","state":"fail","reason":"Listed for 18 days; 30 are needed."},{"id":"real_customers","state":"not_applicable","reason":"It does not sell over x402."},{"id":"clean_scan","state":"pass","reason":"None of the patterns addrbook looks for (hidden instructions, invisible characters) appeared in the 17 tools this server showed it."}],"passed":2,"applicable":4,"contradicted":false,"computed_at":"2026-11-13T09:15:08.780165Z"},"identity":{"endpoint_domains":["usefulapi.io"],"proven_domains":[{"domain":"usefulapi.io","proven_by":"mcp_registry","serves_endpoint":true,"as_of":"2026-11-13T09:14:49.466057Z"}],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":{"endpoint_url":"https://waiverfile.usefulapi.io/mcp","tools":17,"high":0,"medium":0,"findings":[],"observed_at":"2026-10-26T22:37:21.162006Z","evidence_id":301712},"notice":"Not affiliated with addrbook — claim or request removal."}