{"id":"992edf7d-bc1d-41cc-bb07-397625922c03","shortId":"znTwrq","kind":"mcp","title":"Retainful MCP by usefulapi","tagline":"List contacts and lists; create contacts, add them to lists and record events in Retainful.","description":"List contacts and lists; create contacts, add them to lists and record events in Retainful.","tags":["usefulapi","retainful"],"capabilities":["mcp","transport-streamable-http","remote-server"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://retainful.usefulapi.io/mcp","protocol":"mcp","transport":"streamable-http","auth":{"type":"mcp","details":{"transport":"streamable-http","remote_url":"https://retainful.usefulapi.io/mcp"}},"qualityScore":"0.450","qualityRationale":"deterministic score 0.45 from registry signals: · indexed on anthropic_mcp · remote streamable-http","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:mcp:v1","enrichmentVersion":1,"enrichedAt":"2026-11-08T08:32:03.045Z","embedding":null,"createdAt":"2026-11-02T17:31:49.709Z","updatedAt":"2026-11-08T08:32:03.045Z","lastSeenAt":"2026-11-08T08:32:03.045Z","tsv":"'add':11,26 'contact':6,10,21,25 'creat':9,24 'event':17,32 'list':5,8,14,20,23,29 'mcp':2 'record':16,31 'remote-server' 'retain':1,19,34 'transport-streamable-http' 'usefulapi':4","prices":[{"id":"650c1667-cd7a-4e91-96e7-1cdd92b20893","listingId":"992edf7d-bc1d-41cc-bb07-397625922c03","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mcp-free","isPrimary":true,"details":{"transport":"streamable-http","remote_url":"https://retainful.usefulapi.io/mcp"},"createdAt":"2026-11-02T17:31:49.709Z"}],"sources":[{"listingId":"992edf7d-bc1d-41cc-bb07-397625922c03","source":"anthropic_mcp","sourceId":"io.usefulapi/retainful:1.2.5","sourceUrl":"https://registry.modelcontextprotocol.io/v0/servers","isPrimary":true,"firstSeenAt":"2026-11-02T17:31:49.709Z","lastSeenAt":"2026-11-08T08:32:03.045Z"}],"details":{"listingId":"992edf7d-bc1d-41cc-bb07-397625922c03","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"source":"anthropic_mcp","version":"1.2.5","transport":"streamable-http","remote_url":"https://retainful.usefulapi.io/mcp","server_name":"io.usefulapi/retainful","server_title":"Retainful MCP by usefulapi"},"updatedAt":"2026-11-08T08:32:03.045Z"}}