{"id":"9c245c23-ddd2-4dc3-994c-9a55a385974c","shortId":"S9K3Qh","kind":"mcp","title":"FlexYield — blockchain RPC gateway","tagline":"RPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.","description":"RPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.","tags":["flexyield","gateway"],"capabilities":["mcp","transport-streamable-http","remote-server"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://flexyield.io/mcp","protocol":"mcp","transport":"streamable-http","auth":{"type":"mcp","details":{"transport":"streamable-http","remote_url":"https://flexyield.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":"2026-09-15T01:23:01.461Z","embedding":null,"createdAt":"2026-09-14T18:22:07.366Z","updatedAt":"2026-09-15T01:23:01.461Z","lastSeenAt":"2026-09-15T01:23:01.461Z","tsv":"'agent':8,25 'blockchain':2 'call':19,36 'failov':12,29 'flexyield':1 'gateway':4,6,23 'key':14,31 'mainnet':10,27 'mcp' 'measur':11,28 'pay':17,34 'per':18,35 'remote-server' 'rpc':3,5,22 'signup':16,33 'six':9,26 'transport-streamable-http' 'usdc':21,38 'without':15,32","prices":[{"id":"c2298150-5d8c-4388-88fa-228614142a9d","listingId":"9c245c23-ddd2-4dc3-994c-9a55a385974c","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mcp-free","isPrimary":true,"details":{"transport":"streamable-http","remote_url":"https://flexyield.io/mcp"},"createdAt":"2026-09-14T18:22:07.366Z"}],"sources":[{"listingId":"9c245c23-ddd2-4dc3-994c-9a55a385974c","source":"anthropic_mcp","sourceId":"io.flexyield/gateway:1.3.1","sourceUrl":"https://registry.modelcontextprotocol.io/v0/servers","isPrimary":true,"firstSeenAt":"2026-09-14T18:22:07.366Z","lastSeenAt":"2026-09-15T01:23:01.461Z"}],"details":{"listingId":"9c245c23-ddd2-4dc3-994c-9a55a385974c","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"source":"anthropic_mcp","version":"1.3.1","transport":"streamable-http","remote_url":"https://flexyield.io/mcp","server_name":"io.flexyield/gateway","server_title":"FlexYield — blockchain RPC gateway"},"updatedAt":"2026-09-15T01:23:01.461Z"}}