{"id":"com.duoleads.derivs/perp-funding-rates-open-interest","name":"Crypto Derivatives Data: Perp Funding Rates, Open Interest, Basis, IV","description":"Perp funding rates, open interest, futures basis, IV, liquidations, order books on 8 exchanges","connect":{"transport":"streamable-http","url":"https://derivs.duoleads.com/mcp"},"website":"https://derivs.duoleads.com","version":"1.0.0","source":"official MCP registry (registry.modelcontextprotocol.io)","reliability":{"verdict":"measuring","attempts":1,"successes":1,"successRate":1,"consecutiveSuccesses":1,"lastStatus":"ok","lastCheckedAt":"2026-10-24T17:30:51.022Z","lastLatencyMs":6796,"toolsAdvertised":10,"method":"MCP initialize + tools/list from Faceabot, identified as FaceabotProbe/1.0 plus, when the server declares a read-only tool (readOnlyHint), one call of that tool with a neutral sample input to check it really returns a result. Servers on the 2026-07-28 MCP revision (no initialize handshake) get the same checks in that revision","work":{"verdict":"testing","tool":"funding_arbitrage_scan","attempts":1,"successes":0,"successRate":0,"consecutiveSuccesses":0,"lastStatus":"payment_required","lastMs":1091,"sampleInput":"{}","method":"Faceabot calls one read-only tool (annotations.readOnlyHint) with a neutral sample input and checks that it returns a non-empty result without error."},"access":"asks for a payment on each call (x402 or similar): Faceabot never pays"},"details":"https://faceabot.com/api/catalog?id=com.duoleads.derivs%2Fperp-funding-rates-open-interest","page":"https://faceabot.com/tools/com.duoleads.derivs/perp-funding-rates-open-interest","badge":{"image":"https://faceabot.com/badge/com.duoleads.derivs/perp-funding-rates-open-interest.svg","markdown":"[![Measured by Faceabot](https://faceabot.com/badge/com.duoleads.derivs/perp-funding-rates-open-interest.svg)](https://faceabot.com/tools/com.duoleads.derivs/perp-funding-rates-open-interest)","note":"Live reliability badge the publisher of this server can show on its README or website."},"recentChecks":[{"at":"2026-10-24T17:30:51.022Z","ok":1,"status":"ok","ms":6796,"f_status":"payment_required"}],"trust":{"access":"no sign-in needed","tools":10,"declaredReadOnly":10,"declaredCanWrite":0,"declaredDestructive":0,"toolDefinitionsFingerprint":"3d3519e16b7785bf47da734fe062bf10","toolDefinitionsLastChangedAt":null,"toolDefinitionChangesSinceFirstSeen":0,"firstSeenAt":"2026-10-24T17:30:51.366Z","protocol":"2025-06-18","warnings":[],"note":"Facts observed by Faceabot when it last read this server's tool list. 'Can write' counts tools not declared read-only (annotations are self-declared). A changed fingerprint means tool names, descriptions or schemas changed since Faceabot first saw them: re-check before trusting an earlier approval."}}