{"uid":"cap_LHkoQ-Tf1maTPmq7oyzFD","slug":"mycelia-signal-breadth-index-msbi-equity-breadth-composite-98ce50c6","name":"Mycelia Signal Breadth Index (MSBI) — Equity Breadth Composite","description":"MSBI — Mycelia Signal Breadth Index. Sector participation (% above 20DMA), RSP/SPY breadth momentum, SPY price momentum. 0-100 composite. 300s cache. — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/breadth/equity","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IPmDHG91pnYD1Wq27fyki","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a 0-100 composite equity market breadth score combining sector participation above 20-day moving averages, RSP/SPY breadth momentum, and SPY price momentum, with Ed25519-signed attestation.","exampleAgentPrompt":"What's the current equity market breadth score? I want to know if sectors are broadly participating above their 20-day moving averages and whether RSP/SPY momentum confirms the trend — give me the MSBI composite.","exampleUseCases":null,"resultDescription":"A 0-100 composite breadth index (MSBI) comprising: sector participation rate (% of sectors above 20DMA), RSP/SPY breadth momentum reading, and SPY price momentum — all aggregated into a single score and accompanied by an Ed25519 cryptographic signed attestation for verifiability. Response is cached for 300 seconds.","failureModes":["Payment not included or invalid x402 payment header — returns 402 Payment Required","Upstream market data unavailable — may return 503 or stale cached data","Attestation signing failure — may return incomplete or unsigned response","Cache miss during high-load periods — slightly increased latency"],"whenToPreferThis":"Use this endpoint when you need a single, cryptographically attested composite score for overall equity market health, particularly breadth across sectors relative to their 20-day moving averages. Prefer this over raw price feeds when you want a normalized 0-100 signal suitable for risk-on/risk-off decision logic, or when you need a verifiable (Ed25519-signed) breadth measurement for downstream audit trails.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:07:06.951Z","isFirstParty":false}