{"uid":"cap_w_lJxzdujeQYrb8V3UufF","slug":"osf-broker-investment-adviser-check-4d94502f","name":"OSF Broker/Investment Adviser Check","description":"OSF is a live marketplace of provenance stamped public domain government and scientific data, built for autonomous agents that pay per record over x402 micropayments on Base. A paid MCP server in the official MCP Registry, discoverable on the Coinbase CDP Bazaar.","url":"https://api.osf-master-server.com/x402/broker/check/%7Bquery%7D?utm_source=zero.xyz","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","required":["query"],"properties":{"query":{"type":"string","description":"Broker, investment adviser, or firm name to check. E.g. 'Bernard Madoff' or 'Citadel Advisors'."}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"result":"MATCHES_FOUND","matches":[{"kind":"individual","name":"BERNARD LAWRENCE MADOFF","crd_number":"316687","provenance_url":"https://brokercheck.finra.org/individual/summary/316687","has_disclosures":true,"permanently_barred":true}],"match_count":1,"disclosure_flag_present":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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_fDMJ98pKEEpBkUqUeXoeM","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":"Searches FINRA BrokerCheck by name to retrieve registration status, CRD number, disclosure flags, and permanent bar status for brokers and investment advisers","exampleAgentPrompt":"Can you check FINRA BrokerCheck for 'Raymond James Financial Services' and tell me if they have any disclosures or disciplinary actions on record?","exampleUseCases":[{"title":"Vetting a new financial adviser","prompt":"Before I move my retirement savings, can you check FINRA BrokerCheck for 'John Anthony Sullivan' and tell me if he's registered, has any disclosures, or has ever been barred from the industry?"},{"title":"Due diligence on a hedge fund broker","prompt":"I'm doing due diligence on Citadel Advisors — can you pull their FINRA registration info and flag any regulatory disclosures or enforcement actions?"},{"title":"Fraud investigation background check","prompt":"We're researching a potential Ponzi scheme — can you look up 'Bernard Madoff' on FINRA BrokerCheck and confirm if he's permanently barred and how many disclosures are on his record?"}],"resultDescription":"A JSON object with a result status (e.g. MATCHES_FOUND), an array of matching individuals or firms each containing their full name, CRD number, entity kind, a provenance URL linking back to the official FINRA BrokerCheck record, a boolean for whether disclosures exist, and a boolean for permanent bar status. Also includes a total match count and a top-level disclosure flag.","failureModes":["No matches found for an obscure or misspelled name — returns empty matches array","Name is too generic and returns too many matches requiring disambiguation","FINRA BrokerCheck data may lag real-time regulatory actions by days","Payment failure or insufficient USDC balance blocks the request","Firm names vs individual names may return different result shapes"],"whenToPreferThis":"Use this endpoint when you need authoritative, provenance-stamped FINRA BrokerCheck data about a specific broker, investment adviser, or firm — especially for compliance workflows, fraud detection, or due diligence where a verifiable source URL matters. Prefer this over general web search when you need structured fields like CRD number, disclosure flags, and bar status in a single machine-readable response. The $0.05 per-call micropayment model makes it cost-effective for single lookups within autonomous agent pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T06:43:51.273Z","isFirstParty":false,"canonicalSlug":"osf-broker-investment-adviser-check-4d94502f"}