DODaniel Oliveirainequibles.hashnode.dev·4d ago · 7 min readDiff two 13F filings by CUSIP (and check an AI's "what did Berkshire buy?" answer)A common question to put to an AI assistant is "what did this fund buy last quarter?", and the answer comes from Form 13F-HR. I build Equibles, which has an MCP server that answers it. In this post I 00
DODaniel Oliveirainequibles.hashnode.dev·6d ago · 3 min readHow to verify an AI earnings-call summaryAn earnings-call summary can sound convincing while blending reported results, a forecast and an analyst's opinion into one sentence. A useful check starts with the evidence behind each claim. I work 00
DODaniel Oliveirainequibles.hashnode.dev·Oct 5 · 5 min readHow to verify a financial MCP answer against an SEC filingA financial research assistant should leave you with enough evidence to check its answer. For a question about a buyback, that means identifying the filing, finding the relevant passage, reading the s00
DODaniel Oliveirainequibles.hashnode.dev·Aug 27 · 8 min readBest MCP server for stock market data in 2026: I scored 8 on filings, congress trades and live quotesEvery "best financial data API" list ranks price feeds, and price feeds answer almost none of the questions a research agent actually gets asked. "Did anyone in Congress trade this before the guidance00
