Give your AI deep fundamentals on US public companies — metrics, segments, peers. Free.
Every US public company, sourced from SEC filings — now available to your AI assistant. OpenCapital is a hosted Model Context Protocol (MCP) server that gives Claude, ChatGPT, Cursor, Codex, and any other MCP-capable client read-only access to what every US public company actually reports — fundamentals, segment breakdowns, peer comparisons, and earnings for thousands of US-listed equities…
Verification confirms publisher identity (repo ownership), not code safety. The security scan covers known CVEs and suspicious install scripts — it cannot prove the absence of malicious code.
Every US public company, sourced from SEC filings — now available to your AI assistant. OpenCapital is a hosted Model Context Protocol (MCP) server that gives Claude, ChatGPT, Cursor, Codex, and any other MCP-capable client read-only access to what every US public company actually reports — fundamentals, segment breakdowns, peer comparisons, and earnings for thousands of US-listed equities (common shares and ADRs), all derived directly from SEC filings. You don't run anything. The server is…