Overview
OptimistFi MCP server
Research on US stocks and perpetual futures for AI assistants, over the Model Context Protocol. Every answer carries the stock's investment case and the primary source behind it. Public, read-only, no key.
URL
https://mcp.optimistfi.com/mcpUse it with your AI assistantClaude, ChatGPT, Perplexity, Cursor, VS Code and any MCP client
Add to ClaudeListed in Claude's connectors directory, for claude.ai, Claude Desktop, the mobile apps and Claude Code.
- Tools
- 17 all read-only
- Authentication
- None no key, no sign-up
- Transport
- HTTP Streamable HTTP, MCP 2025-06-18
- Server
- 1.30.0 OptimistFi
What it answers
The thesis · 6 toolsWhether a stock's case holds, what a reported figure does to it, what changed since a date, and the dated record of past calls. answer, get_thesis, get_thesis_impact, what_changed, get_track_record, compare.The evidence · 6 toolsFilings and 8-K events, the calendar ahead, dividends and buybacks, insider and congressional trades, each with its SEC or House record. resolve_entity, get_filings, get_calendar, get_capital_returns, get_insider_trades, get_congress_trades.Perpetual futures · 5 toolsPerps on crypto, stocks, indices, commodities and currencies across 36 venues: price and premium, funding, open interest, liquidations, whale trades, history, the desk's stories and prop firms' rules. get_perps, get_perps_market, get_perps_history, get_perps_desk, get_prop_firms.
Start here
QuickstartList the tools and make a first call in a minute, from the command line or an MCP SDK.Connect a clientClaude, Claude Code, ChatGPT, Perplexity, Cursor, VS Code and any other MCP client.Reading a responseThe envelope every result shares: the company, the dates, the confidence and the source.Errors and limitsWhat an error says, whether the server looked, when to retry, and the rate limit.