Overview
Hosted MCP server for SEC 13F filings, U.S. Congress stock trades, and insider buying. Ask by plain name. No install, no API key.
What is StockSlash?
StockSlash is a hosted MCP server that gives your AI access to institutional and political stock activity:
- SEC 13F filings from around 80 super investors (hedge funds, asset managers, family offices)
- U.S. Congress stock trades disclosed under the STOCK Act
- Corporate insider buying from SEC Form 4
Ask about any fund, stock, or member of Congress by plain name. No CIK codes or ticker lookups needed.
How to use StockSlash?
Endpoint: https://stockslash.com/mcp Transport: Streamable HTTP. Authentication: none (open, read only). Rate limit: 200 requests per 15 minutes per IP.
It runs remotely, so there is nothing to install and no API key to manage.
- Claude (web and desktop): Settings, then Connectors, then Add custom connector, and paste the endpoint.
- Claude Code: claude mcp add --transport http stockslash https://stockslash.com/mcp
- Cursor: add an http server with the endpoint URL.
- ChatGPT (Developer Mode): create an app, set the MCP Server URL to the endpoint, authentication None.
- Codex CLI: codex mcp add stockslash --url https://stockslash.com/mcp
Key features
- 23 tools across super investors, stocks, Congress, insiders, and market-wide filings.
- One-call bundles that summarize a fund or stock in a single request: analyze_investor, analyze_stock, compare_investors, get_insider_summary.
- Plain-name input: pass Buffett, Apple, or Pelosi instead of codes.
- Three smart-money signals in one place: 13F holdings, congressional trades, and insider buying.
- Open and read only: no install, no API key.
- Built on public SEC EDGAR and STOCK Act filings, with the quarter and 45-day lag always clear.
What you can query
- Investors: analyze_investor, get_super_investors, compare_investors
- Stocks: analyze_stock, get_stock_holders, get_ownership_statistics
- Congress: get_congress_trades, get_congress_consensus
- Insiders: get_insider_summary, get_top_insider_stocks
- Market: get_filings_buy_status, get_latest_filings_updates
Use cases
- Research what well-known investors are buying and selling each quarter.
- Track Congress stock trades by member or by ticker.
- Check insider buying sentiment alongside your other analysis.
- Find consensus moves, such as stocks bought by many funds or several members of Congress.
- Power AI assistants that answer stock-ownership questions with structured, citable data.
FAQ
Which data sources does StockSlash use? SEC EDGAR 13F-HR filings, SEC Form 4 insider trades, and public congressional STOCK Act disclosures.
Do I need an API key? No. The server is open and read only, rate limited to 200 requests per 15 minutes per IP.
How current is the data? 13F filings are lagged up to 45 days from quarter end, so holdings reflect the reported quarter, not today. Insider and congressional filings appear after their own disclosure windows.
Which clients work with StockSlash? Any client that runs the MCP protocol over Streamable HTTP: Claude, Claude Code, Cursor, ChatGPT (Developer Mode), and Codex CLI.
Is StockSlash investment advice? No. It is a data and analysis tool. See https://stockslash.com/imprint.
Server Config
{
"mcpServers": {
"stockslash": {
"type": "http",
"url": "https://stockslash.com/mcp"
}
}
}