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PairBook MCP
MCP server and CLI for PairBook financial market data covering 4,700+ US stocks and ETFs. It gives agents no-key access to correlations, ETF holdings overlap, beta and volatility through a free static JSON API refreshed after the US market close. Public GitHub repository created August 28, 2026.
MCP unverified
Integration
| Transport | stdio |
| Auth | none |
| Endpoint | npx -y pairbook-mcp |
| Install | npx -y pairbook-mcp |
Use Cases
| 01 | Compare two stocks or ETFs for return correlation, beta and volatility |
| 02 | Check ETF portfolio overlap before an assistant suggests diversification ideas |
| 03 | Use refreshed static financial data in research workflows without managing an API key |
Tags
stocks etfs finance correlation volatility holdings-overlap market-data no-key
Machine-readable: /api/servers.json
· JSON-LD schema embedded in <head>