Polygon.io
by massive-com · Web & Browser · mcp-server, api, ai
Provides complete access to Polygon.io's financial market data API with 35+ tools covering stocks, options, forex, and crypto including real-time trades, quotes, aggregates, market snapshots, ticker details, news, dividends, splits, and financial fundamentals for trading research and market analysis.
This MCP server provides complete access to Polygon.io's financial market data API through 35+ tools covering stocks, options, forex, and crypto data including real-time and historical trades, quotes, aggregates, market snapshots, ticker details, news, dividends, splits, and financial fundamentals. Built by Polygon.io using Python with the FastMCP framework and their official API client, it handles all major endpoints with automatic JSON parsing and comprehensive error handling, supporting multiple transport protocols including STDIO, SSE, and Streamable HTTP. The implementation is valuable for financial analysis, algorithmic trading research, market monitoring, and building AI assistants that need access to professional-grade market data including treasury yields, short interest, IPO information, and real-time currency conversion.
Source: https://github.com/massive-com/mcp_massive
Install
git clone https://github.com/massive-com/mcp_massiveTags: mcp-server, api, ai
⭐ 274 GitHub stars · Source: pulsemcp
About Web & Browser MCP servers and Claude skills
Web & Browser MCP servers extend what AI agents can do inside Claude Code, Cursor, Copilot, Codex, and Windsurf. The Skiln directory indexes 16,000+ such integrations across 22 categories.
Polygon.io is one of hundreds of Web & Browser entries indexed on Skiln. Browse the full Web & Browser category or the complete directory of Claude skills, MCP servers, agents, commands, and hooks.
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Frequently asked questions
How do I install Polygon.io?
Add the install command above to your Claude Code, Cursor, or Windsurf MCP configuration. Most servers register via npx, a local command, or a Docker image. Refer to the source repository for environment variables and credential requirements.
Which clients support Polygon.io?
Any MCP-compatible client works: Claude Desktop, Claude Code CLI, Cursor, Windsurf, Zed, and VS Code with the official MCP extension. OpenAI Codex and GitHub Copilot increasingly support MCP via adapter bridges.
Is Polygon.io free?
The server itself is typically open source. Any upstream service (API keys, paid tiers, hosted infrastructure) may have its own pricing. Check the source repository for details.