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polygon-io/mcp_polygon)
MITAPI key required) 🐍 ☁️ - An MCP server that provides access to financial market data APIs for stocks, indices, forex, options, and more.
PythonAPIs
Install
npx -y @modelcontextprotocol/inspectorRequired environment variables
MASSIVE_API_KEYSet in your MCP configPOLYGON_API_KEYSet in your MCP configclaude_desktop_config.json
claude_desktop_config.json
{
"mcpServers": {
"polygon-io-mcp-polygon": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/inspector"
],
"env": {
"MASSIVE_API_KEY": "<YOUR_MASSIVE_API_KEY>",
"POLYGON_API_KEY": "<YOUR_POLYGON_API_KEY>"
}
}
}
}Add this to your Claude Desktop config file. Find it at ~/Library/Application Support/Claude/claude_desktop_config.json on macOS.
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