OctagonAI/octagon-mcp-server

Overview

OctagonAI/octagon-mcp-server is a free, open-source MCP server that provides financial data and analysis capabilities to Claude Desktop and other MCP clients. It extracts information from public filings, earnings transcripts, financial metrics, stock market data, private market transactions, and deep web research.

Best for

Best for
Developers building financial analysis workflows inside MCP-compatible assistants

Use cases

• Analyze earnings transcripts and financial filings within Claude Desktop
• Retrieve stock market data and private market transaction details
• Perform deep web-based financial research through MCP clients

How to use

Install

npx -v

Tools exposed

• octagon-prediction-markets-agent
• prediction_markets_history
• octagon-docs-search

Tested with

Claude Desktop, Cursor, Continue

Notes

OctagonAI/octagon-mcp-server is a free, open-source MCP server that provides financial data and analysis capabilities to Claude Desktop and other MCP clients. It extracts information from public filings, earnings transcripts, financial metrics, stock market data, private market transactions, and deep web research.

129 stars on GitHub. Last updated 2026-05-06. Licensed MIT.

Use cases

• Analyze earnings transcripts and financial filings within Claude Desktop
• Retrieve stock market data and private market transaction details
• Perform deep web-based financial research through MCP clients

Pros

• Free and open source with TypeScript codebase
• Integrates directly with Claude Desktop and other MCP clients
• Provides access to a broad range of financial and market data

Cons

• Requires an MCP compatible client to use
• Setup may involve configuring MCP server settings
• Data sources might require separate API keys or subscriptions (not specified)

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.