Do I need an API key to use this server?
Yes, you must sign up for a free Octagon account and generate an API key, then set it as the `OCTAGON_API_KEY` environment variable.
@OctagonAI
Basic information
An MCP server for public & prediction markets research. Ask natural-language questions and get structured, source-backed answers across SEC filings, earnings transcripts, company financials, stock & crypto market data, and prediction markets news & research. Built for investors,
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"octagon": {
"command": "env",
"args": [
"OCTAGON_API_KEY=your-octagon-api-key",
"npx",
"-y",
"octagon-mcp"
]
}
}
}source synthesis for investment research questions
agent` for updated research reports on each prediction markets
search`, `octagon-docs-read`, `octagon-docs-list`, and `octagon-docs-refresh`
Octagon: MCP for Market Data integrates with the Octagon Market Intelligence API to provide AI-powered financial research within MCP clients. It enables analysis of public filings, earnings calls, financial metrics, stocks and crypto data, stock news, and prediction markets research.
Sign up for a free Octagon account to obtain an API key. Configure the server in Claude Desktop or Cursor by setting the OCTAGON_API_KEY environment variable and running npx -y octagon-mcp. Use the provided tools to perform research via natural language prompts.
octagon-agent for broad market intelligence analysisoctagon-deep-research-agent for comprehensive multi-source researchYes, you must sign up for a free Octagon account and generate an API key, then set it as the `OCTAGON_API_KEY` environment variable.
Yes, documentation tools such as `octagon-docs-search`, `octagon-docs-read`, `octagon-docs-list`, and `octagon-docs-refresh` work even before `OCTAGON_API_KEY` is configured.
`octagon-agent` is stateful. It uses a stored conversation per MCP session; you can optionally pass a `conversation` parameter to continue a specific thread. Pass `newConversation: true` to start a fresh thread.
Node.js and npm (which includes `npx`) must be installed. The server runs via `npx -y octagon-mcp`.
All market data is retrieved from the Octagon Market Intelligence API. The server does not store or cache data beyond the session.

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