TL;DR
Octagon is a Finance MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent real-time investment research with market data, SEC filings, and company analytics. Install in 1 minute with mcpizy install octagon.
Octagon
Install verifiedFinance
Real-time investment research with market data, SEC filings, and company analytics.
Repo audit: 85/100 — solid, with minor gaps in docs or maintenance
Scored on licence, adoption, maintenance and documentation of OctagonAI/octagon-mcp-server. We show the grade whether it flatters the server or not.
last commit 45 days ago · 147 stars · MIT licence · 4 open issues
Read the full audit on CheckMCPInstall Octagon
mcpizy install octagonnpx -y octagon-mcpWorks with
More Finance MCPs
Financial Datasets
Stock market API built for AI agents. Historical prices, fundamentals, and financial statements.
Ramp
Interact with Ramp's Developer API for corporate spend analysis and expense management.
Adfin
All-in-one payment platform — invoicing, accounting reconciliations, and cash flow.
Norman Finance
AI-powered accounting and tax management. Bookkeeping automation.
Alternatives to Octagon
If Octagon doesn't fit your stack, these Finance MCP servers solve similar problems.
Frequently asked questions
What is the Octagon MCP server?
Octagon is listed as an Finance Model Context Protocol server whose documented purpose is to let an MCP-compatible agent real-time investment research with market data, SEC filings, and company analytics. Client support, permissions and authentication remain specific to the upstream project.
How do I install Octagon MCP with Claude Code?
The fastest way is the MCPizy CLI: run `mcpizy install octagon` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y octagon-mcp` and restarting Claude Code.
Does MCPizy charge to view or install Octagon MCP?
No. Reading this profile and copying its install guidance is free. Upstream software, API, account or usage costs are separate, and licence coverage should be checked from the linked source when available.
Does Octagon MCP work with Cursor and Windsurf?
The MCP standard is supported by those clients, but a specific server can still have client-specific setup or transport limits. Use the configuration shown on this page when present and verify the upstream instructions before installation.
What can I do with Octagon MCP?
Its documented purpose is to let an MCP-compatible agent real-time investment research with market data, SEC filings, and company analytics. The exact tools, permissions and write capabilities depend on the server version and configuration shown by the upstream project.
Compare before you commit
Put this server beside an alternative, or return to the full evidence directory.
Compare MCP serversBack to directory