# OpenBB

Connect-once financial data layer for Python, Excel, REST and MCP. OpenBB is free, with no paid plan attached, at github.com.

## Facts

- **Pricing tier:** Free
- **Works on:** CLI, Self-hosted, API, Web
- **Works in browser:** Yes

## Capabilities

- Connect-once financial data layer for Python, Excel, REST and MCP
- Exposes data to AI agents and copilots through MCP servers
- Install free with pip; Apache 2.0
- OpenBB Workspace UI available separately

## FAQ

### What is OpenBB?

OpenBB is listed under Finance & Accounting AI, in the Data Analysis & Business category on Flocci AI Tools. Connect-once financial data layer for Python, Excel, REST and MCP. It is free, with no paid plan attached, and it lives at github.com.

### Is OpenBB free?

OpenBB is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

### Can I use OpenBB in a browser, or is there an app?

OpenBB works in a normal browser tab with no install. It is available on the command line, self-hosting, an API and the web.

### What can OpenBB do?

OpenBB does 4 things the catalog singles out: Connect-once financial data layer for python, excel, rest and mcp; exposes data to ai agents and copilots through mcp servers; install free with pip; apache 2.0; openbb workspace ui available separately.

### What is the best free alternative to OpenBB?

FinGPT is the closest free alternative: it sits in the same Finance & Accounting AI sub-category and is free. TradingAgents and Ramp AI also start free. The full list is on the alternatives page.

## Related

- [OpenBB alternatives](https://aitools.flocci.in/alternatives/openbb)
- [Finance & Accounting AI](https://aitools.flocci.in/category/data-analysis-business/finance-accounting-ai)
- [Best free AI finance and accounting tools](https://aitools.flocci.in/best/best-finance-accounting-ai)
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Source: Flocci AI Tools — https://aitools.flocci.in/tool/openbb

Facts last verified: October 2026