StockSharp

StockSharp, also called S#, is a trading platform and C# API for manual and automated trading, including Terminal, Designer, Hydra and strategy backtesting. The main GitHub repository publishes the source under StockSharp’s own licence, which is source-available rather than an open-source licence.

Official website

Recorded facts

Type: retail platform, charting, backtesting, algo framework, library
Automation languages: C#, F#, Python
Systems: Windows, macOS, Linux
Open source: Source-available Repository
Pricing model: The vendor describes the platform and the API as free. The GitHub LICENSE says the repository is not under a general-purpose open-source licence and that use is allowed only under the StockSharp EULA.

Automation and MCP

StockSharp Designer and the API support strategies in C#, F# and Python, including backtesting and live trading through connectors.

MCP / AI agent support: Official

stocksharp.com describes an MCP server for Terminal, Designer and Hydra. The StockSharp GitHub organisation publishes Odysseus, a local MCP server for strategy generation, compilation, backtesting and paper trading. That repository is the vendor’s, not a third-party community server.

https://github.com/StockSharp/Odysseus

Notes

The master LICENSE file says the repository is not under a general-purpose open-source licence and that use is permitted only under the StockSharp EULA. Source is public, so this is recorded as source-available. The GitHub organisation description says “open source”; the licence file is the record used here. WPF desktop interfaces are documented as Windows-only. The API is documented for Windows, Linux and macOS.

Sources and last check

Last checked 19 October 2026.