Trading MCP Built with Claude is Now Open Source
Paatabugi · reddit · 2026-07-13
A QA engineer who rarely writes code was inspired by community MCP projects and built a Trading MCP using Claude Code, now open-sourced under the Apache-2.0 license.
This MCP connects to the company's trading server (Your Bourse), enabling Claude to:
- Query accounts
- Fetch quotes
- Send real orders
Given the real-money trading aspect, the author implemented numerous safety boundaries:
- All critical actions follow a "generate proposal, then human confirm" workflow
- Order placement requires explicit confirmation to prevent mistakes
- Failed orders do not auto-retry, preventing duplicate executions due to network jitter
- The design constantly asks, "What's the worst that can happen if this goes wrong?"
The author emphasizes that while AI writes code quickly, human-defined boundaries are what truly matter. The post includes a GitHub repo link, inviting the community to review the architecture.
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