mcpd: Turn your sandbox into an MCP server with just configuration

xwil · reddit · 2026-08-25

The author released mcpd, a tool that exposes sandbox environments as MCP (Model Context Protocol) servers using only configuration files, eliminating the need for code. It includes example configs mimicking popular coding harnesses. The author uses it to sync private repos to a sandbox, enabling Cloud Agents to debug via Slack and Sentry, effectively decoupling the agent loop from tool execution.

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