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CyrilPeponnet edited this page May 7, 2025 · 24 revisions

Lightweight Security Layer for MCP Servers

Minibridge sits transparently between your Agents and your MCP servers, adding essential security controls—such as SBOM generation and Rego policy enforcement—without altering the core MCP protocol. Each section below stands on its own, allowing you to pick and choose which features to adopt first.

Minibridge supports the following transports:

Frontend (from client):

  • stdio for process to process communication
  • streamable http for over the network communication (replaces the http/sse in newer protocol versions)
  • http/sse for backward compatibility

Backend (to server):

  • stdio for process to process communication
  • http/sse for backward compatibility

Note

Frontend and Backend communicate over a WebSocket. Any client that supports WebSockets can connect directly to the Backend without using Frontend as a relay.

Learn more

Check the sidebar menu to continue learning about Minibridge.

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