Foxxy Bridge

MCP Foxxy Bridge

Overview

MCP Foxxy Bridge is a one-to-many proxy for the Model Context Protocol (MCP). It lets you aggregate and route requests to multiple MCP servers through a single endpoint, so you can:

Centralize configuration for all your MCP servers
Expose all tools, resources, and prompts from connected servers
Route requests transparently to the right backend
Use a single MCP endpoint in your AI tools (Claude Desktop, VS Code, etc.)

🚀 Quickstart

See the Installation Guide for full details.

1. Choose one of the following installation methods

A. Install via uv (Recommended):

uv tool install mcp-foxxy-bridge

B. Install latest from GitHub:

uv tool install git+https://github.com/billyjbryant/mcp-foxxy-bridge

C. Run with Docker (from GHCR):

docker run --rm -p 8080:8080 ghcr.io/billyjbryant/mcp-foxxy-bridge:latest --bridge-config /app/config.json

2. Run the Bridge

With config file:

mcp-foxxy-bridge --bridge-config config.json

Or with named servers:

mcp-foxxy-bridge --port 8080 \
  --named-server fetch 'uvx mcp-server-fetch' \
  --named-server github 'npx -y @modelcontextprotocol/server-github' \
  --named-server filesystem 'npx -y @modelcontextprotocol/server-filesystem'

See Configuration Guide for config file examples.

3. Connect Your AI Tool

Point your MCP-compatible client to:

http://localhost:8080/sse

See API Reference for integration details.

📚 Documentation

🛠️ Development

🤝 Contributing & Support

🔒 Security

MCP Foxxy Bridge follows security best practices:

Network Security

Default binding: Bridge binds to 127.0.0.1:8080 (localhost-only) by default
MCP server isolation: Individual MCP servers communicate via local stdio pipes, never network ports
Configurable access: Host and port settings can be configured via config file or CLI arguments

Configuration Priority

Command-line arguments (--host, --port) - highest priority
Configuration file bridge settings (bridge.host, bridge.port)
Secure defaults (127.0.0.1:8080) - lowest priority

Security Recommendations

Keep the default 127.0.0.1 binding unless external access is required
If external access is needed, use proper firewall rules and authentication
Regularly update MCP server dependencies
Monitor server logs for unusual activity

⚖️ License

This project is licensed under the GNU Affero General Public License v3.0 or later (AGPLv3+). See the LICENSE file for details.

This server cannot be installed

security - not tested

license - not found

quality - not tested

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

MCP Foxxy Bridge is a one-to-many proxy for the Model Context Protocol (MCP). It lets you aggregate and route requests to multiple MCP servers through a single endpoint, so you can centralize configuration for all your MCP servers.

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