mcp-proxy 0.3.1

Standalone MCP proxy -- config-driven reverse proxy with auth, rate limiting, and observability
Documentation 
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# WebSocket backend example
# Connect to a WebSocket-based MCP server alongside stdio and HTTP backends.

[proxy]
name = "ws-proxy"
[proxy.listen]
host = "0.0.0.0"
port = 8080

# Local stdio backend
[[backends]]
name = "files"
transport = "stdio"
command = "npx"
args = ["-y", "@modelcontextprotocol/server-filesystem", "/tmp"]

# Remote HTTP backend
[[backends]]
name = "api"
transport = "http"
url = "http://api-server:8080"

# WebSocket backend (ws:// or wss://)
[[backends]]
name = "realtime"
transport = "websocket"
url = "wss://mcp.example.com/ws"
bearer_token = "${WS_TOKEN}"

[backends.timeout]
seconds = 60