MCP proxy that aggregates multiple MCP resource servers and serves them through a single interface.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add proxy --env MCP_CONFIG_PATH='<MCP_CONFIG_PATH>' --env KEEP_SERVER_OPEN='<KEEP_SERVER_OPEN>' -- npx mcp-proxy-server~/.codex/config.toml
[mcp_servers.proxy]
command = "npx"
args = ["mcp-proxy-server"]
env = { MCP_CONFIG_PATH = "<MCP_CONFIG_PATH>", KEEP_SERVER_OPEN = "<KEEP_SERVER_OPEN>" }
# codex mcp add proxy --env MCP_CONFIG_PATH='<MCP_CONFIG_PATH>' --env KEEP_SERVER_OPEN='<KEEP_SERVER_OPEN>' -- npx mcp-proxy-server~/.cursor/mcp.json
{
"mcpServers": {
"proxy": {
"command": "npx",
"args": [
"mcp-proxy-server"
],
"env": {
"MCP_CONFIG_PATH": "<MCP_CONFIG_PATH>",
"KEEP_SERVER_OPEN": "<KEEP_SERVER_OPEN>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"proxy": {
"type": "stdio",
"command": "npx",
"args": [
"mcp-proxy-server"
],
"env": {
"MCP_CONFIG_PATH": "<MCP_CONFIG_PATH>",
"KEEP_SERVER_OPEN": "<KEEP_SERVER_OPEN>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"proxy": {
"command": "npx",
"args": [
"mcp-proxy-server"
],
"env": {
"MCP_CONFIG_PATH": "<MCP_CONFIG_PATH>",
"KEEP_SERVER_OPEN": "<KEEP_SERVER_OPEN>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"proxy": {
"command": "npx",
"args": [
"mcp-proxy-server"
],
"env": {
"MCP_CONFIG_PATH": "<MCP_CONFIG_PATH>",
"KEEP_SERVER_OPEN": "<KEEP_SERVER_OPEN>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"proxy": {
"command": "npx",
"args": [
"mcp-proxy-server"
],
"env": {
"MCP_CONFIG_PATH": "<MCP_CONFIG_PATH>",
"KEEP_SERVER_OPEN": "<KEEP_SERVER_OPEN>"
}
}
}
}Environment variables
MCP_CONFIG_PATHKEEP_SERVER_OPEN
Replace the placeholders with your own credentials and keep them out of version control.