Many stdio MCP servers from one container, published over HTTPS with OAuth 2.1 for any MCP client
Connect Runs on your machine
claude mcp add mcp-hub -e CONFIG_PATH=<CONFIG_PATH> -e IDLE_TIMEOUT_MINUTES=<IDLE_TIMEOUT_MINUTES> -e TOOL_CACHE_PATH=<TOOL_CACHE_PATH> -e LOG_FILE=<LOG_FILE> -- npx -y @ni-c/[email protected]
{
"mcpServers": {
"mcp-hub": {
"command": "npx",
"args": [
"-y",
"@ni-c/[email protected]"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>",
"IDLE_TIMEOUT_MINUTES": "<IDLE_TIMEOUT_MINUTES>",
"TOOL_CACHE_PATH": "<TOOL_CACHE_PATH>",
"LOG_FILE": "<LOG_FILE>"
}
}
}
}
{
"mcpServers": {
"mcp-hub": {
"command": "npx",
"args": [
"-y",
"@ni-c/[email protected]"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>",
"IDLE_TIMEOUT_MINUTES": "<IDLE_TIMEOUT_MINUTES>",
"TOOL_CACHE_PATH": "<TOOL_CACHE_PATH>",
"LOG_FILE": "<LOG_FILE>"
}
}
}
}
{
"servers": {
"mcp-hub": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@ni-c/[email protected]"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>",
"IDLE_TIMEOUT_MINUTES": "<IDLE_TIMEOUT_MINUTES>",
"TOOL_CACHE_PATH": "<TOOL_CACHE_PATH>",
"LOG_FILE": "<LOG_FILE>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
CONFIG_PATHOptional | Path to the mcp.json listing the servers to expose, in Claude Code's mcpServers format (default mcp.json in the working directory) |
IDLE_TIMEOUT_MINUTESOptional | Minutes of inactivity before a server is put to sleep; 0 starts every server at launch and keeps it running (default 60) |
TOOL_CACHE_PATHOptional | Tool snapshots of sleeping servers (default .mcp-hub/tool-cache.json beside the config) |
LOG_FILEOptional | Mirror the hub's log lines into this file; stdout carries the protocol, so logging goes to stderr otherwise |
Details
| Package | @ni-c/[email protected] (NPM, stdio) |
| Package | ghcr.io/ni-c/mcp-hub:0.12.0 (OCI, streamable-http) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | io.github.ni-c/mcp-hub |
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