What does mcp-one actually do?
It runs a single MCP server that embeds and manages multiple other MCP servers, exposing them all through one SSE connection.
MCP One
@MCPHubCloud
Basic information
About MCP One
A unified All-in-One entrance for mcpservers, which manages various types of mcpservers.
MCP One config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"mcp-one": {
"command": "docker",
"args": [
"run",
"-it",
"--rm",
"localhost/mcp-one:latest"
]
}
}
}MCP One tools
Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
Overview
What is mcp-one?
mcp-one is a unified all-in-one entrance for MCP servers that manages various types of rated MCP servers. It allows users to run a single server that aggregates multiple MCP tools and resources, then exposes them over SSE to compatible clients like Cherry Studio or Cursor.
How to use mcp-one?
Configure a YAML file listing the MCP servers you want to aggregate, then run ./mcp-one -c mcpone-config.yaml --baseurl 0.0.0.0:9090. Point your MCP client (e.g., Cherry Studio, Cursor) to http://localhost:9090/sse. Pre-built binaries and a Docker image are available; you can also build from source using make build or make dockerbuild.
Key features of mcp-one
- Single entry point for multiple MCP servers
- Supports adding custom MCP servers via YAML config
- Exposes combined server over SSE transport
- Runs as a standalone binary or Docker container
- Community-driven with PR and issue contributions welcome
Use cases of mcp-one
- Use one SSE endpoint instead of configuring many separate MCP servers
- Combine time, fetch, and other tools into one service for a client
- Host a single MCP gateway on a server for multiple users
- Rapidly prototype and test multiple MCP servers locally
Frequently asked questions
Which MCP servers are supported by default?
Currently `time-mcp` and `mcp-server-fetch` are included; you can add any MCP server in the `mcpserver-config.yaml` file.
How do I add a new MCP server to mcp-one?
Edit the YAML configuration file to list the new server’s command, arguments, and environment variables, similar to how you would configure it in a client.
Do I need any runtime besides the binary?
No, the compiled binary includes everything needed. If using Docker, only Docker is required.
How do I expose mcp-one to the internet?
Run it with `--baseurl 0.0.0.0:9090` (or any public address) and ensure the port is reachable. The SSE endpoint will be at `<host>:<port>/sse`.
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