MCP Local Router

@kaichen

リポジトリ

基本情報

カテゴリ

その他

トランスポート

stdio

作者

kaichen

MCP Local Router について

An MCP (Model Context Protocol) local router that serves as an aggregation proxy for MCP servers.

MCP Local Router の設定

標準の設定はありません

このサーバーの README には解析可能な MCP 設定ブロックが含まれていません。インストール手順はリポジトリをご確認ください。

リポジトリ

MCP Local Router のツール

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ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is MCP Local Router?

MCP Local Router is an aggregation proxy for MCP (Model Context Protocol) servers. It connects to multiple upstream MCP servers and combines their functionalities into a single interface for downstream clients.

How to use MCP Local Router?

Run the router with a JSON configuration file and specify the transport: cargo run -- --config mcp-config.json --transport stdio or --transport sse. The configuration file defines each upstream server with command, args, and env fields. For SSE transport, the router exposes aggregated (/sse) and per‑upstream (/sse/{serverName}) endpoints.

Key features of MCP Local Router

Supports configuration file specified via command‑line argument.
Configures multiple upstream MCP servers from one JSON file.
Supports stdio transport with optional environment variable injection.
Supports SSE transport with aggregated /sse and per‑upstream /sse/{serverName} endpoints.
All SSE connections share a single POST /message?sessionId=… channel.

Use cases of MCP Local Router

Aggregate several MCP servers (e.g., filesystem, database) into a single service.
Route a client to a specific upstream server using the per‑upstream SSE path.
Test or develop multiple MCP servers together without separate client wiring.
Inject different environment variables per upstream server for credential isolation.

よくある質問

What does MCP Local Router do?

It acts as a local proxy that aggregates multiple upstream MCP servers, presenting their combined tools and resources to a client through a single transport endpoint.

What transports are supported?

It supports stdio transport and SSE (Server‑Sent Events) transport. The SSE mode provides both an aggregated stream and individual per‑server streams.

What are the runtime dependencies?

The project is built with Rust 2021 Edition, uses the tokio async runtime, and the [rmcp](https://github.com/modelcontextprotocol/rust-mcp) library for MCP protocol handling.

How is the configuration file structured?

The configuration file is JSON with a top‑level `"mcpServers"` object. Each key is the server name, and the value contains `command` (the executable), `args` (command arguments array), and `env` (environment variable map).

How do I build the router?

Clone the repository and run `cargo build --release`. The binary will be placed in `target/release/`.

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