mcp_https_flutter 1.0.0

A Model Context Protocol (MCP) server implementation in Dart supporting HTTPS and SSE transport.

mcp-https-flutter

A Model Context Protocol (MCP) server implemented in Dart, supporting Streamable HTTP transport.

Features

• HTTP Transport: Accessible via HTTP (SSE for downstream, POST for upstream).
• Native Performance: Compiles to a native executable for fast startup and low memory footprint.
• Docker Ready: Includes a Dockerfile for easy containerization and deployment.
• Cloud Run Support: Configuration provided for Google Cloud Run deployment.

Usage

Command Line Arguments

Argument	Abbreviation	Default	Description
--port	-p	8080	Port for HTTP transport
--host		0.0.0.0	Host for HTTP transport
--path		/mcp	Path for HTTP transport

Streamable HTTP Transport

Run the server as an HTTP endpoint:

dart run bin/mcp_https_flutter.dart --port 8080 --host 0.0.0.0 --path /mcp

Tools

The server provides the following tools:

greet

Takes a string parameter and returns it.

• Parameters:
  • param (string, required): The parameter to return.

Key Technologies

• Language: Dart (SDK ^3.10.4)
• Protocol: Model Context Protocol (MCP)
• SDK: mcp_dart
• Dependency Management: pub

Prerequisites

• Dart SDK (version 3.10.4 or later)

Setup

1. Get dependencies:

   dart pub get
   

Running the Server

For local development and testing:

dart run bin/mcp_https_flutter.dart

Docker & Deployment

Build Docker Image

docker build -t mcp-https-flutter .

Run with Docker

docker run -p 8080:8080 mcp-https-flutter

Google Cloud Run

The project includes cloudbuild.yaml for automated deployment to Google Cloud Run. Use the following command to trigger a build and deploy:

gcloud builds submit --config cloudbuild.yaml --substitutions=_SERVICE_NAME=mcp-https-flutter