Dart MCP Server

An MCP server that exposes Dart SDK commands for AI-powered development.

GitHub

Dart MCP Server

npm version License: MIT smithery badge

A distributable Model Context Protocol (MCP) server that exposes Dart SDK commands for AI-powered development. This server bridges the gap between AI coding assistants and Dart/Flutter development workflows by implementing the Model Context Protocol (MCP).

Dart Server MCP server

Features

This MCP server provides seamless access to the following Dart SDK commands:

CommandDescription
dart-analyzeAnalyze Dart code for errors, warnings, and lints
dart-compileCompile Dart to various formats (exe, AOT/JIT snapshots, JavaScript)
dart-createCreate new Dart projects from templates
dart-docGenerate API documentation for Dart projects
dart-fixApply automated fixes to Dart source code
dart-formatFormat Dart source code according to style guidelines
dart-infoShow diagnostic information about the installed Dart tooling
dart-packageWork with packages (get, add, upgrade, outdated, etc.)
dart-runRun Dart programs with support for passing arguments
dart-testRun tests with support for filtering and reporting options

Key Benefits

  • Intelligent Path Handling: Automatically resolves relative paths to absolute paths, ensuring commands work correctly regardless of working directory
  • Project Auto-Detection: Identifies Dart/Flutter projects in common locations like home directories and workspaces
  • Cross-Platform Support: Works on macOS, Linux, and Windows
  • Zero Configuration: Works out of the box with sensible defaults
  • MCP Integration: Compatible with any MCP client, including Windsurf, Cline, and other Model Context Protocol implementations

Prerequisites

  • Node.js: 18.x or higher
  • Dart SDK: 3.0 or higher installed and available in your PATH

Installation

Installing via Smithery

To install Dart MCP Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @egyleader/dart-mcp --client claude

Using npx (recommended)

The server can be run directly without installation using npx:

npx @egyleader/dart-mcp-server

Global Installation

For easier access, you can install the server globally:

npm install -g @egyleader/dart-mcp-server

Then run it using:

dart-mcp-server

From Source

# Clone the repository
git clone https://github.com/egyleader/dart-mcp-server.git
cd dart-mcp-server

# Install dependencies
npm install

# Build the project
npm run build

# Run the server
node dist/index.js

Integration with MCP Clients

Windsurf / Codeium IDE Configuration

To use this MCP server with Windsurf or Codeium IDE, add the following to your mcp_config.json file (typically located at ~/.codeium/windsurf/mcp_config.json):

{
  "mcpServers": {
    "dart": {
      "command": "npx",
      "args": [
        "-y",
        "@egyleader/dart-mcp-server"
      ]
    }
  }
}

Environment Variables

  • DART_MCP_VERBOSE: Set to any value to enable verbose logging for debugging

MCP Tool Usage Examples

Here are examples of how to use the MCP tools provided by the server. These examples show the parameters that can be passed to each tool.

dart-analyze

Analyze Dart code for errors, warnings, and lints:

{
  "path": "lib/main.dart",
  "options": ["--fatal-infos", "--fatal-warnings"]
}

dart-compile

Compile Dart code to various formats:

{
  "path": "lib/main.dart",
  "format": "exe",
  "output": "build/app",
  "options": ["--verbose"]
}

Supported formats: exe, aot-snapshot, jit-snapshot, kernel, js

dart-create

Create a new Dart project from a template:

{
  "projectName": "my_awesome_app",
  "template": "console",
  "output": "projects/my_awesome_app",
  "options": ["--force"]
}

Note on projectName and output:

  • If only projectName is provided, it's used as the directory name where the project is created.
  • If output is provided, it's used as the directory where the project is created.
  • The actual package/project name in Dart is derived from the final directory name by the Dart CLI.

Supported templates: console, package, server-shelf, web

dart-doc

Generate API documentation for a Dart project:

{
  "path": ".",
  "output": "doc",
  "options": ["--exclude", "lib/generated"]
}

dart-fix

Apply automated fixes to Dart source code:

{
  "path": "lib",
  "apply": true,
  "options": ["--pedantic"]
}

dart-format

Format Dart source code according to style guidelines:

{
  "paths": ["lib/main.dart", "lib/models"],
  "setExitIfChanged": true,
  "options": ["--line-length=100"]
}

dart-info

Show diagnostic information about the installed Dart tooling:

{
  "options": ["--verbose"]
}

dart-package

Work with packages (pub commands):

{
  "command": "get",
  "workingDir": ".",
  "args": ["--offline"]
}

Supported commands: get, upgrade, outdated, add, remove, publish, deps, downgrade, cache, run, global

dart-run

Run Dart programs with support for passing arguments:

{
  "script": "bin/server.dart",
  "workingDir": ".",
  "args": ["--port=8080", "--mode=production"]
}

dart-test

Run tests with support for filtering and reporting options:

{
  "path": "test",
  "workingDir": ".",
  "options": ["--name=login", "--platform=chrome"]
}

License

This project is licensed under the MIT License - see the LICENSE file for details.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

Tool API Reference

dart-analyze

Analyze Dart code in a directory or file.

{
  path?: string;       // Directory or file to analyze
  options?: string[];  // Additional options for the dart analyze command
}

Example:

{
  path: "lib",
  options: ["--fatal-infos", "--fatal-warnings"]
}

dart-compile

Compile Dart to various formats.

{
  format: 'exe' | 'aot-snapshot' | 'jit-snapshot' | 'kernel' | 'js'; // Output format
  path: string;        // Path to the Dart file to compile
  output?: string;     // Output file path
  options?: string[];  // Additional compilation options
}

Example:

{
  format: "exe",
  path: "bin/main.dart",
  output: "bin/app"
}

dart-create

Create a new Dart project.

{
  template: 'console' | 'package' | 'server-shelf' | 'web'; // Project template
  projectName: string; // Name of the project to create
  output?: string;     // Directory where to create the project
  options?: string[];  // Additional project creation options
}

Note:

  • If output is provided, the project will be created in that directory.
  • If only projectName is provided, it will be used as the directory name.
  • The actual Dart package name is derived from the final directory name.

Example:

{
  template: "package",
  projectName: "my_dart_library",
  output: "projects/my_dart_library"
}

dart-doc

Generate API documentation for Dart projects.

{
  path?: string;       // Directory containing the Dart package to document
  output?: string;     // Output directory for the generated documentation
  options?: string[];  // Additional documentation options
}

Example:

{
  path: ".",
  output: "doc/api"
}

dart-fix

Apply automated fixes to Dart source code.

{
  path?: string;       // Directory or file to apply fixes to
  apply?: boolean;     // Whether to apply the suggested fixes (default: true)
  options?: string[];  // Additional fix options
}

Example:

{
  path: "lib",
  apply: true,
  options: ["--pedantic"]
}

dart-format

Idiomatically format Dart source code.

{
  paths: string[];     // Files or directories to format
  setExitIfChanged?: boolean; // Return exit code 1 if there are formatting changes (default: false)
  options?: string[];  // Additional format options
}

Example:

{
  paths: ["lib", "test"],
  setExitIfChanged: true,
  options: ["--line-length=80"]
}

dart-info

Show diagnostic information about the installed tooling.

{
  options?: string[];  // Additional info options
}

Example:

{
  options: ["--verbose"]
}

dart-package

Work with packages (pub commands).

{
  command: 'get' | 'upgrade' | 'outdated' | 'add' | 'remove' | 'publish' | 'deps' | 'downgrade' | 'cache' | 'run' | 'global'; // Pub subcommand
  args?: string[];     // Arguments for the pub subcommand
  workingDir?: string; // Working directory for the command
}

Examples:

// Add a package
{
  command: "add",
  args: ["rxdart"],
  workingDir: "my_project"
}

// Get dependencies
{
  command: "get",
  workingDir: "my_project"
}

dart-run

Run a Dart program.

{
  script: string;      // Path to the Dart script to run
  args?: string[];     // Arguments to pass to the script
  workingDir?: string; // Working directory for the command
}

Example:

{
  script: "bin/main.dart",
  args: ["--verbose"],
  workingDir: "my_project"
}

dart-test

Run tests for a project.

{
  path?: string;       // Path to the test file or directory
  options?: string[];  // Additional test options
  workingDir?: string; // Working directory for the command
}

Example:

{
  path: "test",
  options: ["--coverage", "--name=auth"],
  workingDir: "my_project"
}

Development

# Watch mode for development
pnpm run dev

# Build for production
pnpm run build

Error Handling

The server implements comprehensive error handling:

  • Command execution errors are captured and formatted appropriately
  • Path resolution issues are reported with detailed diagnostics
  • Timeout handling for long-running operations
  • Proper exit code propagation from Dart commands

Contributing

Please see CONTRIBUTING.md for detailed contribution guidelines.

Our commit format follows:

<type>[optional scope]: [JIRA-123(optional)] <description>

Example:

feat(tools): [DART-456] add support for dart test tags

License

MIT

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