AWS Cognito MCP Server

A Model Context Protocol (MCP) server implementation that connects to AWS Cognito for authentication and user management. This server provides a set of tools for user authentication flows including sign-up, sign-in, password management, and more.

Prerequisites

AWS account with Cognito User Pool configured
Node.js 18 or higher

Installation

# Clone the repository
git clone https://github.com/yourusername/mcp-server-aws-cognito.git

# Install dependencies
cd mcp-server-aws-cognito
npm install

# Build the server
npm run build

AWS Cognito Configuration

Log in to your AWS Console and navigate to Amazon Cognito
Create a User Pool or use an existing one
Note your User Pool ID and App Client ID
Set these values as environment variables or in a .env file (you need .env file only when you use claude code, not claude desktop):

AWS_COGNITO_USER_POOL_ID=your-user-pool-id
AWS_COGNITO_USER_POOL_CLIENT_ID=your-app-client-id

Available Tools

Tool Name	Description	Parameters
`sign_up`	Register a new user	`email`: string, `password`: string
`sign_up_confirm_code_from_email`	Verify account with confirmation code	`username`: string, `confirmationCode`: string
`sign_in`	Authenticate a user	`username`: string, `password`: string
`sign_out`	Sign out the current user	None
`getCurrentUser`	Get the current signed-in user	None
`reset_password_send_code`	Request password reset code	`username`: string
`reset_password_veryify_code`	Reset password with verification code	`username`: string, `code`: string, `newPassword`: string
`change_password`	Change password for signed-in user	`oldPassword`: string, `newPassword`: string
`refresh_session`	Refresh the authentication tokens	None
`update_user_attributes`	Update user profile attributes	`attributes`: Array of `{name: string, value: string}`
`delete_user`	Delete the current signed-in user	None
`resend_confirmation_code`	Resend account verification code	`username`: string
`verify_software_token`	Verify TOTP for MFA	`username`: string, `totpCode`: string

The Inspector will provide a URL to access debugging tools in your browser.

Using with Claude Desktop

Before starting make sure Node.js is installed on your desktop for npx to work.

Go to: Settings > Developer > Edit Config
Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "aws-cognito-mcp-server": {
      "command": "/path/to/mcp-server-aws-cognito/build/index.js",
      "env": {
        "AWS_COGNITO_USER_POOL_ID": "your-user-pool-id",
        "AWS_COGNITO_USER_POOL_CLIENT_ID": "your-app-client-id"
      }
    }
  }
}

Using with Claude Code

Claude Code is a command-line interface for Claude. To use this MCP server with Claude Code:

Install Claude Code by following the instructions at Claude Code Documentation
Add the MCP server to Claude Code:

claude mcp add "aws-cognito-mcp" npx tsx index.ts

Verify it's been added:

claude mcp list

Run Claude with your MCP server:

claude

Development

For development with auto-rebuild:

npm run watch

Debugging

Since MCP servers communicate over stdio, debugging can be challenging. Use the MCP Inspector for better visibility:

npm run inspector

Now you can use the AWS Cognito authentication tools with Claude!

This server cannot be installed

security - not tested

license - not found

quality - not tested

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

A Model Context Protocol server implementation that connects to AWS Cognito for authentication and user management, providing tools for user flows including sign-up, sign-in, and password management.

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