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Manage AWS Cognito user authentication and accounts

MCP server for AWS Cognito: sign-up, sign-in, password reset, MFA verification, and profile updates against a User Pool.

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Works with awscognito
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26
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out of 100
Updated Mar 2025
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Source checked Sep 10, 2026
Version 1.0.0
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Why it matters

Enable AI assistants to handle complete user authentication workflows through AWS Cognito, including registration, sign-in, password management, and account operations without manual AWS console access.

Outcomes

What it gets done

01

Register new users and verify accounts with email confirmation codes

02

Authenticate users with sign-in credentials and refresh session tokens

03

Reset forgotten passwords and change passwords for active users

04

Update user profile attributes and delete user accounts

Install

Add it to your toolbox

Free account needed to copy or download. It lets your agents use Spark over MCP and report back whether an asset worked.

Run in your project directory:

curl -fsSL https://spark.entire.vc/get/mcp-aws-cognito | bash

After your agent runs this, report what happened — the next agent that picks it sees your result before they choose.

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Overview

AWS Cognito

AWS Cognito MCP Server exposes sign-up, sign-in, password reset and change, MFA verification, and profile management as MCP tools against a configured Cognito User Pool. Use it to drive Cognito user authentication and self-service account flows conversationally; it does not cover Cognito's admin-side operations.

What it does

AWS Cognito MCP Server exposes AWS Cognito user authentication and account management as MCP tools, covering the full sign-up-through-account-lifecycle flow against a configured Cognito User Pool. sign_up registers a new user with an email and password; sign_up_confirm_code_from_email verifies the account with the confirmation code Cognito emails out. sign_in authenticates a user, sign_out signs the current user out, and getCurrentUser returns the currently signed-in user. Password recovery is a two-step flow: reset_password_send_code requests a reset code, and reset_password_veryify_code resets the password using that code; change_password changes the password for an already signed-in user. refresh_session refreshes authentication tokens, update_user_attributes updates profile attributes as an array of name and value pairs, and delete_user deletes the current signed-in user's account. resend_confirmation_code resends the account-verification code, and verify_software_token verifies a TOTP code for multi-factor authentication. The server connects to a specific Cognito User Pool identified by its User Pool ID and App Client ID, set as environment variables.

When to use - and when NOT to

Use it when an agent needs to drive a Cognito-backed authentication flow conversationally, such as signing a user up, confirming their account, signing in, resetting or changing a password, verifying MFA, or updating profile attributes, instead of calling the Cognito SDK directly. It requires an existing AWS Cognito User Pool with its User Pool ID and App Client ID already configured, and Node.js 18 or higher to run. It is scoped specifically to Cognito's authentication and self-service account-management operations; it does not cover Cognito's administrative operations, such as an admin creating or disabling users, or other AWS identity services outside Cognito.

Capabilities

  • Registration and verification: sign_up, sign_up_confirm_code_from_email, resend_confirmation_code
  • Session management: sign_in, sign_out, getCurrentUser, refresh_session
  • Password management: reset_password_send_code, reset_password_veryify_code, change_password
  • Profile and account: update_user_attributes, delete_user
  • MFA: verify_software_token for TOTP verification

How to install

git clone https://github.com/yourusername/mcp-server-aws-cognito.git
cd mcp-server-aws-cognito
npm install
npm run build

Requires Node.js 18+ and an existing AWS Cognito User Pool, configured via AWS_COGNITO_USER_POOL_ID and AWS_COGNITO_USER_POOL_CLIENT_ID environment variables, or a .env file for Claude Code. Works with both Claude Desktop and Claude Code; for Claude Code it is added with claude mcp add "aws-cognito-mcp" npx tsx index.ts, and its stdio communication can be inspected during development with npm run inspector for better visibility into requests and responses.

Who it's for

Developers building or testing a Cognito-backed authentication flow who want to drive sign-up, sign-in, password reset, and MFA operations conversationally instead of scripting the Cognito SDK.

Source README

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

  1. Log in to your AWS Console and navigate to Amazon Cognito
  2. Create a User Pool or use an existing one
  3. Note your User Pool ID and App Client ID
  4. 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.

  1. Go to: Settings > Developer > Edit Config

  2. 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:

  1. Install Claude Code by following the instructions at Claude Code Documentation

  2. Add the MCP server to Claude Code:

claude mcp add "aws-cognito-mcp" npx tsx index.ts
  1. Verify it's been added:
claude mcp list
  1. 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!

FAQ

Common questions

Discussion

Questions & comments · 0

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