C

Clerk

Official 1-Click Ready

Manage Clerk's authentication and user management organization management, session handling, and aut...

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Updated Dec 27, 2025
Audited
Manage Clerk's authentication and user management organization management, session handling, and authorization features.

Tools

getUserCount

Tool name: getUserCount Description: Retrieves the total count of users in your Clerk instance. Use this tool when you need to know the total number of users in the system. This tool takes no paramete...

updateUserUnsafeMetadata

Tool name: updateUserUnsafeMetadata Description: Updates the unsafe metadata associated with a user by merging existing values with the provided parameters. Use this tool when you need to store data t...

getUserId

Tool name: getUserId Description: Get the userId of the current authenticated user if signed in, otherwise return null. Use this tool when you need to identify the current user but don't need their pr...

updateUser

Tool name: updateUser Description: Updates an existing user's attributes in your Clerk instance. Use this tool when you need to modify core user information (NOT metadata). Important notes: 1. If the ...

getUser

Tool name: getUser Description: Retrieves detailed information about a user by their userId, including email addresses, username, profile image, created/updated timestamps, and public metadata. Use th...

How to Install Clerk

Install Clerk MCP server with one click through FastMCP. Choose your preferred AI development tool below:

Claude Desktop

Click "Claude Desktop" in Quick Start

Cursor IDE

Click "Cursor IDE" in Quick Start

VS Code

Click "VS Code" in Quick Start

Clerk is an officially maintained MCP server, verified by the FastMCP team.

Clerk supports one-click installation — no manual JSON configuration needed.

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