clerk.com

Clerk is a user authentication and user-management platform for web and native applications. It provides embeddable auth UI, APIs, and admin tooling for managing users, organizations, billing, and related identity workflows.

4 integrations · MCP · REST · CLI

Clerk exposes three documented HTTP APIs (Frontend, Backend, and Platform), a public streamable-HTTP MCP server at `https://mcp.clerk.com/mcp`, and the `clerk` CLI.

discovered 1d ago

MCP servers1

Clerk MCP serverdiscoveredstreamable-http

REST · OpenAPI2

Clerk Backend APIdiscoveredrest
Clerk Frontend APIdiscoveredrest

CLI1

Clerk CLIdiscoveredclerk

Credentials

Clerk secret keybearerGet token ↗

In the Clerk Dashboard, open your application/instance and go to the API Keys area to copy your Secret Key. Clerk's backend SDK-development guide states backend integrations expect the user to provide their Secret Key, and the Backend API reference says the bearer token is a secret key obtained under API Keys in the Clerk Dashboard.

Clerk CLI authenticated sessionoauth2$ clerk auth login

Acquired by the CLI — running clerk auth login opens the auth flow and stores the credential.

conventions · 2/7 published

integrations.json——
llms.txt✓https://clerk.com/llms.txt
API catalog✗/.well-known/api-catalog
OpenAPI document✗/api/schema/, /openapi.json, /swagger.json, /api/openapi.json, or /v1/openapi.json
MCP server card✗/.well-known/mcp/server-card.json
OAuth protected resource✗/.well-known/oauth-protected-resource
Agent card✗/.well-known/agent-card.json
Agent skills✓https://clerk.com/.well-known/agent-skills/index.json

Publish these signals → /publishing