Secure your MCP servers with OAuth 2.1

Drop-in OAuth 2.1 for any MCP server — user login, SSO, agent tokens, scopes, and DCR included

Flexible authentication for every MCP deployment

Support social login, enterprise SSO, or your existing auth while Scalekit issues scoped OAuth tokens

Social Login

Social Login

Authenticate with Google, Microsoft, GitHub, LinkedIn, and more

Enterprise SSO

Enterprise SSO

Enable SAML/OIDC login with Okta, Entra ID, ADFS, and Google Workspace

Bring Your Own Auth

Bring Your Own Auth

Keep your current auth (Auth0, Firebase, Supabase, custom) and layer OAuth 2.1 + scopes on top

Built for human, agent, and server-driven MCP interactions

Secure every interaction pattern — user-initiated, agent-initiated, or server-to-server

Secure human-driven MCP access

Authenticate users via Social Login or enterprise SSO

Issue user-scoped tokens with fine-grained
tool permissions

Enforce short-lived, auditable access across all
client hosts

Connect agents to your MCP tools

Use machine credentials for autonomous tool execution

Enforce scoped access, expirations, and revocable tokens

Build seamless agent-to-tool workflows

Power MCP-to-API and MCP-to-MCP workflows

Use M2M tokens or cascade user tokens across
trusted systems

Build chained MCP workflows with fully
auditable authorization

Call internal or third-party APIs securely from
your MCP server

Works with every MCP server and every MCP client

Drop Scalekit into any MCP architecture—no custom wiring needed

Server Frameworks

OAuth 2.1 layer for every MCP runtime.

MCP Clients

Client-agnostic authentication for MCP.

Make your MCP server OAuth-aware in minutes

A simple setup that fits any MCP server architecture.

Register your MCP server →

dynamic client registration supported

Expose /.well-known →

automatic endpoint discovery

Verify JWT tokens →

authenticate identity + enforce validity

Enforce scopes →

granular permissions for each agent action

Enterprise-grade security and control built in

Short-lived tokens, granular scopes, and full auditability.

OAuth 2.1 authorization server

Standards-compliant OAuth with enforced scopes and policies

Dynamic Client Registration

Automatic client onboarding with secure PKCE flows

Scoped, multi-tenant JWT tokens

Tenant-aware, least-privilege tokens with granular permissions

Audit logs & token introspection

Complete visibility into token issuance, use, and expiry

Add production-ready MCP auth in minutes

All the flows, scopes, and integrations you need out of the box