Open MCP Authentication Proxy

Open MCP Authentication Proxy

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Open MCP Auth Proxy facilitates secure authorization by intercepting requests, validating tokens, and offloading authentication to OAuth providers, supporting MCP authorization protocol.
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Apr 27 2025
Open MCP Authentication Proxy
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What is Open MCP Authentication Proxy?

Open MCP Auth Proxy acts as an intermediary between MCP clients and servers, ensuring secure and compliant access control. It intercepts incoming requests, validates authorization tokens, and offloads authentication processes to OAuth-compliant identity providers like Asgardeo, Auth0, and Keycloak. The proxy supports multiple transport modes including SSE and stdio, and can run servers as subprocesses for integration. It simplifies secure MCP server access, enables OAuth integration, and maintains protocol compliance for authorization management in MCP environments.

Who will use Open MCP Authentication Proxy?

  • Developers implementing MCP server security
  • Organizations integrating OAuth providers with MCP
  • MCP client developers seeking secure access

How to use the Open MCP Authentication Proxy?

  • Step1: Download the latest release from GitHub
  • Step2: Configure the 'config.yaml' with your MCP server and identity provider details
  • Step3: Start the proxy using './openmcpauthproxy --demo' for demo mode
  • Step4: Connect MCP clients to the proxy URL
  • Step5: Monitor logs and validate authorization flows.

Open MCP Authentication Proxy's Core Features & Benefits

The Core Features
  • Intercepts and validates MCP request tokens
  • Supports OAuth providers like Asgardeo, Auth0, Keycloak
  • Operates in SSE or stdio transport modes
  • Can run MCP servers as subprocesses
  • Provides CORS configuration
The Benefits
  • Enhances MCP server security
  • Enables OAuth integration without modifying MCP servers
  • Simplifies secure request handling
  • Supports flexible deployment modes
  • Maintains protocol compliance and authorization standards

Open MCP Authentication Proxy's Main Use Cases & Applications

  • Secure MCP server access via OAuth providers
  • Implement authorization layer in MCP environments
  • Integrate MCP with organizational identity management
  • Run MCP server as a subprocess with custom commands

FAQs of Open MCP Authentication Proxy

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