A

authentication

🔧🔗https://github.com/IBM/mcp-context-forge A Model Context Protocol (MCP) Gateway & Registry. Serves as a central management point for tools, resources, and prompts that can be accessed by MCP-compatible LLM applications. Converts REST API endpoints to MCP, composes virtual MCP servers with added security and observability, and converts between protocols (stdio, SSE, Streamable HTTP).

Centrifuge

Real-time messaging library for Go. The simplest way to add feature-rich and scalable WebSocket support to your application. The core of Centrifugo server. pkg.go.dev/github.com/centrifugal/centrifuge

🔧🔗https://github.com/privacyidea/privacyidea

🔐 multi factor authentication system (2FA, MFA, OTP Server)

🔧🔗https://github.com/OpenIdentityPlatform/OpenAM OpenAM is an open access management solution that includes Authentication, SSO, Authorization, Federation, Entitlements and Web Services Security.

mcp oidc provider

https://github.com/tigrisdata/mcp-oidc-provider Open-sourced mcp-oidc-provider: a minimal, vendor-neutral OIDC layer that sits between MCP clients and your upstream IdP (Auth0/Clerk/Okta).

🔧🔗https://github.com/goauthentik/authentik The authentication glue you need.

🔧🔗https://github.com/stack-auth/stack-auth Open-source Auth0/Clerk alternative