~/lightning

Lightning Talk: Effortlessly Integrating Keycloak Authentication To Your MCP Servers

Lightningat KeycloakCon Europe 2026 · on Monday, 2026-03-23· at 11:45· Hall 7 | Room A· [security]
name:Lin Sun
links:none on file
slides:none on file

Shows adding Keycloak OpenID Connect auth the hard way by editing a Python MCP server, rebuilding and redeploying, then demonstrates an alternative: place an agent gateway in front of the unchanged server and enforce auth there. Uses a simple echo MCP tool on port 8000, exposes gateway on port 9000, and tests with MCP inspector. Claims no server code changes or redeploys are required; live demo has token caching glitches but the gateway approach secures multiple MCP instances.

AI-written summary · about

  1. 0:00Introduction
  2. 0:41Simple MCP echo server
  3. 3:16Keycloak auth for MCP servers
  4. 5:04Gateway for Keycloak auth
  5. 8:37Live auth flow demo
  6. 10:49Summary & Q&A
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