OAuth for MCP Servers — Lessons from Building for AI Agents

OAuth for MCP Servers — Lessons from Building for AI Agents

From Semaphore Uncut by Semaphore

March 19, 2026 · 16 min

About this episode

The episode discusses the implementation of OAuth for Semaphore's MCP server and the lessons learned in the process.

As AI agents become part of everyday development workflows, authentication is becoming a critical piece of the puzzle. In our latest product update , we’re sharing a behind-the-scenes look at how we implemented OAuth for Semaphore’s MCP server—and what we learned along the way. You’ll get a practical perspective on: * Why OAuth is essential for MCP and AI agents * The challenges of working with evolving specs and inconsistent agent behavior * What actually works in real-world implementations * Key lessons for building secure, reliable integrations This isn’t theory—it’s a real engineering deep dive from our team. 👉 Read the full blog post 👉 Watch the full video This work is part of a broader shift at Semaphore, where we’re extending CICD with AI-powered workflows—while keeping developers in control and reducing manual work. If you’re building with MCP or exploring agent-driven workflows, this one’s worth your time. — Pete MiloravacThe Semaphore Team https://semaphore.io This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit semaphoreio.substack.com

Topics covered

  • OAuth implementation
  • AI agents
  • MCP server
  • authentication challenges
  • real-world integrations
  • CICD workflows

Keywords

  • OAuth
  • MCP server
  • AI agents
  • authentication
  • CICD
  • integrations
  • development workflows

Mentioned in this episode

Organizations: Semaphore

Products: OAuth, MCP server

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