Building an AI Firewall: Three Things I Learned While Securing MCP(blog.costa.security)
blog.costa.security
Building an AI Firewall: Three Things I Learned While Securing MCP
https://blog.costa.security/building-an-ai-firewall-three-things-i-learned-while-securing-mcp-f9a19b910a02
1. There is no "best" model or tool 2. Build for today's ecosystem (stdin/stdout), not tomorrow's (SSE) 3. MCP is stateful — and that is going to change *everything*