Articles · MCP Runtime

Systems notes for MCP, Kubernetes, policy, and infrastructure.

Technical writing from the MCP Runtime project: request traces, platform architecture, networking, operating systems, microservices, identity, policy management, and product design for infrastructure teams.

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"MCP" · "2026-06-04" · "7 min"

"MCP request flow: what Cursor sends when a server starts"

"A trace-driven walkthrough of Cursor's Streamable HTTP startup sequence for a local MCP server, from OAuth metadata probes through initialize, discovery, subscription, ping, and tool calls."