Derek Tu

Director of Product Management

Derek is the Director of Product at Stacklok. Previously, he founded Carbon, an enterprise search company acquired by Perplexity in 2024, where he later led the company's connectors and Model Context Protocol (MCP) initiatives.

All Articles by Derek Tu

August 07, 2026

What good AI spend governance looks like

Finance forwards you the quarterly AI invoices and asks a reasonable question: Is this under control? Answering it takes most of a week. There is an invoice from Anthropic and …

July 06, 2026

Stacklok now supports Enterprise-Managed Authorization

The industry just took a real step toward governing enterprise AI agents. Anthropic, Microsoft, and Okta adopted Enterprise-Managed Authorization (EMA), a new MCP extension that lets your identity provider grant …

May 20, 2026

MCP access governance starts with RBAC

Hand-written Cedar policies won’t scale past a handful of MCP servers. Here’s how Stacklok Enterprise brings RBAC to ToolHive and what it looks like in practice.

April 20, 2026

GitHub authorization for MCP servers

It’s easy to justify static credential configuration when an MCP server starts out as a one-user, one-server setup in a developer environment. But things quickly get complicated when that server …

March 30, 2026

MCP server authorization for downstream access

In enterprise MCP deployments, authentication and authorization at the MCP server don’t fully determine downstream authorization. The server still has to reach downstream systems with the right credential, the right …