Maslow's Hammer and the MCP Debate

Sat, 21 Mar 2026 00:00:00 +0000

A few days ago, a Principal Software Engineer at Red Hat posted a one-liner on LinkedIn that split the comments section in half:

“MCP is a layer of unnecessary indirection. A properly documented REST API is enough and works for everyone, not just agents.”

33 reactions, 13 comments, and a thread that surfaced some genuinely good arguments on both sides. I jumped in with my take, but a LinkedIn comment is not the right format for a nuanced opinion. So here’s the long version.

Architecture on Andrea Cervesato

Maslow's Hammer and the MCP Debate