The Unreasonable Effectiveness of CLIs > MCP: Everything You Need to Know
When a Google engineer released the Google Workspace CLI, the internet went crazy — finally, a Google Workspace surface for the agent era.
But wait, why a CLI tool, and not an MCP server? MCP is all the rage nowadays — seems like everyone and their dog is shipping MCP servers.
MCP, The Silver Bullet?
MCP is pretty great. It enables AI agents to surface all kinds of relevant context and take meaningful actions to accomplish your goals.
But the MCP paradigm has real issues. The internet is replete with this refrain in the security department: The “S” in MCP Stands for Security, and The Linux Foundation's Horror Stories That Will Change How You Ship MCP.
But beyond security, MCP has some real fundamental limitations as a paradigm in how it fits into the agentic workflow.
The Agent Loop
To understand the limitations of MCP...
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