Why do people hate MCP? CLI is a new trend
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CTO Perplexity announced that they are abandoning MCP and switching to CLI. The next day, CEO Y Combinator supported him.
So - has the era of CLI arrived or have the leaders gone a little too far?
In this video, I analyze how MCP and CLI work under the hood. What is the cost, how much does it eat in tokens, what is there in terms of reliability and installation
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What you will learn:
Why MCP inflates the context and how much it costs in tokens
How Claude Code 2.1.7 solved the problem of loading tools
Progressive Disclosure in CLI: why the familiar CLI costs 15 tokens
Where MCP is indispensable - Figma, Playwright and persistent connection
How to build a CLI for any tool if there is no ready-made one
CLI Anything: auto-generation of CLI for any open source repository
Security: why CLI via Bash is more dangerous than MCP and how control
Timecodes:
00:00 MCP vs CLI
01:22 Why MCP is being abandoned - what's going on under the hood
01:46 How Claude Code 2.1.7 solved the context problem
02:17 Token comparison: MCP vs CLI in numbers
03:22 Progressive Disclosure - why CLI is cheaper
03:44 Reliability problem - MCP as an additional point of failure
04:23 Installation: npm install and json-config vs one command
04:43 Where MCP wins - persistent connection and Figma case
05:45 The rule is simple: when MCP and when CLI
05:54 How to build a CLI if it doesn't exist - Focus2D case
06:33 CLI Anything - CLI for any open source
06:49 Course - from configuration to Production Ready Workflow
07:10 Final rule: when to use what
07:33 Security: CLI vs MCP and how to control access
08:03 Conclusion and recommendation
For whom:
• Developers who use Claude Code and want to optimize workflow
• Tech Lead and Senior engineers who implement AI agents in the team
• Everyone who has heard of MCP but does not understand where the line between MCP and CLI is
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