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The case for the command line

When commands map directly to the job

Token budget: the hidden cost of schemas

Owning the stack and composing with pipes

Determinism and testability

Quick check: the cost of MCP schemas

Four situations where a command-line and skills approach is the cheaper, simpler, and more testable choice — and why heavy MCP users keep migrating back to it.

When to Reach for CLI / Skills

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