Full Type Inference
Flag and argument types flow from schema to handler. No manual interfaces, no generic gymnastics.
dreamcliSchema-first CLI framework
Fully typed TypeScript CLIs with zero runtime dependencies. Define once, infer everywhere.
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Resolution Chain
CLI → env → config → prompt → default. Every step opt-in. Every step preserves types.
Built-in Test Harness
Run commands in-process with full control. No subprocesses, no process.argv mutation.
Typed Middleware
Context accumulates through the middleware chain via type intersection. No manual interface merging.
Zero Dependencies
Lean core with no runtime dependencies. Dual ESM/CJS. Runs on Node, Bun, and Deno.
Structured Output
Spinners, progress bars, tables, JSON mode. Adapts automatically: TTY → pretty, piped → stable.