cli-creation

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Build consumer-facing DreamCLI CLIs from scratch with Bun-first workflows and typed patterns. Use when asked to scaffold or implement a new @kjanat/dreamcli command-line app, add commands/flags/args/prompts/output/testing, or create starter files/tests for DreamCLI users.

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Sourcekjanat/dreamcli

Added on2026-04-09

NPX Install

npx skill4agent add kjanat/dreamcli cli-creation

SKILL.md Content

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CLI Creation

Overview

Create runnable DreamCLI starter CLIs and extend them with typed command patterns. Use this skill for user-facing app code, not DreamCLI framework internals.

Quick Start

Choose a starter mode:
- ```
single
```
  : one root command (
```
cli(name).default(command)
```
  ).
- ```
multi
```
  : grouped command surface (
```
group('...').command(...)
```
  ).
Generate starter files:
- ```
python scripts/scaffold_cli.py --name mycli --mode single --out .
```
- Tests are generated by default; add
```
--no-test
```
  only when explicitly requested.
- Test template is auto-detected: Bun without Vitest uses
```
bun:test
```
  ; otherwise a Vitest template is generated.
Run and validate generated files:
- Use the printed path from the scaffolder output, for example
```
bun ./mycli.ts --help
```
  .
- Run the generated test unless
```
--no-test
```
  was used.

Extend behavior with references:

```
references/consumer-workflow.md
```
```
references/pattern-cookbook.md
```
```
references/runtime-notes.md
```

Grounding Sources

Use
```
examples/standalone/basic.ts
```
for single-command defaults.
Use
```
examples/standalone/multi-command.ts
```
for grouped-command defaults.

Use

examples/standalone/testing.ts

for

runCommand()

patterns.

Use
```
apps/docs/guide/getting-started.md
```
for baseline consumer narrative.
Use
```
apps/docs/guide/walkthrough.md
```
for richer end-to-end CLI composition.

Workflow Decision Tree

User asks for a simple one-command utility:
- Use
```
--mode single
```
  .
User asks for nested command groups (git/gh style):
- Use
```
--mode multi
```
  .
User asks for tests from the start:
- Do nothing; tests are scaffolded by default.
User explicitly asks for no tests:
- Add
```
--no-test
```
  .
User asks for npm/tsx or Deno instructions:
- Keep generated code unchanged and provide runtime command alternatives from
```
references/runtime-notes.md
```
  .

Extend the Starter

Add typed args with

arg.string()

,

arg.number()

,

arg.enum(...)

, and

arg.custom(...)

.

For repeated positionals, use
```
.variadic()
```
on an arg definition.
Add typed flags with defaults and aliases via
```
flag.*()
```
.
Add env/config/prompt sources on each flag before action logic.
Branch on
```
out.jsonMode
```
for machine-readable responses.
Use
```
runCommand()
```
from
```
@kjanat/dreamcli/testkit
```
for in-process tests.
Keep output assertions explicit, including trailing newlines.

Resource Map

```
scripts/scaffold_cli.py
```
- Generate Bun-first starter files and optional tests.
```
assets/templates/*.tpl
```
- Source templates used by the scaffold script.
```
references/consumer-workflow.md
```
- End-to-end flow from request to validated CLI.
```
references/pattern-cookbook.md
```
- Copy-ready snippets for common DreamCLI features.
```
references/runtime-notes.md
```
- Runtime and package-manager execution guidance.

Guardrails

Do not modify DreamCLI core internals for consumer-app requests.

Keep generated imports on

@kjanat/dreamcli

and

@kjanat/dreamcli/testkit

.

Preserve typed resolution flow: argv -> env -> config -> prompt -> default.
Prefer Bun commands first; include npm/tsx and Deno alternatives when requested.