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技能檔案

Create Cli

Design command-line interface parameters and UX: arguments, flags, subcommands, help text, output formats, error messages, exit codes, prompts, config/env precedence, and safe/dry-run behavior. Use when you’re designing a CLI spec (before implementation) or refactoring an existing CLI’s surface area for consistency, composability, and discoverability.

0 星標

2025年12月29日

職業
分類: CLI 工具

技能內容

3f:Tbcf,

Create CLI

Design CLI surface area (syntax + behavior), human-first, script-friendly.

Do This First

Read agent-scripts/skills/create-cli/references/cli-guidelines.md and apply it as the default rubric.
Ask only the minimum clarifying questions needed to lock the interface.

Clarify (fast)

Ask, then proceed with best-guess defaults if user is unsure:

Command name + one-sentence purpose.
Primary user: humans, scripts, or both.
Input sources: args vs stdin; files vs URLs; secrets (never via flags).
Output contract: human text, --json, --plain, exit codes.
Interactivity: prompts allowed? need --no-input? confirmations for destructive ops?
Config model: flags/env/config-file; precedence; XDG vs repo-local.
Platform/runtime constraints: macOS/Linux/Windows; single binary vs runtime.

Deliverables (what to output)

相關技能

快速安裝

Create Cli

npx skillvault add ivanov-i/ivanov-i-dots-codex-skills-create-cli-skill-md

下載 Skill 打開源碼倉庫

作者: ivanov-i
星標: 0
更新時間: 2025年12月29日
職業

本頁內容

01Create CLI 02

When designing a CLI, produce a compact spec the user can implement:

Command tree + USAGE synopsis.
Args/flags table (types, defaults, required/optional, examples).
Subcommand semantics (what each does; idempotence; state changes).
Output rules: stdout vs stderr; TTY detection; --json/--plain; --quiet/--verbose.
Error + exit code map (top failure modes).
Safety rules: --dry-run, confirmations, --force, --no-input.
Config/env rules + precedence (flags > env > project config > user config > system).
5–10 example invocations (common flows; include piped/stdin examples).

Default Conventions (unless user says otherwise)

-h/--help always shows help and ignores other args.
--version prints version to stdout.
Primary data to stdout; diagnostics/errors to stderr.
Add --json for machine output; consider --plain for stable line-based text.
Prompts only when stdin is a TTY; --no-input disables prompts.
Destructive operations: interactive confirmation + non-interactive requires --force or explicit --confirm=....
Respect NO_COLOR, TERM=dumb; provide --no-color.
Handle Ctrl-C: exit fast; bounded cleanup; be crash-only when possible.

Templates (copy into your answer)

CLI spec skeleton

Fill these sections, drop anything irrelevant:

Name: mycmd
One-liner: ...
USAGE:
- mycmd [global flags] <subcommand> [args]
Subcommands:
- mycmd init ...
- mycmd run ...
Global flags:
- -h, --help
- --version
- -q, --quiet / -v, --verbose (define exactly)
- --json / --plain (if applicable)
I/O contract:
- stdout:
- stderr:
Exit codes:
- 0 success
- 1 generic failure
- 2 invalid usage (parse/validation)
- (add command-specific codes only when actually useful)
Env/config:
- env vars:
- config file path + precedence:
Examples:
- …

Notes

Prefer recommending a parsing library (language-specific) only when asked; otherwise keep this skill language-agnostic.
If the request is “design parameters”, do not drift into implementation.

Do This First

03Clarify (fast)

04Deliverables (what to output)

05Default Conventions (unless user says otherwise)

06Templates (copy into your answer)

07CLI spec skeleton

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Create Cli | Skills Pool