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Agent skill

Create CLI

by steipete in steipete/agent-scripts

CLI UX/spec: args, flags, help, output, errors, config, dry-run.

MITAuto-check passed

Install Create CLI

skills CLI
$ npx skills add steipete/agent-scripts --skill create-cli -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install steipete/agent-scripts create-cli --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/steipete/agent-scripts.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/create-cli .claude/skills/create-cli && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
create-cli
GitHub stars
7.3k
Used in
3 other repos
Token cost
~835 tokens
SKILL.md length
369 words
Files
2 (incl. references)
Skills in repo
45
Repo updated
First seen
Licence
MIT

At a glance

CLI UX/spec: args, flags, help, output, errors, config, dry-run.

  • Works in 9 steps: Name: mycmd → One-liner: ... → USAGE → …
  • SKILL.md covers Do This First, Clarify (fast), Deliverables (what to output) and Default Conventions (unless…, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Create CLI is an agent skill from steipete/agent-scripts. CLI UX/spec: args, flags, help, output, errors, config, dry-run.

Its SKILL.md is about 840 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/cli-guidelines.md`).

The repository describes itself as: Scripts for agents, shared between my repositories. The licence is MIT.

Example prompts

  • “/create-cli”

Workflow steps

9 steps, taken from the first numbered list in SKILL.md.

  1. Name: mycmd
  2. One-liner: ...
  3. USAGE
  4. Subcommands
  5. Global flags
  6. I/O contract
  7. Exit codes
  8. Env/config
  9. Examples

What it can do on your machine

Read from SKILL.md and the folder at commit 79150cf. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • clig.dev
    • github.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Create CLI loads about 835 tokens when it runs, and up to ~3.1k if it reads all its reference files. Until then it costs about 19 tokens; SKILL.md has 369 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~19
When it runs · the whole SKILL.md, loaded when a task matches
~835
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from steipete/agent-scripts at commit 79150cf, republished under its MIT licence (© steipete). 369 words, ~835 tokens.

Download SKILL.mdSave it as .claude/skills/create-cli/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
create-cli
description
CLI UX/spec: args, flags, help, output, errors, config, dry-run.

Create CLI

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

Do This First

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)

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).
  • Shell completion story (if relevant): install/discoverability; generation command or bundled scripts.
  • 5–10 example invocations (common flows; include piped/stdin examples).
Show full SKILL.md (180 more words)Show less

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:

  1. Name: mycmd
  2. One-liner: ...
  3. USAGE:
    • mycmd [global flags] <subcommand> [args]
  4. Subcommands:
    • mycmd init ...
    • mycmd run ...
  5. Global flags:
    • -h, --help
    • --version
    • -q, --quiet / -v, --verbose (define exactly)
    • --json / --plain (if applicable)
  6. I/O contract:
    • stdout:
    • stderr:
  7. Exit codes:
    • 0 success
    • 1 generic failure
    • 2 invalid usage (parse/validation)
    • (add command-specific codes only when actually useful)
  8. Env/config:
    • env vars:
    • config file path + precedence:
  9. 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.

© steipete, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/create-cli of steipete/agent-scripts.

  • SKILL.md
  • references/cli-guidelines.md

Open the folder on GitHubat commit 79150cf

Used in 3 other repositories

We found 3 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 3 other GitHub owners. This page covers the copy in steipete/agent-scripts, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Create CLI next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Create CLI compared with similar skills
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Create CLI this skillsteipete/agent-scripts7.3k3 repos~835Automated safety check: PassMIT
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Feature Flagssickn33/agentic-awesome-skills47k1 repos~2.6kAutomated safety check: PassMIT
Feature Flagsgetsentry/sentry46k—~374Automated safety check: PassCustom licence
Setting Feature Flags In StorybookPostHog/posthog40k—~1.1kAutomated safety check: PassCustom licence
Admin7 Feature FlagsTryGhost/Ghost55k—~169Automated safety check: PassMIT

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Questions about Create CLI

What does Create CLI do?

CLI UX/spec: args, flags, help, output, errors, config, dry-run. Create CLI is an agent skill from steipete/agent-scripts. CLI UX/spec: args, flags, help, output, errors, config, dry-run.

How do I install Create CLI in Claude Code?

Run `npx skills add steipete/agent-scripts --skill create-cli -a claude-code`. Or copy the skill folder (skills/create-cli in steipete/agent-scripts) into .claude/skills/create-cli in your project. Claude Code loads it when a task matches its description.

How do I install Create CLI in Codex?

Run `npx skills add steipete/agent-scripts --skill create-cli -a codex`. Or copy the skill folder (skills/create-cli in steipete/agent-scripts) into .agents/skills/create-cli in your project. Codex loads it when a task matches its description.

Can I use Create CLI in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add steipete/agent-scripts --skill create-cli -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/create-cli, .gemini/skills/create-cli, .github/skills/create-cli and .opencode/skills/create-cli in your project.

What does Create CLI need to run?

SKILL.md names no scripts, command-line tools or credentials: Create CLI is instructions for the agent only.

Does Create CLI access the network?

SKILL.md names 2 domains. As links in the text: clig.dev and github.com. This is read from the text; nothing was executed.

Is Create CLI safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Create CLI use?

Create CLI is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Create CLI use?

About 835 tokens (SKILL.md is roughly 3.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.3k tokens, read only when the agent opens those files.

What are the alternatives to Create CLI?

Skills that share tags, products or a category with Create CLI: Flags (vercel/next.js, 143k stars), Feature Flags (sickn33/agentic-awesome-skills, 47k stars), Feature Flags (getsentry/sentry, 46k stars) and Setting Feature Flags In Storybook (PostHog/posthog, 40k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Create CLI?

steipete (a GitHub user) maintains it in steipete/agent-scripts, which has 7,273 GitHub stars. The repository holds 45 skills in this directory. The repository was last updated on October 4, 2026.

Source: steipete/agent-scripts on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.