Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/shyamsridhar123/agentsmith-cli/cli-creationnpx skills add shyamsridhar123/agentsmith-cli --skill cli-creationgit clone --depth 1 https://github.com/shyamsridhar123/agentsmith-cliWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/shyamsridhar123/agentsmith-cli/cli-creation)<a href="https://agentmods.dev/skills/shyamsridhar123/agentsmith-cli/cli-creation"><img src="https://agentmods.dev/badge/skills/shyamsridhar123/agentsmith-cli/cli-creation.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00042 | $0.03385 |
| Opus 5 | $0.00021 | $0.01692 |
| Sonnet 5 | $0.00008 | $0.00677 |
| Haiku 4.5 | $0.00004 | $0.00338 |
Grade A, and why
cli-creation scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 526 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLI Creation
Build professional, delightful command-line applications that follow established conventions and modern best practices.
When to Use This Skill
- Creating new CLI tools or utilities
- Adding command-line interfaces to existing applications
- Refactoring CLI programs for better usability
- User asks to "build a CLI", "create a command-line tool", or "add CLI commands"
Core Philosophy
Human-First Design
Design for humans first, machines second. The CLI is a text-based UI, not just a scripting interface.
Simple Parts That Work Together
Follow UNIX philosophy: small programs with clean interfaces that compose via pipes and standard I/O.
Consistency
Follow existing patterns. Terminal conventions are muscle memory—don't break expectations.
Ease of Discovery
Help users learn. Provide comprehensive help, examples, and suggestions.
Robustness
Handle errors gracefully. Be responsive. Show progress for long operations.
Project Structure
mycli/
├── src/
│ ├── main.{ts,py,go,rs} # Entry point
│ ├── commands/ # Subcommands
│ │ ├── init.{ts,py,go,rs}
│ │ └── run.{ts,py,go,rs}
│ ├── utils/
│ │ ├── output.{ts,py,go,rs} # Colors, formatting
│ │ └── config.{ts,py,go,rs} # Configuration handling
│ └── types.{ts,py,go,rs}
├── tests/
├── README.md
└── package.json / pyproject.toml / go.mod / Cargo.toml
Recommended Libraries
| Language | Library | Notes |
|---|---|---|
| Node.js | oclif, Commander | oclif for complex CLIs, Commander for simple |
| Python | Typer, Click | Typer uses type hints, Click is battle-tested |
| Go | Cobra, urfave/cli | Cobra powers kubectl, Hugo, GitHub CLI |
| Rust | clap | Derive macros for type-safe parsing |
| Deno | parseArgs | Built-in standard library |
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago First seen · 526 lines · 42 tokens per session scan A a7517841250a
cli-creation is a skill published in the GitHub repository shyamsridhar123/agentsmith-cli (16 stars, last pushed 5d ago), licensed MIT. It adds 42 tokens to every session and 3,385 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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