Getting it into your agent
There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.
Wrote 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/cassianflorin/skill-hub-registry/go-cli-development)<a href="https://agentmods.dev/skills/cassianflorin/skill-hub-registry/go-cli-development"><img src="https://agentmods.dev/badge/skills/cassianflorin/skill-hub-registry/go-cli-development.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 5.1 | $0.00000 | $0.00157 |
| Opus 5 | $0.00000 | $0.00078 |
| Sonnet 5 | $0.00000 | $0.00031 |
| Haiku 4.5 | $0.00000 | $0.00016 |
Grade A, and why
go-cli-development 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 5d 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.
What it actually says
Go CLI Development
Use this skill when changing a Go command-line application.
Instructions
- Start from the command behavior and its tests.
- Prefer table-driven tests for parser, filter, and formatter behavior.
- Keep command output stable and easy to parse.
- Return errors from command handlers instead of exiting deep in library code.
- Use
gofmtbefore final verification. - Run targeted tests first, then the full suite and build.
Verification
go test ./...
go build -v ./cmd/<binary>
git diff --check
Output Design
- Use tabs for machine-readable list output.
- Include enough fields for users to decide the next command.
- Keep detailed metadata in
infocommands rather than crowded list views.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 5d ago First seen · 27 lines · 0 tokens per session scan A 8abfaeddcd5f
go-cli-development is a skill published in the GitHub repository CassianFlorin/skill-hub-registry (2 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 157 tokens. 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 2026-08-31.
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