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/richfrem/agent-plugins-skills/create-commandnpx skills add richfrem/agent-plugins-skills --skill create-commandgit clone --depth 1 https://github.com/richfrem/agent-plugins-skillsWrote 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/richfrem/agent-plugins-skills/create-command)<a href="https://agentmods.dev/skills/richfrem/agent-plugins-skills/create-command"><img src="https://agentmods.dev/badge/skills/richfrem/agent-plugins-skills/create-command.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 | $0.00040 | $0.03171 |
| Opus 5 | $0.00020 | $0.01586 |
| Sonnet 5 | $0.00008 | $0.00634 |
| Haiku 4.5 | $0.00004 | $0.00317 |
Grade A, and why
create-command 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 today.
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 — 370 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Dependencies
This skill requires Python 3.8+ and standard library only. No external packages needed.
To install this skill's dependencies:
pip-compile ./requirements.in
pip install -r ./requirements.txt
See ../../requirements.txt for the dependency lockfile (currently empty — standard library only).
Slash Command Designer
Slash commands are reusable Markdown prompts that Claude executes when invoked with
/command-name. They provide consistency, efficiency, and shareability for common
workflows. Commands can be simple prompts or powerful multi-step workflows using dynamic
arguments, file references, bash execution, and integration with agents and skills.
Reference files for deep dives:
references/frontmatter-reference.md-- full list of all frontmatter fieldsreferences/interactive-commands.md-- AskUserQuestion, conditional logicreferences/advanced-workflows.md-- multi-step, multi-component patternsreferences/plugin-features-reference.md-- ${CLAUDE_PLUGIN_ROOT}, bash execution syntaxreferences/examples/simple-commands.md-- copy-ready simple command templatesreferences/examples/plugin-commands.md-- copy-ready plugin command templates
The Most Important Rule
Commands are instructions FOR Claude, not messages TO the user.
When /command-name is invoked, the command body becomes Claude's instructions. Write
what Claude should DO, not what the user will see.
# CORRECT -- tells Claude what to do:
Review this code for security vulnerabilities:
- SQL injection
- XSS attacks
- Authentication bypass
Provide specific line numbers and severity ratings.
# WRONG -- addresses the user, not Claude:
This command will review your code for security issues.
You will receive a report with vulnerability details.
Step 1: Understand the Use Case
Extract from context first. Ask only what is unclear.
Core questions:
- What workflow should this automate? One command, one purpose.
What ships with it
60 files 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.
- acceptance-criteria.md 464 B
- assets/templates/agent.md.jinja 43 B
- assets/templates/command.md.jinja 45 B
- assets/templates/execute.py.jinja 45 B
- assets/templates/README.md.jinja 44 B
- assets/templates/SKILL.md.jinja 43 B
- evals/evals.json 880 B
- evals/results.tsv 417 B
- fallback-tree.md 1.4 KB
- references/acceptance-criteria.md 42 B
- references/advanced-workflows.md 41 B
- references/examples/plugin-commands.md 50 B
- references/examples/plugin-features-reference.md 60 B
- references/examples/simple-commands.md 50 B
- references/examples/SKILL.md 40 B
- references/fallback-tree.md 36 B
- references/frontmatter-reference.md 44 B
- references/hitl-interaction-design.md 46 B
- references/interactive-commands.md 43 B
- references/pattern-decision-matrix.md 46 B
- references/patterns/action-forcing-output-with-deadline-attribution.md 82 B
- references/patterns/adversarial-objectivity-constraint.md 69 B
- references/patterns/anti-pattern-vaccination.md 59 B
- references/patterns/anti-symptom-triage.md 54 B
- references/patterns/artifact-embedded-execution-audit-trail.md 74 B
- references/patterns/artifact-generation-xss-compliance-gate.md 74 B
- references/patterns/artifact-lifecycle.md 53 B
- references/patterns/artifact-state-interrogative-routing.md 71 B
- references/patterns/asynchronous-benchmark-metric-capture.md 72 B
- references/patterns/audience-segmented-information-filtering.md 75 B
- references/patterns/category-calibrated-benchmark-anchoring.md 74 B
- references/patterns/category-semantic-deferred-tool-binding.md 74 B
- references/patterns/chained-command-invocation.md 61 B
- references/patterns/chained-commands.md 51 B
- references/patterns/client-side-compute-sandbox-constraint.md 73 B
- references/patterns/complexity-tiered-output.md 59 B
- references/patterns/conditional-step-inclusion.md 61 B
- references/patterns/connector-placeholders.md 57 B
- references/patterns/cyclical-state-propagation-contract.md 70 B
- references/patterns/delegated-constraint-verification-loop.md 73 B
- references/patterns/dual-mode-degradation.md 56 B
- references/patterns/dual-mode-meta-skill.md 55 B
- references/patterns/dual-register-communication-enforcement.md 74 B
- references/patterns/dynamic-specification-fetching.md 65 B
- references/patterns/embedded-deterministic-scoring-formula.md 73 B
- references/patterns/escalation-taxonomy.md 54 B
- references/patterns/evals.json 42 B
- references/patterns/explicit-seed-anchored-determinism.md 69 B
- references/patterns/graduated-autonomy.md 53 B
- references/patterns/graduated-source-attributed-elicitation.md 74 B
- references/patterns/highly-procedural-fallback-trees.md 67 B
- references/patterns/iteration-directory-isolation.md 64 B
- references/patterns/lifecycle-aware-knowledge.md 60 B
- references/patterns/local-interactive-output-viewer-loop.md 71 B
- references/patterns/mandatory-counterfactual-scenario-templating.md 79 B
- references/patterns/mode-invariant-compliance-gate.md 65 B
- references/patterns/multi-actor-operational-coordination-manifest.md 80 B
- references/patterns/multi-dimensional-tone.md 57 B
- references/patterns/multi-modal-routing.md 54 B
- references/patterns/multi-source-synthesis.md 57 B
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.
- today First seen · 370 lines · 40 tokens per session scan A 3e75972c27af
create-command is a skill published in the GitHub repository richfrem/agent-plugins-skills (6 stars, last pushed today), licensed MIT. It adds 40 tokens to every session and 3,171 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 2026-09-03.
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