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/sequenzia/agent-alchemy/oc-create-skillnpx skills add sequenzia/agent-alchemy --skill oc-create-skillgit clone --depth 1 https://github.com/sequenzia/agent-alchemyWrote 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/sequenzia/agent-alchemy/oc-create-skill)<a href="https://agentmods.dev/skills/sequenzia/agent-alchemy/oc-create-skill"><img src="https://agentmods.dev/badge/skills/sequenzia/agent-alchemy/oc-create-skill.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 | $0.00062 | $0.01731 |
| Opus 5 | $0.00031 | $0.00865 |
| Sonnet 5 | $0.00012 | $0.00346 |
| Haiku 4.5 | $0.00006 | $0.00173 |
Grade A, and why
oc-create-skill 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 3d 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 — 230 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create OpenCode Skill
You are initiating the OpenCode skill creation workflow. This process guides the user through an interactive interview to gather requirements, generates a properly formatted SKILL.md file, and validates the result.
Critical Rules
AskUserQuestion is MANDATORY
IMPORTANT: You MUST use the AskUserQuestion tool for ALL questions to the user. Never ask questions through regular text output.
- Every interview question → AskUserQuestion
- Confirmation questions → AskUserQuestion
- Clarifying questions → AskUserQuestion
Text output should only be used for summaries, explanations, and presenting information.
Phase 1: Load References
Read the OpenCode platform overview and skill guide:
- Read
${CLAUDE_PLUGIN_ROOT}/references/platform-overview.md - Read
${CLAUDE_PLUGIN_ROOT}/references/skill-guide.md
Store the reference content internally for use throughout the workflow.
Phase 2: Interview
Gather requirements through a structured interview using AskUserQuestion.
Round 1: Basics
Ask these questions using AskUserQuestion (max 4 per call):
Question 1 — Skill Name:
- Header: "Skill Name"
- Question: "What should this skill be named? Use kebab-case (e.g.,
code-review,deploy-check)." - Options:
- "I'll type the name" — Let me provide a custom name
Question 2 — Purpose:
- Header: "Purpose"
- Question: "What does this skill do? Describe its main function."
- Options:
- "Code analysis" — Analyzes code for patterns, issues, or quality
- "Workflow automation" — Automates a multi-step process
- "Content generation" — Generates code, docs, or other content
Question 3 — User-Invocable:
- Header: "Invocable"
- Question: "Should users be able to invoke this skill directly (via
/skill-name)?" - Options:
- "Yes (Recommended)" — Users can invoke it from the command dialog
- "No" — Helper skill only loaded by other skills
- multiSelect: false
Round 2: Details
Question 1 — Target Audience:
- Header: "Audience"
- Question: "Who is the primary user of this skill?"
- Options:
- "Developers" — Software developers working on code
- "DevOps/SRE" — Operations and reliability engineers
- "All users" — General-purpose, no specific expertise needed
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.
- 3d ago First seen · 230 lines · 62 tokens per session scan A 8486e2df126f
oc-create-skill is a skill published in the GitHub repository sequenzia/agent-alchemy (43 stars, last pushed 3mo ago), licensed MIT. It adds 62 tokens to every session and 1,731 once invoked, about $0.0003 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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