oc-create-agent

oc-create-agent is a skill for Claude Code, Codex from sequenzia/agent-alchemy. It costs 58 tokens per session (2,078 once invoked), scanned A, original, MIT.

An interactive guide for creating an OpenCode agent, which is a configured helper for coding tasks. It gathers the agent’s purpose and settings, then creates and validates its Markdown configuration file.

In plain words
What is it for?
Use it when creating a new OpenCode agent for code review, code generation, testing, or another defined role. It helps decide the agent’s name, purpose, permissions, and instructions.
Why use it?
It removes the need to learn the required file format and permissions by hand. It also checks that the generated agent follows OpenCode’s expected structure.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/sequenzia/agent-alchemy/oc-create-agent
Any agent
npx skills add sequenzia/agent-alchemy --skill oc-create-agent
Clone the repo
git clone --depth 1 https://github.com/sequenzia/agent-alchemy

Made for: Claude Code, Codex.

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.

agentmods badge for oc-create-agent

README.md
[![agentmods](https://agentmods.dev/badge/skills/sequenzia/agent-alchemy/oc-create-agent.svg)](https://agentmods.dev/skills/sequenzia/agent-alchemy/oc-create-agent)
Your own site
<a href="https://agentmods.dev/skills/sequenzia/agent-alchemy/oc-create-agent"><img src="https://agentmods.dev/badge/skills/sequenzia/agent-alchemy/oc-create-agent.svg" alt="Measured on agentmods" height="20"></a>
Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,078 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00058 $0.02078
Opus 5 $0.00029 $0.01039
Sonnet 5 $0.00012 $0.00416
Haiku 4.5 $0.00006 $0.00208

Measured 3d ago against content hash 03975390102a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

oc-create-agent 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.

claude/opencode-tools/skills/oc-create-agent/SKILL.md · 276 lines

How it starts

The opening of the file, as written. The whole thing — 276 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create OpenCode Agent

You are initiating the OpenCode agent creation workflow. This process guides the user through an interactive interview to gather requirements, generates a properly formatted agent markdown file with permissions and system prompt, 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.


Phase 1: Load References

Read the OpenCode platform overview and agent guide:

  1. Read ${CLAUDE_PLUGIN_ROOT}/references/platform-overview.md
  2. Read ${CLAUDE_PLUGIN_ROOT}/references/agent-guide.md

Phase 2: Interview

Gather requirements through a structured interview.

Round 1: Identity

Question 1 — Agent Name:

  • Header: "Agent Name"
  • Question: "What should this agent be named? Use kebab-case (e.g., code-reviewer, test-runner)."
  • Options:
    • "I'll type the name" — Let me provide a custom name

Question 2 — Purpose:

  • Header: "Purpose"
  • Question: "What does this agent do? Describe its main function."
  • Options:
    • "Code analysis" — Reviews or analyzes code
    • "Code generation" — Writes new code or modifies existing code
    • "Research" — Gathers information from docs, web, or codebase
    • "Automation" — Executes multi-step workflows

Question 3 — Mode:

  • Header: "Mode"
  • Question: "How will this agent be used?"
  • Options:
    • "Primary (Recommended)" — Interactive agent the user switches to via @name
    • "Subagent" — Spawned by other skills/agents via the task tool
    • "Both" — Works as primary and subagent
  • multiSelect: false

Round 2: Model & Behavior

Question 1 — Model Tier:

  • Header: "Model"
  • Question: "What model tier should this agent use?"
  • Options:
    • "Sonnet (Recommended)" — Good balance of capability and speed
    • "Opus" — Maximum reasoning capability for complex tasks
    • "Haiku" — Fast and lightweight for simple tasks
    • "Default" — Use the session's current model
  • multiSelect: false

Read the full file on GitHub · 276 lines

Changes

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.

  1. 3d ago First seen · 276 lines · 58 tokens per session scan A 03975390102a

Subscribe to this mod's changes

oc-create-agent is a skill published in the GitHub repository sequenzia/agent-alchemy (43 stars, last pushed 3mo ago), licensed MIT. It adds 58 tokens to every session and 2,078 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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