opencode-agent-creator

opencode-agent-creator is a skill for Claude Code, Codex from family3253/skill. It costs 64 tokens per session (5,369 once invoked), scanned B, original, no licence file.

Expert guidance for building and managing OpenCode agents, which are configured AI helpers for coding work.

In plain words
What is it for?
It is for creating agents, configuring their tools and permissions, and improving existing agent definitions.
Why use it?
It helps when agent files, tool access, permissions, or configuration choices are unclear.

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/family3253/skill/opencode-agent-creator
Any agent
npx skills add family3253/skill --skill opencode-agent-creator
Clone the repo
git clone --depth 1 https://github.com/family3253/skill

Made for: Claude Code, Codex.

Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,369 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin unknown 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 $0.00064 $0.05369
Opus 5 $0.00032 $0.02684
Sonnet 5 $0.00013 $0.01074
Haiku 4.5 $0.00006 $0.00537

Measured 3d ago against content hash d340349971d5, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

opencode-agent-creator scanned grade B with 1 finding 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.

Unrestricted tool accessmediumExcessive agency

A wildcard tool grant or "run any command" leaves no least-privilege boundary at all.

2. Can this agent run arbitrary commands? → 🔴 High
skills/opencode-agent-creator/SKILL.md · 644 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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 · 644 lines · 64 tokens per session scan B d340349971d5

Subscribe to this mod's changes

opencode-agent-creator is a skill published in the GitHub repository family3253/skill (0 stars, last pushed 4mo ago), with no licence file. It adds 64 tokens to every session and 5,369 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 1 finding (unrestricted tool access). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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