04-operation

04-operation is a skill for Claude Code, Codex from miyatti777/ai-plc. It costs 45 tokens per session (707 once invoked), scanned A, a copy of 01-collection, MIT.

A workflow stage that executes planned backlog tasks, creates their deliverables, verifies the results, updates statuses, and propagates relevant changes.

In plain words
What is it for?
Use it to carry out AI-PLC tasks according to agent definitions, run knowledge or platform checks when required, and record verification results.
Why use it?
It connects project plans to actual outputs and includes required checks before work is marked complete.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: reads .claude/ paths; mentions subagents; mentions Claude Code.

Good fit Use it to carry out AI-PLC tasks according to agent definitions, run knowledge or platform checks when required, and record verification results.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/miyatti777/ai-plc/04-operation
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.

Any agent
npx skills add miyatti777/ai-plc --skill 04-operation
Clone the repo
git clone --depth 1 https://github.com/miyatti777/ai-plc

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 04-operation

README.md
[![agentmods](https://agentmods.dev/badge/skills/miyatti777/ai-plc/04-operation/github.svg)](https://agentmods.dev/skills/miyatti777/ai-plc/04-operation)
Your own site
<a href="https://agentmods.dev/skills/miyatti777/ai-plc/04-operation"><img src="https://agentmods.dev/badge/skills/miyatti777/ai-plc/04-operation/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for 04-operation

Your own site · 80×15
<a href="https://agentmods.dev/skills/miyatti777/ai-plc/04-operation"><img src="https://agentmods.dev/badge/skills/miyatti777/ai-plc/04-operation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 707 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% copy Near-identical to another mod 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 5.1 $0.00045 $0.00707
Opus 5 $0.00023 $0.00353
Sonnet 5 $0.00009 $0.00141
Haiku 4.5 $0.00005 $0.00071

Measured 9d ago against content hash ff2702af39cf, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

04-operation 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 9d 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.

Origin

This is a copy

86% identical to 01-collection — 22 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

codex/skills/ai-plc/04-operation/SKILL.md · 35 lines

What it actually says

Codex adapter: AI-PLC Stage 4

このadapterはCodex固有の入口だけを提供し、処理本文は.claude互換runtimeの正本を使う。

前提確認(変更前に必須)

repository root基準で、次の4ファイルがregular fileとして存在し読めることを確認する。

  • .claude/skills/ai-plc/04-operation/SKILL.md
  • .claude/rules/ai-plc-system.md
  • .claude/rules/ai-plc-session.md
  • .claude/rules/ai-plc-adaptive.md

1件でも欠落・読取不能なら、成果物、backlog、context、DB、Wikiその他のファイルを変更せず、欠落pathを列挙して停止する。

実行

  1. 必須3 Rulesを上記順で最後まで読む。
  2. 正本.claude/skills/ai-plc/04-operation/SKILL.mdを最後まで読む。
  3. Knowledge Lintでは.claude/skills/ai-plc/04-operation/knowledge-lint.md、Platform Builderでは同階層のplatform-builder.mdを読む。
  4. DB、Wiki、Rules、Templatesは正本に記載された.claude/配下へ解決する。
  5. Claude Codeのスラッシュ形式は、Codexでは対応する$skill-nameへ変換する。Claude CodeのAgent toolは利用可能なCodex sub-agentへ変換する。
  6. 正本Phase 5.5のmaker≠checker規定は、Codex sub-agent reviewerを起動する明示的要求として扱う。Agent定義のdelegable: falseは成果物作成の委譲だけを禁止し、独立reviewerを禁止しない。
  7. reviewerが利用不能、起動失敗、または出力未取得の場合だけ正本のセルフ検証fallbackを使用し、理由をVerification recordへ記録する。
  8. Phase 7を含め、正本のClaude Code native memory参照を~/.claudeへ解決してはならない。Codexでは読取・更新とも行わず、Propagationへ変更なし — スキップ(Codex adapter: Claude native memory非対象)と記録する。

Read-only diagnostics

ユーザーがAI-PLC prerequisite diagnosticsを明示した場合は正本のStage処理を実行せず、変更0で停止する。正本Skillと必須3 Rulesの4件ごとにabsolute_pathsha256、最初のH1、末尾のversion行をprerequisite_diagnosticsとして返す。4件のいずれかが欠落・読取不能ならstatus: blockedと対象pathを返す。Rules 3件は併せてrule_diagnosticsとして識別できるようにする。

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. 9d ago First seen · 35 lines · 45 tokens per session scan A ff2702af39cf

Subscribe to this mod's changes

04-operation is a skill published in the GitHub repository miyatti777/ai-plc (45 stars, last pushed 1mo ago), licensed MIT. It adds 45 tokens to every session and 707 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to 01-collection, differing in 22 lines, and is treated as a copy.

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