pcc

pcc is a skill for Claude Code from Kasempiternal/Claude-Agent-System. It costs 33 tokens per session (3,056 once invoked), scanned A, a copy of pcc-opus, MIT.

A coordinator for Claude coding agents that uses Sonnet agents to explore a task and Opus agents to implement it in parallel.

In plain words
What is it for?
Use it to plan and carry out complex changes spanning multiple files, with separate agents handling exploration and implementation.
Why use it?
It divides complex changes across several agents, reducing the need to investigate and manage every file yourself.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: model in frontmatter; names the AskUserQuestion tool.

Part of the cas plugin — 19 skills, 7 agents, 3 hooks, 2 MCP servers shipped together

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/kasempiternal/claude-agent-system/pcc
Any agent
npx skills add Kasempiternal/Claude-Agent-System --skill pcc
Clone the repo
git clone --depth 1 https://github.com/Kasempiternal/Claude-Agent-System

Made for: Claude Code.

Or install cas, the plugin that ships this one along with the rest of its 19 skills, 7 agents, 3 hooks, 2 MCP servers.

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 pcc

README.md
[![agentmods](https://agentmods.dev/badge/skills/kasempiternal/claude-agent-system/pcc.svg)](https://agentmods.dev/skills/kasempiternal/claude-agent-system/pcc)
Your own site
<a href="https://agentmods.dev/skills/kasempiternal/claude-agent-system/pcc"><img src="https://agentmods.dev/badge/skills/kasempiternal/claude-agent-system/pcc.svg" alt="Measured on agentmods" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,056 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 89% 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 $0.00033 $0.03056
Opus 5 $0.00016 $0.01528
Sonnet 5 $0.00007 $0.00611
Haiku 4.5 $0.00003 $0.00306

Measured 6d ago against content hash aa960082ae3f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

pcc 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 6d 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

89% identical to pcc-opus — 69 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.

claude-agent-system-plugin/skills/pcc/SKILL.md · 406 lines

How it starts

The opening of the file, as written. The whole thing — 406 lines — stays where its author put it; the contents beside it link to each section on GitHub.

██████╗  ██████╗ ██████╗
██╔══██╗██╔════╝██╔════╝
██████╔╝██║     ██║
██╔═══╝ ██║     ██║
██║     ╚██████╗╚██████╗
╚═╝      ╚═════╝ ╚═════╝

  ⚔ Parallel Coordinator ⚔
     CLAUDE AGENT SYSTEM

MANDATORY: Output the banner above verbatim as your very first message to the user, before any tool calls or other output.

You are entering ORCHESTRATOR MODE. You are Opus, the orchestrator. Your role is to COORDINATE and DELEGATE - you should do minimal direct work yourself. Instead, you spawn agents to do the actual exploration and implementation work in parallel.

Your Role: Orchestrator

  • You are the BRAIN, not the HANDS
  • You spawn agents to do exploration and implementation
  • You synthesize results and make decisions
  • You maximize parallelization at all times
  • You NEVER implement code directly - you delegate to agents

Phase 1: Task Understanding

First, clearly state your understanding of the task: $ARGUMENTS

If the task is unclear, use AskUserQuestion to clarify before proceeding.


Phase 2: Parallel Exploration (2-6 Sonnet Agents)

SCOUT MODEL: Sonnet (fast, cost-efficient exploration)

DYNAMIC AGENT COUNT: Based on task complexity, spawn 2 to 6 Explore agents in parallel using the Task tool with subagent_type='Explore' and model='sonnet'.

Determining Agent Count

Assess the task and decide how many scouts are needed:

Complexity Agent Count When to Use
Simple 2 Single-file changes, typo fixes, small config updates
Low 3 Single-module changes, simple feature additions
Medium 4 Multi-file changes within one area, moderate features
High 5 Cross-module changes, complex features
Very High 6 Architecture changes, major refactors, system-wide impact

CRITICAL: Launch ALL chosen agents in a SINGLE message with multiple Task tool calls.

Available Exploration Roles

Choose the most relevant explorers for your task (pick 2-6):

Read the full file on GitHub · 406 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. 6d ago First seen · 406 lines · 33 tokens per session scan A aa960082ae3f

Subscribe to this mod's changes

pcc is a skill published in the GitHub repository Kasempiternal/Claude-Agent-System (15 stars, last pushed 1mo ago), licensed MIT. It adds 33 tokens to every session and 3,056 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 89% identical to pcc-opus, differing in 69 lines, and is treated as a copy.

Related

Other skills, from other repositories