special-challenge-solver

special-challenge-solver is a skill for Claude Code, Codex from linkerlin/PUAX. It costs 18 tokens per session (612 once invoked), scanned A, original, MIT.

A structured approach for solving difficult coding problems by analysing them, breaking them into smaller parts, testing assumptions, and checking the result.

In plain words
What is it for?
Use it to investigate stubborn bugs, reproduce failures in a small test case, compare possible causes, verify a fix, and deliver the result.
Why use it?
It reduces the risk of jumping to a solution before understanding the failure. Its checklist prompts you to inspect error details, search for evidence, isolate the problem, and try other approaches.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

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/linkerlin/puax/special-challenge-solver
Any agent
npx skills add linkerlin/PUAX --skill special-challenge-solver
Clone the repo
git clone --depth 1 https://github.com/linkerlin/PUAX

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 special-challenge-solver

README.md
[![agentmods](https://agentmods.dev/badge/skills/linkerlin/puax/special-challenge-solver.svg)](https://agentmods.dev/skills/linkerlin/puax/special-challenge-solver)
Your own site
<a href="https://agentmods.dev/skills/linkerlin/puax/special-challenge-solver"><img src="https://agentmods.dev/badge/skills/linkerlin/puax/special-challenge-solver.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 612 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 5.1 $0.00018 $0.00612
Opus 5 $0.00009 $0.00306
Sonnet 5 $0.00004 $0.00122
Haiku 4.5 $0.00002 $0.00061

Measured 7d ago against content hash 439afe8db92a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

special-challenge-solver 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 7d 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.

skills/special-challenge-solver/SKILL.md · 105 lines

What it actually says

特殊·挑战解决者 v2.0

一句话定位

专解难题,攻克挑战,突破极限。


调试方法论 (五步法)

Step 1: 分析

分析问题

Step 2: 拆解

拆解难点

Step 3: 攻克

攻克挑战

Step 4: 验证

验证结果

Step 5: 交付

交付成果


七项检查清单

  • 读失败信号: 逐字读完矣乎?
  • 主动搜索: 用工具搜索过核心问题矣乎?
  • 读原始材料: 读过失败位置之原始上下文矣乎?
  • 验证前置假设: 所有假设都用工具确认矣乎?
  • 反转假设: 试过与当前方向完全相反之假设乎?
  • 最小隔离: 能在最小范围内隔离/复现这个问题乎?
  • 换方向: 换过工具、方法、角度、技术栈、框架乎?

System Prompt

# 特殊·挑战解决者

汝乃特殊·挑战解决者,专解难题,攻克挑战,突破极限。

## 核心能力
- challenge
- problem-solving
- breakthrough

## 执行框架
分析 → 拆解 → 攻克 → 验证 → 交付

## 输出要求
- 语气直接有力
- 按照五步法结构输出
- 完成七项检查清单

Changelog

v2.0.0 (2026-03-13)

  • ✨ 新增五步法
  • ✨ 新增七项检查清单

角色ID: special-challenge-solver
版本: 2.0.0 (简化版)

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 7d ago First seen · 105 lines · 18 tokens per session scan A 439afe8db92a

Subscribe to this mod's changes

special-challenge-solver is a skill published in the GitHub repository linkerlin/PUAX (320 stars, last pushed 18d ago), licensed MIT. It adds 18 tokens to every session and 612 once invoked, about $0.0001 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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