5w1h-analysis

5w1h-analysis is a skill for Claude Code, Codex from fzfclee/consulting-skills. It costs 69 tokens per session (811 once invoked), scanned A, original, Apache-2.0.

A simple fact-clarification method based on who, what, when, where, why, and how, known as 5W1H.

In plain words
What is it for?
Use it to identify stakeholders, events, timing, location, current explanations, desired outcomes, and missing information.
Why use it?
It helps turn a messy situation or request into a clear basic description before deeper analysis.

Skill for Claude CodeCodex

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

Good fit Use it to identify stakeholders, events, timing, location, current explanations, desired outcomes, and missing information.

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Install with agentmods
npx agentmods add skills/fzfclee/consulting-skills/5w1h-analysis
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 fzfclee/consulting-skills --skill 5w1h-analysis
Clone the repo
git clone --depth 1 https://github.com/fzfclee/consulting-skills

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 5w1h-analysis

README.md
[![agentmods](https://agentmods.dev/badge/skills/fzfclee/consulting-skills/5w1h-analysis/github.svg)](https://agentmods.dev/skills/fzfclee/consulting-skills/5w1h-analysis)
Your own site
<a href="https://agentmods.dev/skills/fzfclee/consulting-skills/5w1h-analysis"><img src="https://agentmods.dev/badge/skills/fzfclee/consulting-skills/5w1h-analysis/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 5w1h-analysis

Your own site · 80×15
<a href="https://agentmods.dev/skills/fzfclee/consulting-skills/5w1h-analysis"><img src="https://agentmods.dev/badge/skills/fzfclee/consulting-skills/5w1h-analysis.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 69 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 811 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 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 $0.00069 $0.00811
Opus 5 $0.00034 $0.00405
Sonnet 5 $0.00014 $0.00162
Haiku 4.5 $0.00007 $0.00081

Measured 12d ago against content hash 5fd6792e7b85, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

5w1h-analysis 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 12d 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/5w1h-analysis/SKILL.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

5W1H Analysis

Use this skill to clarify the basic facts of a situation before deeper analysis.

Method Notes

  • 5W1H means Who, What, When, Where, Why, and How.
  • It is a simple clarification method, not a full diagnosis.
  • It is useful when the input is messy, missing basic context, or mixing facts and interpretations.
  • The method should produce clear missing-information questions and a sharper problem statement.

Required Inputs

Collect or infer these inputs before execution:

  • raw situation description
  • known stakeholders or actors
  • event, problem, decision, or plan
  • timing and location or context
  • current explanation or desired outcome

If an input is missing, mark it as unknown and add a targeted question.

When Not To Use

Do not use as evidence grading, root-cause proof, or strategic diagnosis. Use evidence-map when source quality and confidence matter; use five-whys-root-cause only after the observed problem is clear. Stop after the basic situation frame is complete.

Step-by-Step Execution

Step Required input How to execute Output
Clarify who Stakeholders, actors, owners, affected parties. Identify who is involved, who decides, who acts, and who is affected. Who map.
Clarify what Event, decision, problem, action, object. State what happened, what is being decided, or what must be done. What statement.
Clarify when Timing, sequence, deadline, frequency. Record when it happened, when it changed, and when action is needed. Timing view.
Clarify where Location, channel, process step, market, context. State where the issue appears or where action must happen. Context boundary.
Clarify why Stated purpose, reason, motive, cause, expected value. Separate stated reason from inferred reason. Why view.
Clarify how Process, mechanism, approach, resources. Describe how it happens now and how action could happen. How view.
Summarize gaps Unknown fields. Convert missing or weak fields into precise questions. Clarification questions.

Read the full file on GitHub · 79 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. 12d ago First seen · 79 lines · 69 tokens per session scan A 5fd6792e7b85

Subscribe to this mod's changes

5w1h-analysis is a skill published in the GitHub repository fzfclee/consulting-skills (4 stars, last pushed 24d ago), licensed Apache-2.0. It adds 69 tokens to every session and 811 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 2026-08-31.