Agent skill

Porter Five Forces

by revfactory in revfactory/harness-100

Porter의 5 Forces 분석을 체계적으로 수행하는 방법론. An agent skill from revfactory/harness-100.

Apache-2.0Auto-check passed

Install Porter Five Forces

skills CLI
$ npx skills add revfactory/harness-100 --skill porter-five-forces -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install revfactory/harness-100 porter-five-forces --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/revfactory/harness-100.git skills-src && mkdir -p .claude/skills && cp -r skills-src/ko/44-market-research/.claude/skills/porter-five-forces .claude/skills/porter-five-forces && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
porter-five-forces
GitHub stars
1.3k
Token cost
~643 tokens
SKILL.md length
245 words
Files
1
Skills in repo
464
Repo updated
First seen
Licence
Apache-2.0

At a glance

Porter의 5 Forces 분석을 체계적으로 수행하는 방법론. An agent skill from revfactory/harness-100.

  • SKILL.md covers 대상 에이전트, Five Forces 프레임워크, Force 1: 기존 기업 간 경쟁 강도 and Force 2: 신규 진입 위협, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Porter Five Forces is an agent skill from revfactory/harness-100. Porter의 5 Forces 분석을 체계적으로 수행하는 방법론. 'Porter 분석', '5 Forces', '산업 경쟁 분석', '진입 장벽 분석', '산업 매력도' 등 산업 구조 분석 시 사용한다. 단, 재무제표 심층 분석, M&A 자문은 이 스킬의 범위가 아니다.

Its SKILL.md is about 640 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The licence is Apache-2.0.

Example prompts

  • “Porter 분석”
  • “5 Forces”
  • “/porter-five-forces”

What it can do on your machine

Read from SKILL.md and the folder at commit 8e8d35c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Porter Five Forces loads about 643 tokens when it runs. Until then it costs about 43 tokens; SKILL.md has 245 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~43
When it runs · the whole SKILL.md, loaded when a task matches
~643

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from revfactory/harness-100 at commit 8e8d35c, republished under its Apache-2.0 licence (© revfactory). 245 words, ~643 tokens.

Download SKILL.mdSave it as .claude/skills/porter-five-forces/SKILL.md (or your agent's skills folder).
name
porter-five-forces
description
Porter의 5 Forces 분석을 체계적으로 수행하는 방법론. 'Porter 분석', '5 Forces', '산업 경쟁 분석', '진입 장벽 분석', '산업 매력도' 등 산업 구조 분석 시 사용한다. 단, 재무제표 심층 분석, M&A 자문은 이 스킬의 범위가 아니다.

Porter Five Forces — 산업 경쟁 구조 분석 방법론

industry-analyst와 competitor-analyst의 산업 분석을 강화하는 스킬.

대상 에이전트

  • industry-analyst — 산업의 구조적 매력도를 평가한다
  • competitor-analyst — 경쟁 환경을 다차원으로 분석한다

Five Forces 프레임워크

                 [신규 진입 위협]
                      ↓
[공급자 교섭력] ← [기존 경쟁 강도] → [구매자 교섭력]
                      ↑
                 [대체재 위협]

Force 1: 기존 기업 간 경쟁 강도

평가 항목
요인높은 경쟁 (불리)낮은 경쟁 (유리)
경쟁사 수많고 규모 비슷적거나 1강 체제
시장 성장률정체/감소빠른 성장
제품 차별화낮음 (범용)높음 (전문)
고정비 비중높음낮음
전환 비용낮음높음
퇴출 장벽높음낮음
점수 체계 (1-5)
1점: 경쟁 거의 없음 (매우 유리)
2점: 경쟁 약함
3점: 보통
4점: 경쟁 심함
5점: 초과경쟁 (매우 불리)

Force 2: 신규 진입 위협

진입 장벽높은 장벽 (유리)낮은 장벽 (불리)
규모의 경제대량생산 필요소규모 가능
자본 요구대규모 초기투자소자본 가능
전환 비용높음낮음
유통 채널기존사 장악디지털 접근 용이
특허/기술핵심 특허 보유오픈소스/범용
정부 규제라이선스 필요규제 없음
브랜드 충성도강한 브랜드브랜드 미약

Force 3: 대체재 위협

요인높은 위협 (불리)낮은 위협 (유리)
대체재 성능우수하거나 유사열등
가격 대비 성능대체재 우위기존 제품 우위
전환 비용낮음높음
구매자 전환 성향높음낮음
대체재 유형
1. 직접 대체: 동일 기능의 다른 제품
2. 간접 대체: 다른 방식으로 동일 니즈 충족
3. 비소비: 아예 사용하지 않는 선택

Force 4: 공급자 교섭력

요인높은 교섭력 (불리)낮은 교섭력 (유리)
공급자 집중도소수 독과점다수 분산
대체 공급자없음다수
전환 비용높음낮음
전방 통합 위협있음없음
구매량 비중작음큼

Force 5: 구매자 교섭력

요인높은 교섭력 (불리)낮은 교섭력 (유리)
구매자 집중도소수 대형다수 분산
구매 물량대량소량
전환 비용낮음높음
가격 민감도높음낮음
후방 통합 위협있음없음
정보 접근성완전제한적

종합 분석 매트릭스

markdown
| Force | 점수(1-5) | 수준 | 핵심 근거 |
|-------|----------|------|----------|
| 기존 경쟁 | 4 | 높음 | 다수 경쟁사, 낮은 차별화 |
| 신규 진입 | 2 | 낮음 | 높은 기술 장벽, 규제 |
| 대체재 | 3 | 중간 | 간접 대체재 존재 |
| 공급자 | 2 | 낮음 | 다수 공급자, 표준 부품 |
| 구매자 | 4 | 높음 | 가격 비교 용이, 낮은 전환비 |
| **산업 매력도** | **3.0** | **보통** | |

산업 매력도 = (5 - 평균점수) / 4 × 100
  80-100%: 매우 매력적
  60-79%: 매력적
  40-59%: 보통
  20-39%: 비매력적
  0-19%: 매우 비매력적

전략 시사점 도출

각 Force별 대응 전략:

높은 경쟁 → 차별화 전략, 니치 시장 집중
높은 진입 위협 → 전환 비용 강화, 브랜드 구축
높은 대체재 → 전환 비용 강화, 부가 서비스
높은 공급자 교섭 → 공급원 다변화, 후방 통합
높은 구매자 교섭 → 전환 비용 강화, 가치 차별화

© revfactory, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in ko/44-market-research/.claude/skills/porter-five-forces of revfactory/harness-100.

Open the folder on GitHubat commit 8e8d35c

Compare with similar skills

Porter Five Forces next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Porter Five Forces compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Porter Five Forces this skillrevfactory/harness-1001.3k—~643Automated safety check: PassApache-2.0
Porters Five Forcesphuryn/pm-skills27k—~2kAutomated safety check: PassMIT
Porters Five Forcesdeanpeters/Product-Manager-Skills7.2k—~2.7kAutomated safety check: PassCustom licence
Porters Five Forcesborghei/Claude-Skills874—~1.7kAutomated safety check: PassMIT
Biz Porters Five Forcesasgard-ai-platform/skills241—~1.9kAutomated safety check: PassMIT
Skill Portersickn33/agentic-awesome-skills47k1 repos~1.1kAutomated safety check: PassMIT

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Questions about Porter Five Forces

What does Porter Five Forces do?

Porter의 5 Forces 분석을 체계적으로 수행하는 방법론. An agent skill from revfactory/harness-100. Porter Five Forces is an agent skill from revfactory/harness-100. Porter의 5 Forces 분석을 체계적으로 수행하는 방법론.

How do I install Porter Five Forces in Claude Code?

Run `npx skills add revfactory/harness-100 --skill porter-five-forces -a claude-code`. Or copy the skill folder (ko/44-market-research/.claude/skills/porter-five-forces in revfactory/harness-100) into .claude/skills/porter-five-forces in your project. Claude Code loads it when a task matches its description.

How do I install Porter Five Forces in Codex?

Run `npx skills add revfactory/harness-100 --skill porter-five-forces -a codex`. Or copy the skill folder (ko/44-market-research/.claude/skills/porter-five-forces in revfactory/harness-100) into .agents/skills/porter-five-forces in your project. Codex loads it when a task matches its description.

Can I use Porter Five Forces in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add revfactory/harness-100 --skill porter-five-forces -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/porter-five-forces, .gemini/skills/porter-five-forces, .github/skills/porter-five-forces and .opencode/skills/porter-five-forces in your project.

What does Porter Five Forces need to run?

SKILL.md names no scripts, command-line tools or credentials: Porter Five Forces is instructions for the agent only.

Does Porter Five Forces access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Porter Five Forces safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Porter Five Forces use?

Porter Five Forces is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Porter Five Forces use?

About 643 tokens (SKILL.md is roughly 2.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Porter Five Forces?

Skills that share tags, products or a category with Porter Five Forces: Porters Five Forces (phuryn/pm-skills, 27k stars), Porters Five Forces (deanpeters/Product-Manager-Skills, 7.2k stars), Porters Five Forces (borghei/Claude-Skills, 874 stars) and Biz Porters Five Forces (asgard-ai-platform/skills, 241 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Porter Five Forces?

revfactory (a GitHub user) maintains it in revfactory/harness-100, which has 1,290 GitHub stars. The repository holds 464 skills in this directory. The repository was last updated on March 22, 2026.

Source: revfactory/harness-100 on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.