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web-scraper

Name: web-scraper (Claude Skill)
Author: yfe404

Phased reconnaissance scraper that prefers APIs > sitemaps > HTML, picks the right Apify template (Cheerio vs Playwright), and only escalates anti-detection when signals warrant.

Intelligent web scraping via Claude Code. Runs a 5-phase reconnaissance (Phases 0–5) that tries the cheapest extraction path first: public APIs, sitemap feeds, structured data. Only when those fail does it consider browser automation, and only when protection signals appear does it layer on stealth. Built around TypeScript-first Apify Actor development, with templates (Cheerio for static, Playwright for JS-heavy).

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Por que usar

Principais recursos

Phased reconnaissance — APIs > sitemaps > static HTML > browser
Template picker: Cheerio for static, Playwright for JS-heavy
Apify Actor TypeScript-first workflow
Selective stealth: only when protection signals detected
Session recording + replay for debugging

Demo ao vivo

Como fica na prática

web-scraper-skill.replay ▶ pronto

0/0

Instalação

Repositório do autor · Documentação oficial de Skills do Claude

Casos de uso

Usos do mundo real: web-scraper

Scrape a static listing site into a structured dataset

👤 Data engineers pulling public data (directories, price lists, public records) ⏱ ~45 min intermediate

Quando usar: You need a dataset from a public site that doesn't have an API.

Fluxo

Let the skill do recon

Use web-scraper. Target: https://example.com/listings. I want name + URL + category. Recon first — tell me the cheapest extraction path.✓ Copiado

→ Skill reports: 'sitemap.xml available, use Cheerio'
Scaffold the Apify Actor

Scaffold a TypeScript Apify Cheerio actor for that extraction.✓ Copiado

→ Actor tree + main.ts ready to run
Run and iterate

Run locally on 10 pages; tighten selectors if needed.✓ Copiado

→ Clean JSON output

Resultado: An Apify Actor you can deploy for scheduled scrapes.

Armadilhas

Jumping to Playwright when Cheerio would do — Trust the recon — headful browsers 10x the cost unnecessarily

Combine com: apify · filesystem

Discover and use a site's undocumented JSON API instead of HTML

👤 Scraper devs who want reliability ⏱ ~30 min intermediate

Quando usar: The page is a SPA and HTML is gross, but the XHR calls are clean JSON.

Fluxo

Run API-discovery phase

Use web-scraper phase 1 — API discovery on https://example.com/app. Enumerate XHR/fetch endpoints.✓ Copiado

→ List of endpoints with observed payloads
Build the JSON-based actor

Generate an actor that hits those endpoints directly with auth as needed.✓ Copiado

→ Lightweight fetch-based actor

Resultado: A far more stable scrape than HTML parsing.

Armadilhas

Private/session-auth APIs that break when token rotates — Plan token-refresh logic or fall back to browser flow

Combinações

Combine com outros MCPs para 10× de alavancagem

web-scraper-skill + apify

Deploy the scaffolded actor to Apify for scheduled runs

Deploy this actor to my Apify account and schedule it daily.✓ Copiado

web-scraper-skill + filesystem

Keep the actor code in-repo alongside the consuming app

Scaffold into scrapers/ and commit with the main project.✓ Copiado

Ferramentas

O que este MCP expõe

Ferramenta	Entradas	Quando chamar
recon	url	Always first
scaffold_actor	template (cheerio\|playwright), target	After recon picks template
record_session	url	Debugging dynamic sites
run_local	actor path, limit	Iteration phase

Custo e limites

O que custa rodar

Cota de API: Apify has its own compute + proxy quotas
Tokens por chamada: Moderate — scaffold and iteration loops
Monetário: Free skill; Apify costs separate
Dica: Prefer Cheerio — one of the cheapest run profiles on Apify

Segurança

Permissões, segredos, alcance

Escopos mínimos: Apify API token with actor:read + actor:write

Armazenamento de credenciais: APIFY_TOKEN in env

Saída de dados: Whatever sites you target + Apify platform

Respect robots.txt and each site's Terms of Service. Skill is not an anti-ToS tool — use it on data you're allowed to collect.
Public, non-authenticated data only unless you have explicit permission.

Solução de problemas

Erros comuns e correções

Cheerio returns empty selectors

Content is JS-rendered — rerun recon, expect Playwright template

Playwright times out

Bump navigation timeout; consider waiting for specific selector instead of networkidle

403 / bot-block page

Stop and reconsider. This is the legit signal to re-check ToS, not a cue to escalate stealth.

Alternativas

web-scraper vs. outros

Alternativa	Quando usar	Troca
Direct Apify console	You already know which template you need	No recon phase
firecrawl	You just need markdown of a page, not structured extraction	No actor scaffolding

Mais

Recursos

📖 Leia o README oficial no GitHub

🐙 Ver issues abertas

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