How do I install the Spider skill?

Run npx skillmds@latest add mj-deving/spider in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Spider safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Spider?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Spider free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Spider?

mj-deving (@mj-deving) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Spider by mj-deving — Agent Skill

Name: Spider
Author: mj-deving

Spider

Low-cost high-scale web scraping and crawling via Spider.cloud API — Rust-based, fast, ~$0.48/1K pages. USE WHEN spider cloud, scale scraping, bulk scrape, bulk crawl, high volume scraping, scrape at scale, affordable crawling, spider.cloud.

mj-deving 13582de 2 files · 2.9 KB Updated Sep 17, 2026

File contents

Customization

Before executing, check for user customizations at: ${PAI_USER_DIR}/SKILLCUSTOMIZATIONS/Spider/

Spider.cloud — Low-Cost Scale Scraping

Rust-based web scraping API. Fastest option for high-volume scraping at ~$0.48 per 1,000 pages. Use when Crawl4AI is too slow or volume exceeds what self-hosted can handle.

When to Use

Scraping 1,000+ pages (scale)
Need speed + reliability at low cost
Crawl4AI too slow for the volume
BrightData too expensive for the use case

When NOT to Use

<100 pages (→ Jina Reader or Crawl4AI, free)
Anti-bot / Cloudflare bypass (→ BrightData)
Social media platforms (→ Apify)
Zero budget (→ Crawl4AI)

Workflow Routing

Request Pattern	Route To
Scale scrape, bulk crawl, spider.cloud	`Workflows/ScaleCrawl.md`

Prerequisites

Spider.cloud account + API key
Set SPIDER_API_KEY in ${AGENT_HOME}/.env

Pricing

~$0.48 per 1,000 pages
Free credits on sign-up
Open-source self-hosted option available (Rust)

Capabilities

JS rendering: Yes
Markdown output: Yes
Multi-page crawling: Yes (primary use case)
Speed: Fastest (Rust-based)
AI extraction: Yes
Anti-bot: Basic

Frequently asked questions