Marble vs Spider Cloud

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-10-18
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At a glance

DimensionMarbleSpider Cloud
Best forBlogs, changelogs, product updatesWeb scraping, crawling, AI agents
IntegrationsNext.js, Astro, Framer, Slack, RaycastLangChain, LlamaIndex, CrewAI, S3, Supabase
Key featureHeadless REST API with AI readability tipsRust-based crawling with AI extraction
PlatformCloud-based headless CMSCloud API + open-source core
Latest newsMCP server, Hobby plan, workspace exportsBrowser AI commands, scraper catalog, data connectors

Choose Marble if you need a simple, developer-friendly headless CMS for blogs and changelogs with AI writing assistance. Choose Spider Cloud if your priority is high-speed web scraping and crawling for AI agents and RAG pipelines. Marble excels in content management; Spider Cloud in data extraction at scale.

Try MarbleTry Spider Cloud
Marble
Marble

Marble is an open-source headless CMS for blogs, changelogs, and articles with a simple REST API, AI readability scoring, and real-time

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Spider Cloud
Spider Cloud

Spider Cloud is a web scraping, crawling, and search API that streams live pages as markdown or JSON for AI agents and RAG pipelines.

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Pricing
Freemium
Freemium
Plans
$0/mo
$5/mo
$20/mo
$1/GB + $0.0001/CPU-min
From $6/mo
From $40/mo
Custom
Popularity
4 views
7.5k views
Skill Level
Beginner-friendly
Intermediate
API Available
Platforms
WebAPIPlugin
WebAPIPluginCLIDesktop
Categories
⚙️ Developer Infrastructure
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Headless REST API for content delivery to any framework
Full CRUD operations via API with key generation, management, and rotation
Rich text editor with markdown paste and file import
Drag-and-drop and paste-to-upload image handling
Video embeds and an improved code block editor for snippets
Media management with global CDN delivery
Real-time webhooks on Cloudflare Queues with retries and delivery logs
Content Intelligence: real-time readability scores and AI optimization tips
Workspace-level custom fields for structured data per post
Workspace data export as a downloadable JSON archive
MCP server so AI agents and MCP clients can read a workspace
Framer plugin with one-click content sync
Raycast extension for quick access from the launcher
Multiple independent workspaces, each with its own users and content
SEO fields covering the data needed to generate an optimized page
Scrape a single page into markdown, JSON, HTML, raw, or plain text
Crawl entire sites with each page streamed as one JSONL line in order as it finishes
Web search endpoint returns SERP results plus the scraped pages behind them
Custom browser renders like a user: scripts run, lazy images load, infinite scroll reaches the end
Load protected pages through a real browser engine with geo checks, returning a 200
Run full browser sessions over WebSocket with anti-detection and rotating exits
Send AI commands (Act, Extract, Observe) over the Browser API WebSocket
Send a prompt on a scrape or crawl request and get named fields back as JSON
Two-phase AI extraction: a fast model for most pages, a stronger model for complex layouts
Provider router sends scrape and crawl requests to outside providers on your own keys
Data connectors pipe crawl results into S3, GCS, Google Sheets, Azure Blob, or Supabase
Proxy network with 215M+ residential and ISP exits in 199 countries, rotated per request
MCP server at mcp.spider.cloud for Claude Code, Codex, Cursor, and Claude Desktop
1,000+ ready-made scraper examples across 32 categories, each with working code
API responses support JSON, JSONL, CSV, and XML; up to 10,000 core API requests per minute by default
Integrations
Framer
Raycast
Next.js
Astro
Nuxt
TanStack
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
MCP
Claude Code
Codex
Cursor
Claude Desktop
Amazon S3
Google Cloud Storage
Google Sheets

Who should pick which

  • Solo blogger
    Pick: Marble

    Marble offers a free tier for up to 10 posts, AI writing tips, and easy integration with static site generators like Next.js or Astro.

  • AI agent developer
    Pick: Spider Cloud

    Spider Cloud provides a high-performance scraping API with AI extraction and Browser AI commands, ideal for feeding real-time data into RAG pipelines.

  • Small team managing product changelogs
    Pick: Marble

    Marble's Hobby plan ($8/mo) supports 3 team members and integrates with Slack and Framer for smooth updates.

  • Data scientist needing structured web data
    Pick: Spider Cloud

    Spider Cloud's JSON/CSV output and 1,000+ scrapers accelerate data collection for analysis or ML training.

  • Developer building a JAMstack site
    Pick: Marble

    Marble's headless API and Framer plugin simplify content synchronization for static websites.

Frequently Asked Questions

Marble vs Spider Cloud: which should you choose?

Choose Marble if you need a simple, developer-friendly headless CMS for blogs and changelogs with AI writing assistance. Choose Spider Cloud if your priority is high-speed web scraping and crawling for AI agents and RAG pipelines. Marble excels in content management; Spider Cloud in data extraction at scale.

Can Marble be used as a headless CMS for a Next.js blog?

Yes, Marble provides a REST API and has a Next.js integration guide. It's ideal for static site generation.

Does Spider Cloud support scraping JavaScript-heavy sites?

Yes, Spider Cloud uses a browser engine and offers stealth anti-detection, but may struggle with very aggressive anti-bot measures.

What is the latest news about Marble?

Marble introduced an MCP server in May 2026, a Hobby pricing plan, and workspace data exports.

What are Spider Cloud's Browser AI commands?

Browser AI commands (Act, Extract, Observe) allow AI to interact with web pages via WebSocket for dynamic scraping.

Is there a free trial for either tool?

Both have free tiers: Marble offers 10 posts free, Spider Cloud offers 500 pages/month free.

Which tool is better for AI agent integration?

Spider Cloud is built for AI agents with LangChain/LlamaIndex integration. Marble also now has an MCP server for AI agent access.

Can Marble handle multiple authors?

Yes, the Hobby and Pro plans support multiple users (3 and 5 respectively).

Does Spider Cloud offer data connectors?

Yes, as of February 2026, Spider Cloud supports S3, GCS, Google Sheets, Azure Blob, and Supabase as data connectors.

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Explore each tool further

Marble
View Marble reviewMarble alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI Developer Infrastructure toolsBest AI Web Scraping & Search APIs toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 3, 2026