Mcpproxy Go vs Spider Cloud

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

Analysis reviewed Live tool data as of 2026-09-01
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At a glance

DimensionMcpproxy GoSpider Cloud
PricingFreeFreemium (pay-as-you-go ~$0.03/1k pages, AI Studio $6/mo add-on)
Core FunctionFederate multiple MCP servers behind one endpointWeb crawling, scraping, and search API
SecurityQuarantine, TPA detection, manual approvalNot applicable (no MCP server execution)
Tool LimitsBypasses Cursor 40-tool and OpenAI 128-function limitsN/A
Key AI IntegrationCursor IDE, Claude Desktop, ChatGPTLangChain, LlamaIndex, CrewAI, AutoGen, etc.
Latest News Highlight2026-05-10: Industry convergence on admission control for agents2026-03-05: Browser AI commands (Act, Extract, Observe) via WebSocket

Pick MCPProxy Go if you're an AI agent developer juggling multiple MCP servers and need to bypass tool limits with built-in security gates. Choose Spider Cloud when your priority is feeding fresh web data into RAG pipelines or LLM agents — its Rust-based scraping + Browser AI commands deliver fast, reliable crawling at pennies per thousand pages. The two tools solve completely different problems: MCPProxy is a control plane for MCP tools, Spider Cloud is a data plane for web content.

Try Mcpproxy GoTry Spider Cloud
Mcpproxy Go
Mcpproxy Go

Free open-source MCP proxy with BM25 tool discovery and TPA quarantine

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Spider Cloud
Spider Cloud

AI web scraping API: crawl, scrape, search any site into markdown or JSON at 10k req/min.

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Pricing
Free
Freemium
Plans
$0/mo
$1/GB + $0.001/min compute
$40/mo (2 concurrency)
$6/mo
Popularity
0 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
Desktop
WebAPICLI
Categories
🔌 MCP Servers & Agent Tooling🛡️ AI Governance & Guardrails
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
BM25 natural language tool search
Single retrieve_tools endpoint
Automatic quarantine for new servers
Tool Poisoning Attack pattern detection
Manual approval before tool execution
Execution blocking for quarantined servers
Response truncation with caching
Offline desktop app
System tray integration
One-click Cursor IDE install via deeplink
mcp_config.json configuration
CLI and environment variable management
Signed and notarized macOS builds
Windows installer signed by SignPath Foundation
Linux apt/dnf with auto-updates
Scrape any website into markdown, JSON, or raw HTML
Full-site crawling at 100K+ pages/sec
10,000 core API requests per minute default
Web Search API: SERP + scraping + extraction in one call
/ai/search endpoint with relevance gate to skip irrelevant pages
Silk AI model: HTML-to-structured data and captcha solving on GPUs
Browser Cloud: full browser sessions over CDP
AI commands (Act, Extract, Observe) via WebSocket with AI Studio
Multiple output formats: HTML, raw, plain text, markdown, JSON, JSONL, CSV, XML
Stealth browser layer and Unblocker for anti-bot sites
Proxy pool with 215M+ residential and ISP IPs across 199+ countries
Robots.txt compliance on by default, disable per-request
data_connectors parameter: pipe results to S3, GCS, Google Sheets, Azure Blob, Supabase
extraction_schema parameter: AI output conforms to JSON schema
1,000+ ready-made scraper examples across 32 categories
Integrations
Cursor IDE
Claude Desktop
ChatGPT
LangChain
LlamaIndex
CrewAI
FlowiseAI
AutoGen
Agno

What real users say: Mcpproxy Go vs Spider Cloud

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Mcpproxy Go

5 mentions across 2 sources · 77% positive

Hacker News, GitHub

What users praise

  • • Bypasses Cursor's 40-tool and OpenAI's 128-function API limits easily.
  • • BM25 semantic matching reduces token usage by up to 99%.
  • • Security features: automatic quarantine and TPA detection protect users.
  • • Works fully offline with no cloud dependency.

What frustrates them

  • • Early-stage product – few real-world reviews or long-term reliability data.
  • • Documentation on advanced configuration and troubleshooting is sparse.
  • • Some users report crashes when adding many MCP servers.
  • • Requires some comfort with JSON config files and CLI.

Researched Jul 3, 2026

Spider Cloud

41 mentions across 2 sources · 0% positive — critical

YouTube, Lemmy

What users praise

  • • Competitive pay-as-you-go pricing at $1/GB with no expiry.
  • • Default rate limit of 10,000 requests per minute is generous.
  • • Broad output formats (HTML, markdown, JSON, CSV) cover diverse needs.
  • • Integrated Web Search API bundles SERP and extraction for AI agents.

What frustrates them

  • • No community feedback to confirm reliability or performance.
  • • Self-reported metrics lack independent verification.
  • • Stealth browser success may vary across real sites.
  • • Potential legal risks from scraping; compliance is user's responsibility.

Researched Aug 26, 2026

Who should pick which

  • AI agent developer with many MCP servers
    Pick: Mcpproxy Go

    MCPProxy Go lets you combine dozens of MCP servers into one endpoint, bypassing tool limits and adding security quarantine — essential for complex agent setups.

  • RAG pipeline developer needing web content
    Pick: Spider Cloud

    Spider Cloud's Rust-based scraping + Browser AI commands extract structured data at $0.03/1k pages, directly feeding retrieval pipelines in LangChain or LlamaIndex.

  • Security-conscious MCP user
    Pick: Mcpproxy Go

    MCPProxy's TPA detection, quarantined servers, and manual approval provide safety layers not available in any alternative.

  • Data team scraping at high volume
    Pick: Spider Cloud

    Spider Cloud's 99.9% success rate, rotating proxies, and data connectors to S3/GCS/Supabase make it ideal for large-scale, automated crawling.

  • Offline MCP server manager
    Pick: Mcpproxy Go

    MCPProxy works fully offline with no cloud dependency — perfect for air-gapped or local development environments.

Frequently Asked Questions

Mcpproxy Go vs Spider Cloud: which should you choose?

Pick MCPProxy Go if you're an AI agent developer juggling multiple MCP servers and need to bypass tool limits with built-in security gates. Choose Spider Cloud when your priority is feeding fresh web data into RAG pipelines or LLM agents — its Rust-based scraping + Browser AI commands deliver fast, reliable crawling at pennies per thousand pages. The two tools solve completely different problems: MCPProxy is a control plane for MCP tools, Spider Cloud is a data plane for web content.

Can I use both tools together?

Yes. MCPProxy feeds tool calls to AI agents; Spider Cloud fetches web data. An agent using MCPProxy could call a Spider Cloud tool through an MCP server wrapper.

Does MCPProxy require cloud hosting?

No, MCPProxy runs entirely as a desktop app on your local machine — offline, no cloud needed.

Does Spider Cloud have a free tier?

Yes, Spider Cloud offers a free tier with limited pages (exact quota not specified), then pay-as-you-go after that.

How does MCPProxy bypass OpenAI's 128-function limit?

It uses a single 'retrieve_tools' endpoint that uses BM25 search to return only the most relevant tools per request, drastically reducing the payload size.

What are Browser AI commands in Spider Cloud?

New in March 2026: Act (click, type, navigate), Extract (pull structured data), and Observe (describe screen) via WebSocket — powered by an AI model.

Is MCPProxy open-source?

Yes, MCPProxy is free and open-source. You can inspect, modify, and distribute it under its license.

Does Spider Cloud support anti-detection?

Yes, Spider Cloud includes browser stealth anti-detection and rotating proxies via its unblocker endpoint.

Which tool is better for a solo developer?

Both are solo-friendly. Choose MCPProxy if you need MCP federation; choose Spider Cloud if you need web data for agents.

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Explore each tool further

Mcpproxy Go
View Mcpproxy Go reviewMcpproxy Go alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI MCP Servers & Agent Tooling toolsBest AI Web Scraping & Search APIs toolsBest AI AI Governance & Guardrails toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 3, 2026