Roam Code vs Spider Cloud

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

Analysis reviewed Live tool data as of 2026-10-09
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At a glance

DimensionRoam CodeSpider Cloud
Core FunctionLocal code-graph MCP server for AI coding agents (structural awareness)Web crawling & scraping API for AI agents (Rust engine)
Execution ModelLocal execution with zero network egress, no API keysCloud-based API, open-source core available
Key Feature57 core MCP tools, blast-radius check, clone detection, pre-change gatesAI Studio, Browser AI commands (Act/Extract/Observe), Silk AI model
Target UserEngineering teams using AI coding agents (Cursor, Claude Code)AI agents needing real-time web data for RAG/LLMs
Latest News Impactv13.3 adds MCP egress redaction & HMAC-linked receipts (2026)Browser AI commands & data connectors now available (2026)

Spider Cloud is for AI agents that need fresh web data; Roam Code is for AI coding agents that need local code structure. They are complementary rather than competing. Choose Spider Cloud if your bottleneck is external data retrieval; choose Roam Code if your bottleneck is codebase understanding and safe AI edits. Both are freemium and actively developed.

Try Roam CodeTry Spider Cloud
Roam Code
Roam Code

Free, open-source MCP server and CLI that gives your coding agent a queryable local code graph before it edits.

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Spider Cloud
Spider Cloud

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

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Pricing
Freemium
Freemium
Plans
$0/mo
$2,500 one engagement
$6,000 one engagement
$99/mo
$299/mo
$799/mo
$1,499/mo (annual negotiated)
$19/repo/mo Starter
$1/GB + $0.0001/CPU-min
From $6/mo
From $40/mo
Custom
Popularity
8 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
CLI
WebAPIPluginCLIDesktop
Categories
🔌 MCP Servers & Agent Tooling💻 Code & Development
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Local code-graph index your agent queries through MCP or the CLI
28-language parsing with cross-language bridges
17-tool default MCP preset with broader presets for focused work
287 CLI commands covering exploration, health, security, and governance
Task compiler classifies prompts into intent procedures with zero model calls
roam impact traces indexed callers of a symbol before a rename or edit
roam complexity ranks functions by difficult control flow
roam algo pairs detected patterns with alternatives from Roam's algorithm catalog
roam critique inspects a patch's connections and similar code needing the same fix
AST-level clone detection with identifier-rename confidence
Blast-radius analysis with production traffic weighting
Algorithmic risk checks for O(n²), N+1, regex-in-loop, and JSON-parse-in-loop
Pre-change gates with BLOCK/REVIEW verdicts
Tamper-evident audit trail (in-toto v1) with HMAC-linked receipts
SARIF export for GitHub Code Scanning
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 the moment it finishes
Web search endpoint returns SERP results plus the scraped pages behind them in one call
Custom browser renders like a user: scripts run, lazy images load, infinite scroll reaches the end
Unblocker loads protected pages through a real browser engine, geo checks included, returning a 200
Browser Cloud runs full sessions with anti-detection and rotating residential/ISP 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
extraction_schema parameter makes AI output conform to a JSON schema on every extraction model
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
Integrations
Claude Code
Cursor
Codex CLI
VS Code
Windsurf
Gemini CLI
Amp (Sourcegraph)
GitHub
GitHub Code Scanning
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
MCP
Codex
Claude Desktop
Amazon S3
Google Cloud Storage
Google Sheets

Who should pick which

  • AI agent developer needing real-time web data for RAG
    Pick: Spider Cloud

    Spider Cloud is built for this: it crawls and scrapes at low cost, outputs structured data, and integrates with LangChain/LlamaIndex.

  • Engineering team using Cursor to edit a monorepo
    Pick: Roam Code

    Roam Code gives structural awareness, blast-radius, and clone checks, preventing AI coding agents from breaking the codebase.

  • Solo developer scraping one-off pages for a side project
    Pick: Spider Cloud

    Spider Cloud's free tier and simple API are enough for light scraping without setup overhead.

  • Compliance team needing tamper-evident audit trails for AI edits
    Pick: Roam Code

    Roam Code provides in-toto audit trails with HMAC-linked receipts, meeting compliance requirements.

  • Startup building a data pipeline from multiple websites
    Pick: Spider Cloud

    Spider Cloud's data connectors (S3, GCS, Sheets) and high-volume pricing suit data pipeline needs.

Frequently Asked Questions

Roam Code vs Spider Cloud: which should you choose?

Spider Cloud is for AI agents that need fresh web data; Roam Code is for AI coding agents that need local code structure. They are complementary rather than competing. Choose Spider Cloud if your bottleneck is external data retrieval; choose Roam Code if your bottleneck is codebase understanding and safe AI edits. Both are freemium and actively developed.

Can Spider Cloud extract data from JavaScript-heavy sites?

Yes, Spider Cloud uses Browser Cloud with stealth anti-detection and supports Browser AI commands for dynamic content.

Does Roam Code require an internet connection?

No, Roam Code runs entirely locally with zero network egress. It never sends your code to the cloud.

Which tool is better for integrating with LangChain?

Spider Cloud has native integrations with LangChain and LlamaIndex, making it ideal for RAG pipelines.

Can Roam Code analyze code in multiple languages together?

Yes, Roam supports 28 languages with 6 cross-language bridges, so it can track calls across Python and JavaScript, for example.

What's the cost of Spider Cloud for 100,000 pages?

At $0.003/page, 100,000 pages cost about $300, but failed requests are not billed, so actual cost may be lower.

Does Roam Code offer a cloud version?

Currently, Roam Code is local-only. Paid tiers (PR Replay) are in early access; no cloud-hosted option is announced.

Are the two tools competitors?

No, they solve different problems: external data retrieval (Spider) vs. internal code structure (Roam). They can be complementary.

Which tool has more integrations?

Spider Cloud integrates with AI frameworks (LangChain, CrewAI) and cloud storage. Roam Code integrates with coding agents (Cursor, Claude Code).

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Explore each tool further

Roam Code
View Roam Code reviewRoam Code 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 Code & Development toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 3, 2026