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Metalift MCP for AI agents: web search (2 credits), scrape, crawl, and map tools
About
Metalift MCP for AI agents: web search (2 credits), scrape, crawl, and map tools
Security Report
This is a well-structured MCP server for the Metalift web scraping API with appropriate authentication, proper credential handling, and reasonable permissions. The codebase demonstrates good security practices: API keys are environment-variable-based, no hardcoded secrets exist, and the server uses standard MCP patterns. Minor code quality observations around error handling and logging do not constitute security vulnerabilities. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.
6 files analyzed · 8 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: METALIFT_API_URL
Environment variable: METALIFT_API_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-metalift-ai-metalift": {
"env": {
"METALIFT_API_KEY": "your-metalift-api-key-here",
"METALIFT_API_URL": "your-metalift-api-url-here"
},
"args": [
"-y",
"@metalift/mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
@metalift/mcp
Metalift MCP server for AI agents. Exposes scrape, crawl, map, and batch tools over stdio for Cursor, Claude Desktop, and other MCP clients.
What is Metalift?
Metalift Cloud is a hosted web context platform — scrape, crawl, and map sites into LLM-ready markdown for AI agents. This MCP server connects your AI client to the Metalift API.
Get an API key
- Sign up for Metalift Cloud and verify your email.
- Complete onboarding and copy your API key from Dashboard → API keys.
New accounts receive 1,000 free credits/month. Set METALIFT_API_KEY in your MCP config (see below). Do not commit keys to git.
Install
Published on npm as @metalift/mcp. Default config uses npx:
{
"mcpServers": {
"metalift": {
"command": "npx",
"args": ["-y", "@metalift/mcp"],
"env": {
"METALIFT_API_URL": "https://api.metalift.ai",
"METALIFT_API_KEY": "YOUR_API_KEY"
}
}
}
}
Claude Desktop: paste the same JSON into claude_desktop_config.json (Settings → Developer → Edit Config). See MCP setup — Claude Desktop and examples/claude-mcp.json.
Corporate Windows / SSL inspection: if npx fails with UNABLE_TO_VERIFY_LEAF_SIGNATURE, install locally and use node — see examples/claude-mcp-local.json / cursor-mcp-local.json and MCP setup troubleshooting.
Troubleshooting
| Error | Cause | Fix |
|---|---|---|
Failed to acquire MessagePort | Cursor IDE bug on Windows | Reload window, restart Cursor — details |
UNABLE_TO_VERIFY_LEAF_SIGNATURE | Corporate SSL inspection blocks npm | Local install + node path — details |
| 401 / 402 at runtime | Auth or billing | Check API key and subscription |
Full guide: packages/platform-web/docs/mcp-setup.md.
Web search vs scrape
Search and scrape are separate tools with separate billing:
metalift_web_search— returns up to 10 search snippets (2 credits, English by default). Review titles and snippets first.metalift_scrape— fetches page content for URLs you choose (1+ credits per URL). Defaultresponse_detail=compact(~16k chars, no link lists). Usestandardfor full articles orfullfor raw JSON with all links.
Do not auto-scrape every search result. See Web search for agent workflow examples.
Environment variables
| Variable | Description |
|---|---|
METALIFT_API_URL | Metalift scrape API base URL (default: https://api.metalift.ai) |
METALIFT_API_KEY | Bearer token for authenticated API access |
Tools
| Tool | Description |
|---|---|
metalift_scrape | Scrape a single URL (default: fast direct static markdown, response_detail=compact; use standard / full for more) |
metalift_batch_scrape | Scrape multiple URLs (same response_detail; default compact) |
metalift_crawl | Crawl a website |
metalift_map | Discover site URLs from page HTML links |
metalift_sitemap | Fetch XML sitemap URLs (robots.txt / sitemap.xml) |
metalift_web_search | Web search — top 10 SERP results (title, url, snippet). 2 credits per search. Does not fetch page content; use metalift_scrape separately for URLs you need |
metalift_job_status | Poll async jobs |
metalift_list_strategies | List scrape strategies |
metalift_seed_session | Store browser session cookies for a domain |
metalift_warm_session | Warm WAF/retail cookies |
metalift_list_sessions | List stored domain sessions |
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