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Documentation Index

Fetch the complete documentation index at: https://docs.firecrawl.dev/llms.txt

Use this file to discover all available pages before exploring further.

Add Firecrawl’s search, scrape, crawl, and browser tools to Google Antigravity via MCP.

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Quick Setup

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1. Get Your API Key

Sign up at firecrawl.dev/app and copy your API key.

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2. Add Firecrawl to Antigravity

Open Antigravity settings (Cmd/Ctrl + ,), search for MCP Servers, and add a new server with: 
{
  "mcpServers": {
    "firecrawl": {
      "command": "npx",
      "args": ["-y", "firecrawl-mcp"],
      "env": {
        "FIRECRAWL_API_KEY": "fc-YOUR-API-KEY"
      }
    }
  }
}
Replace fc-YOUR-API-KEY with your Firecrawl API key.

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3. Reload Antigravity

Reload the window (Cmd/Ctrl + Shift + P → Reload Window). The agent now has Firecrawl’s web tools available.

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Quick Demo

In an Antigravity agent chat: 
Search the web for "Vercel AI SDK v5 release notes" and summarize.

Scrape https://docs.firecrawl.dev/ai-onboarding and list every linked guide.

Crawl https://example.com and extract every page title.
Antigravity routes those tool calls through Firecrawl MCP automatically.

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Remote Hosted URL (no Node.js required)

{
  "mcpServers": {
    "firecrawl": {
      "url": "https://mcp.firecrawl.dev/fc-YOUR-API-KEY/v2/mcp"
    }
  }
}

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Troubleshooting

  • Server shows as “failed” — check the MCP output panel for stderr. Most failures are a missing API key or npx not on PATH.
  • Tools not invoked — explicitly mention Firecrawl (e.g., “Use Firecrawl to scrape…”) in your first prompt so the agent picks the right tool.