Is firecrawl-mcp safe?
Firecrawl MCP server, the context API for AI agents: search, scrape, parse, crawl, map, and interact with the web, run Agent and Monitor jobs, and search scientific papers (PubMed, bioRxiv, medRxiv, arXiv). Works with Firecrawl cloud or a self-hosted inst
This server can change things — files, a browser, a database, or paid online services. Limit what it can reach.
Why: uses your API keys to call online services.
What it can do
- Reads files
- Calls internet services
- Needs API keys or tokens
How to use it safely
- ✓ Only give it the folders it needs; files it reads can end up in the AI’s context.
- ✓ Content it fetches from the internet can carry prompt-injection instructions.
- ✓ Use a key with the smallest permissions available, and never paste a production key into a shared config.
- ✓ Pin the version (below) so an update can't change what it does without you noticing.
Code patterns worth reviewing
Automated pattern matches in the published package. Some are expected for this kind of server, and some may be false positives — they are pointers for review, not confirmed vulnerabilities.
External content fed into the prompt without isolation
The agent pulls in outside content (web pages, emails, retrieved documents) and adds it to its prompt, with no visible marking of that content as untrusted data.
dist/index.js:1544
Install it pinned
{
"mcpServers": {
"firecrawl": {
"command": "npx",
"args": ["-y", "firecrawl-mcp@3.36.0"]
}
}
}Check your whole MCP setup
Agent Verify checks the servers in your Claude, Cursor and VS Code config — including whole-drive access and keys stored in plain text.
Maintain firecrawl-mcp?
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Agent Verify reads the package published on npm as text — it is never installed or run. Ratings describe capability, not intent, and are an automated, evidence-based check, not a guarantee. Scanner 2.0.0.