Server data from the Official MCP Registry
MCP server for fetching URLs, safe against SSRF, DNS rebinding, and redirect-to-internal attacks.
About
MCP server for fetching URLs, safe against SSRF, DNS rebinding, and redirect-to-internal attacks.
Security Report
This is a well-engineered MCP server with strong security controls designed specifically to prevent SSRF attacks. The codebase demonstrates excellent threat modeling, comprehensive input validation, and proper separation of concerns. Code quality is high with proper error handling and no obvious credential or exfiltration risks. Permissions are appropriately scoped for the stated purpose of safe web fetching. Supply chain analysis found 6 known vulnerabilities in dependencies (2 critical, 0 high severity). Package verification found 1 issue.
7 files analyzed · 11 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: SAFE_FETCH_ALLOW_LOCAL
Environment variable: SAFE_FETCH_ALLOWLIST
Environment variable: SAFE_FETCH_MAX_BYTES
Environment variable: SAFE_FETCH_TIMEOUT_MS
Environment variable: SAFE_FETCH_MAX_REDIRECTS
Environment variable: HOST
Environment variable: PORT
Environment variable: SAFE_FETCH_ALLOWED_ORIGINS
Environment variable: SAFE_FETCH_RATE_LIMIT_MAX
Environment variable: SAFE_FETCH_RATE_LIMIT_WINDOW_MS
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-sanoy24-safe-fetch": {
"env": {
"HOST": "your-host-here",
"PORT": "your-port-here",
"SAFE_FETCH_ALLOWLIST": "your-safe-fetch-allowlist-here",
"SAFE_FETCH_MAX_BYTES": "your-safe-fetch-max-bytes-here",
"SAFE_FETCH_TIMEOUT_MS": "your-safe-fetch-timeout-ms-here",
"SAFE_FETCH_ALLOW_LOCAL": "your-safe-fetch-allow-local-here",
"SAFE_FETCH_MAX_REDIRECTS": "your-safe-fetch-max-redirects-here",
"SAFE_FETCH_RATE_LIMIT_MAX": "your-safe-fetch-rate-limit-max-here",
"SAFE_FETCH_ALLOWED_ORIGINS": "your-safe-fetch-allowed-origins-here",
"SAFE_FETCH_RATE_LIMIT_WINDOW_MS": "your-safe-fetch-rate-limit-window-ms-here"
},
"args": [
"-y",
"safe-fetch-mcp-server"
],
"command": "npx"
}
}
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