MCP fetch server with correct SSRF defense: resolve once, validate and pin the resolved IP, re-check every redirect. Returns clean markdown framed as untrusted data.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add safe-fetch -- npx -y safe-fetch-mcp-server~/.codex/config.toml
[mcp_servers.safe-fetch]
command = "npx"
args = ["-y", "safe-fetch-mcp-server"]
# codex mcp add safe-fetch -- npx -y safe-fetch-mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"safe-fetch": {
"command": "npx",
"args": [
"-y",
"safe-fetch-mcp-server"
]
}
}
}.vscode/mcp.json
{
"servers": {
"safe-fetch": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"safe-fetch-mcp-server"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"safe-fetch": {
"command": "npx",
"args": [
"-y",
"safe-fetch-mcp-server"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"safe-fetch": {
"command": "npx",
"args": [
"-y",
"safe-fetch-mcp-server"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"safe-fetch": {
"command": "npx",
"args": [
"-y",
"safe-fetch-mcp-server"
]
}
}
}