MCP Server Dns vs OPNSenseMCP
A side-by-side look at the MCP Server Dns and OPNSenseMCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Server Dns for security work as a local process; choose OPNSenseMCP for security as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose MCP Server Dns when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
dns_lookup, reverse_dns, resolve_all.
Choose OPNSenseMCP when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
OPNSENSE_HOST, OPNSENSE_API_KEY, OPNSENSE_API_SECRET, OPNSENSE_VERIFY_SSL. - You want tools like
firewall_list_rules, firewall_create_rule, firewall_update_rule.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Security | Security |
| Quality signal | 59/100 · Good | 64/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | API key required |
| Pricing | Free | Free |
| Required env vars | None listed |
Tools & capabilities
MCP Server Dns tools 5
dns_lookupLook up DNS records for a domain. Returns A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, or PTR records.reverse_dnsPerform a reverse DNS (PTR) lookup on an IP address.resolve_allResolve all common DNS record types (A, AAAA, MX, TXT, NS, CNAME) for a domain in one call.check_nameserversGet the nameserver (NS) records for a domain.whoisQuery WHOIS data for a domain. Uses IANA and follows referrals to registrar WHOIS servers.
OPNSenseMCP tools 18
firewall_list_rulesList all firewall rulesfirewall_create_ruleCreate a new rulefirewall_update_ruleUpdate existing rulefirewall_delete_ruleDelete a rulefirewall_apply_changesApply pending changesnat_list_outboundList outbound NAT rulesnat_set_modeSet NAT modenat_create_outbound_ruleCreate NAT rulenat_fix_dmzFix DMZ NAT issuesnat_analyze_configAnalyze NAT configurationarp_listList ARP table entriesrouting_diagnostics
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
MCP Server Dns
{
"mcpServers": {
"ofershap-mcp-server-dns": {
"command": "npx",
"args": [
"-y",
"mcp-server-dns"
]
}
}
}
OPNSenseMCP
{
"mcpServers": {
"vespo92-opnsensemcp": {
"command": "npx",
"args": [
"-y",
"opnsense-mcp-server"
],
"env": {
"OPNSENSE_HOST": "YOUR_OPNSENSE_HOST_HERE",
"OPNSENSE_API_KEY": "YOUR_OPNSENSE_API_KEY_HERE",
"OPNSENSE_API_SECRET": "YOUR_OPNSENSE_API_SECRET_HERE",
"OPNSENSE_VERIFY_SSL": "YOUR_OPNSENSE_VERIFY_SSL_HERE"
}
}
}
}
Frequently asked questions
MCP Server Dns is categorized under Security and uses a local stdio subprocess. OPNSenseMCP belongs to Security and uses a local stdio subprocess. Pick MCP Server Dns for security work and OPNSenseMCP for security.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
MCP Server Dns is listed as free. Auth: no auth required. OPNSenseMCP is listed as free. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add ofershap-mcp-server-dns and vespo92-opnsensemcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Server Dns has a quality signal of 59/100 (Good) with 2 views, 0 installs and 3 GitHub stars. OPNSenseMCP has 64/100 (Good) with 5 views, 0 installs and 90 GitHub stars.
