# mikrotik_create_filter_rule

Creates a firewall filter rule on MikroTik device

Agent View of the PolicyLayer registry record for `mikrotik_create_filter_rule`. HTML page: https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-create-filter-rule

## Facts

- Tool: `mikrotik_create_filter_rule`
- Server: MikroTik Cursor MCP (`kevinpez/mikrotik-cursor-mcp`) — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp.md
- Homepage: https://github.com/kevinpez/mikrotik-cursor-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "mikrotik_create_filter_rule",
    "arguments": {}
  }
}
```

## Why mikrotik_create_filter_rule is rated Medium

This tool creates firewall filter rules, which is a reversible write operation (rules can be modified or deleted). While it could impact network security and traffic flow, the creation itself is not destructive—the effect is configuration modification rather than deletion or irreversible damage.

From the tool's own definition: "Tool name 'mikrotik_create_filter_rule' and description 'Creates a firewall filter rule on MikroTik device' indicate creation of network configuration that modifies router behavior."

## Use case

AI agents use mikrotik_create_filter_rule to create or update resources in MikroTik Cursor MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MikroTik Cursor MCP environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches MikroTik Cursor MCP:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "mikrotik_create_filter_rule": {
      "limits": [
        {
          "counter": "mikrotik_create_filter_rule_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on MikroTik Cursor MCP (451)

- `mikrotik_clear_address_list` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-clear-address-list.md
- `mikrotik_clear_logs` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-clear-logs.md
- `mikrotik_delete_custom_chain` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-delete-custom-chain.md
- `mikrotik_remove_address_list_entry` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-address-list-entry.md
- `mikrotik_remove_bonding_interface` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-bonding-interface.md
- `mikrotik_remove_bridge_port` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-bridge-port.md
- `mikrotik_remove_bridge_vlan` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-bridge-vlan.md
- `mikrotik_remove_capsman_configuration` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-capsman-configuration.md
- `mikrotik_remove_capsman_datapath` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-capsman-datapath.md
- `mikrotik_remove_capsman_provisioning_rule` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-capsman-provisioning-rule.md
- `mikrotik_remove_certificate` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-certificate.md
- `mikrotik_remove_container` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-container.md
- `mikrotik_remove_container_env` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-container-env.md
- `mikrotik_remove_container_mount` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-container-mount.md
- `mikrotik_remove_container_veth` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-container-veth.md
- `mikrotik_remove_dhcp_server` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-dhcp-server.md
- `mikrotik_remove_dhcpv6_client` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-dhcpv6-client.md
- `mikrotik_remove_dhcpv6_lease` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-dhcpv6-lease.md
- `mikrotik_remove_dhcpv6_option` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-dhcpv6-option.md
- `mikrotik_remove_dhcpv6_server` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-dhcpv6-server.md
- `mikrotik_remove_dns_static` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-dns-static.md
- `mikrotik_remove_eoip_tunnel` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-eoip-tunnel.md
- `mikrotik_remove_file` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-file.md
- `mikrotik_remove_filter_rule` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-filter-rule.md
- `mikrotik_remove_gre_tunnel` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-gre-tunnel.md
- `mikrotik_remove_hotspot_server` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-hotspot-server.md
- `mikrotik_remove_ip_address` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-ip-address.md
- `mikrotik_remove_ip_pool` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-ip-pool.md
- `mikrotik_remove_ipv6_address` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-ipv6-address.md
- `mikrotik_remove_ipv6_address_list_entry` — Destructive — https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp/mikrotik-remove-ipv6-address-list-entry.md
- …and 421 more: https://policylayer.com/tools/kevinpez-mikrotik-cursor-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=kevinpez-mikrotik-cursor-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/kevinpez-mikrotik-cursor-mcp