Cidr Calculate MCP tool

MCP findutils:cidr_calculate

Compute network / broadcast / first-last host / subnet mask / hosts count for a CIDR (e.g. 192.168.1.0/24).

Needs an API key. Running a tool needs an API key. Keys are not for sale yet: ask for early access. About API keys

Try it

Arguments

application/json

cidr

string required

CIDR notation like "192.168.1.0/24".

Example arguments

Verified

{
  "cidr": "10.0.0.0/24"
}

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claude mcp add findutils --transport http https://mcp.findutils.com/ --header "Authorization: Bearer YOUR_API_KEY"

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/",
      "headers": {
        "Authorization": "Bearer YOUR_API_KEY"
      }
    }
  }
}

curl -X POST https://mcp.findutils.com/ \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "cidr_calculate",
      "arguments": {
        "cidr": "10.0.0.0/24"
      }
    }
  }'

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/cidr-calculate/execute.

REST reference

Rate limit: 120 a minute, per IP
Auth: API key
REST id: cidr-calculate
MCP name: cidr_calculate
Category: Network
Machine-readable: openapi.json · markdown.md

Arguments

Example arguments

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