Home / Servers / Cloudflare API / create_prefix
Create prefix.
An MCP tool from the Cloudflare API server, hosted on mcp.hjlabs.in.
Create prefix. Create a prefix for an account. [POST /accounts/{account_id}/magic/advanced_tcp_protection/configs/prefixes]
Name on the gateway: cloudflare_api__create_prefix · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
account_id required | string | account_id parameter |
comment required | string | A comment describing the prefix. |
excluded required | boolean | Whether to exclude the prefix from protection. |
prefix required | string | The prefix to add in CIDR format. |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "cloudflare_api__create_prefix",
"arguments": {
"account_id": "…",
"comment": "…",
"excluded": true,
"prefix": "…"
}
}Or connect the Cloudflare API server directly, which lists 3,127 tools including this one:
claude mcp add --transport http hj-cloudflare-api https://mcp.hjlabs.in/mcp/cloudflare-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the create prefix. tool with account_id set to ….