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Update SYN Protection filter.

An MCP tool from the Cloudflare API server, hosted on mcp.hjlabs.in.

Update SYN Protection filter. Update a SYN Protection filter specified by the given UUID. [PATCH /accounts/{account_id}/magic/advanced_tcp_protection/configs/syn_protection/filters/{filter_id}]

Name on the gateway: cloudflare_api__update_syn_protection_filter · may change things.

Parameters

NameTypeDescription
account_id requiredstringaccount_id parameter
filter_id requiredstringfilter_id parameter
expressionstringThe new filter expression. Optional.
modestringThe new mode for the filter. Optional. Must be…

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:

call_tool arguments
{
  "name": "cloudflare_api__update_syn_protection_filter",
  "arguments": {
    "account_id": "…",
    "filter_id": "…"
  }
}

Or connect the Cloudflare API server directly, which lists 3,127 tools including this one:

Run in your terminal
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 update syn protection filter. tool with account_id set to ….

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