util_caa_issue_hosts

Extract issue/issuewild hosts from CAA record texts

SERVERDelx Mcp A2a SOURCEhttps://api.delx.ai/v1/mcp

Medium RISK CLASS

Category Write

Parameters 11 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-davidmosiah-delx-mcp-a2a/util-caa-issue-hosts.md

WHAT IT DOES

What util_caa_issue_hosts does on Delx Mcp A2a

AI agents use util_caa_issue_hosts to create or update resources in Delx Mcp A2a, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Delx Mcp A2a environment.

Parameter	Type	Required	Description
`records`	array	Yes	List of CAA record strings

Parameters from the server's own tool schema.

RISK

Why util_caa_issue_hosts is rated Medium

An AI agent can call util_caa_issue_hosts faster than any human can review: one bad instruction and it creates or modifies resources in Delx Mcp A2a by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs util_caa_issue_hosts safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Delx Mcp A2a, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For util_caa_issue_hosts, this is the rule to start with:

util_caa_issue_hosts Rate-limited

util_caa_issue_hosts stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "util_caa_issue_hosts": {
      "limits": [
        {
          "counter": "util_caa_issue_hosts_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Delx Mcp A2a, apply this rule, and every util_caa_issue_hosts call is checked against it from then on.

FAQ

Questions about util_caa_issue_hosts

What does the util_caa_issue_hosts tool do? +

Extract issue/issuewild hosts from CAA record texts. It is categorised as a Write tool in the Delx Mcp A2a MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does util_caa_issue_hosts accept? +

util_caa_issue_hosts accepts 1 parameter: records. Required: records. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on util_caa_issue_hosts? +

Register the Delx Mcp A2a MCP server in PolicyLayer and add a rule for util_caa_issue_hosts: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Delx Mcp A2a. Nothing to install.

What risk level is util_caa_issue_hosts? +

util_caa_issue_hosts is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit util_caa_issue_hosts? +

Yes. Add a rate_limit block to the util_caa_issue_hosts rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block util_caa_issue_hosts completely? +

Set action: deny in the PolicyLayer policy for util_caa_issue_hosts. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides util_caa_issue_hosts? +

util_caa_issue_hosts is provided by the Delx Mcp A2a MCP server (https://api.delx.ai/v1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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