create_txt_record · Spaceship MCP: Risk & Policy

WHAT IT DOES

What create_txt_record does on Spaceship

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

WHY IT NEEDS A POLICY

Why create_txt_record needs a policy

This tool creates new DNS TXT records, which is a reversible Write operation (records can be modified or deleted later). However, TXT records control critical security and authentication mechanisms (SPF/DKIM/DMARC) for email domains. Misconfigured TXT records by an untrusted AI agent could disable email authentication, cause mail delivery failures, or enable spoofing attacks.

From the tool's definition Tool name is 'create_txt_record' and description states 'Create a TXT record (text data) for a domain.' The verb 'Create' indicates data modification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_txt_record Rate-limited

create_txt_record 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": {
    "create_txt_record": {
      "limits": [
        {
          "counter": "create_txt_record_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Spaceship, so you can run agents against it safely.

FAQ

Questions about create_txt_record

What does the create_txt_record tool do? +

Create a TXT record (text data) for a domain. Useful for SPF, DKIM, DMARC, verification, etc. It is categorised as a Write tool in the Spaceship MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_txt_record? +

Register the Spaceship MCP server in PolicyLayer and add a rule for create_txt_record: 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 Spaceship. Nothing to install.

What risk level is create_txt_record? +

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

Can I rate-limit create_txt_record? +

Yes. Add a rate_limit block to the create_txt_record 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 create_txt_record completely? +

Set action: deny in the PolicyLayer policy for create_txt_record. 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 create_txt_record? +

create_txt_record is provided by the Spaceship MCP server (naveenkm007/spaceship-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.