testmo_append_automation_run · Testmo MCP: Risk & Policy

WHAT IT DOES

What testmo_append_automation_run does on Testmo

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

WHY IT NEEDS A POLICY

Why testmo_append_automation_run needs a policy

The tool modifies an existing automation run by appending data (artifacts, fields, links). This is a reversible write operation — it adds data to an existing record but does not delete or irreversibly alter it. Misuse could corrupt test run data but is not destructive or financial in nature.

From the tool's definition Append test artifacts, fields, or links to an existing automation run

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

testmo_append_automation_run Rate-limited

testmo_append_automation_run 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": {
    "testmo_append_automation_run": {
      "limits": [
        {
          "counter": "testmo_append_automation_run_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 Testmo, so you can run agents against it safely.

FAQ

Questions about testmo_append_automation_run

What does the testmo_append_automation_run tool do? +

Append test artifacts, fields, or links to an existing automation run. It is categorised as a Write tool in the Testmo MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on testmo_append_automation_run? +

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

What risk level is testmo_append_automation_run? +

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

Can I rate-limit testmo_append_automation_run? +

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

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

testmo_append_automation_run is provided by the Testmo MCP server (strelec00/testmo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.