edit_task · Vaiz MCP: Risk & Policy

WHAT IT DOES

What edit_task does on Vaiz MCP

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

WHY IT NEEDS A POLICY

Why edit_task needs a policy

This tool modifies task data within the Vaiz workspace but does not delete or irreversibly destroy information. It falls under Write category. Severity is medium because misuse could alter task details (priority, assignee, deadlines), potentially disrupting team workflows and project coordination, but changes are auditable and reversible through subsequent edits or the get_document_history tool visible on the server.

From the tool's definition Tool name 'edit_task' and description 'Edit an existing task' indicate modification of existing data. The action is reversible (tasks can be edited again or reverted), with no deletion or financial implications.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

edit_task Rate-limited

edit_task 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": {
    "edit_task": {
      "limits": [
        {
          "counter": "edit_task_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 Vaiz MCP, so you can run agents against it safely.

FAQ

Questions about edit_task

What does the edit_task tool do? +

Edit an existing task in the Vaiz workspace. It is categorised as a Write tool in the Vaiz MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on edit_task? +

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

What risk level is edit_task? +

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

Can I rate-limit edit_task? +

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

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

edit_task is provided by the Vaiz MCP server (vaizcom/vaiz-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.