update_task_list

Update an existing task list

SERVERVaultAssist SOURCE3xcaffeine/mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/3xcaffeine-mcp-server/update-task-list.md

WHAT IT DOES

What update_task_list does on VaultAssist

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

RISK

Why update_task_list is rated Medium

This tool modifies task list data reversibly through Google Tasks. While it changes user data (medium severity due to potential for unintended task modifications affecting workflows), it does not delete data (not Destructive), execute arbitrary code (not Execute), involve financial transactions (not Financial), or merely retrieve information (not Read).

From the tool's definition Tool name 'update_task_list' and description 'Update an existing task list' indicate modification of existing data without deletion or financial impact.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_task_list safely

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

update_task_list Rate-limited

update_task_list 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": {
    "update_task_list": {
      "limits": [
        {
          "counter": "update_task_list_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 VaultAssist, apply this rule, and every update_task_list call is checked against it from then on.

FAQ

Questions about update_task_list

What does the update_task_list tool do? +

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

How do I enforce a policy on update_task_list? +

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

What risk level is update_task_list? +

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

Can I rate-limit update_task_list? +

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

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

update_task_list is provided by the VaultAssist MCP server (3xcaffeine/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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