add_checklist_item

A write tool on the Trello MCP server.

SERVERTrello MCP Server SOURCEabdwyer/trellomcp

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/abdwyer-trellomcp/add-checklist-item.md

WHAT IT DOES

What add_checklist_item does on Trello MCP Server

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

RISK

Why add_checklist_item is rated Medium

This tool creates or modifies checklist items on Trello cards, which is a reversible data modification operation. The empty description reduces confidence slightly, but the naming convention and sibling tools (add_checklist_items, create_card, create_checklist) clearly indicate Write functionality.

From the tool's definition Tool name 'add_checklist_item' indicates creation/modification of checklist data; sibling context shows full CRUD operations supported by the server; server description notes 'create' operations and 'card movement'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_checklist_item safely

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

add_checklist_item Rate-limited

add_checklist_item 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": {
    "add_checklist_item": {
      "limits": [
        {
          "counter": "add_checklist_item_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 Trello MCP Server, apply this rule, and every add_checklist_item call is checked against it from then on.

FAQ

Questions about add_checklist_item

What does the add_checklist_item tool do? +

add_checklist_item is a write tool on the Trello MCP Server MCP server. It is categorised as a Write tool in the Trello MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_checklist_item? +

Register the Trello MCP Server MCP server in PolicyLayer and add a rule for add_checklist_item: 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 Trello MCP Server. Nothing to install.

What risk level is add_checklist_item? +

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

Can I rate-limit add_checklist_item? +

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

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

add_checklist_item is provided by the Trello MCP Server MCP server (abdwyer/trellomcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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