update_label

Update a Trello label.

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/update-label.md

What update_label does on Trello MCP Server

AI agents use update_label 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.

Why update_label is rated Medium

This tool creates or modifies data reversibly by updating an existing Trello label. It does not delete (Destructive), execute arbitrary code (Execute), involve financial transactions (Financial), or simply retrieve data (Read). The medium severity reflects that label updates affect card organization and visibility across a board, but the blast radius is limited to label metadata and the change is reversible.

From the tool's definition Tool name 'update_label' and server description explicitly lists 'full CRUD operations' including update capability. The tool modifies label properties (color, name, etc.) in a reversible manner.

Questions about update_label

What does the update_label tool do? +

Update a Trello label. 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 update_label? +

Register the Trello MCP Server MCP server in PolicyLayer and add a rule for update_label: 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 update_label? +

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

Can I rate-limit update_label? +

Yes. Add a rate_limit block to the update_label 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_label completely? +

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

update_label 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.

More on Trello MCP Server, and thousands of servers like it.

// THE MCP REGISTRY

PolicyLayer tracks 44,603 MCP servers and 515,000+ tools.

Every server has a live record: who publishes it, whether it answers without auth, its risk grade, every tool classified, the recommended policy. This page is one line of Trello MCP Server's. Pull the full record:

Teams ship this data inside their own products. See what a licence covers →

// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.