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Trello MCP Server

Trello MCP Server

by JulianKerignard
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

remove_label_from_card

Remove a label from a Trello card by providing the card ID and label ID, helping keep card labels accurate.

Instructions

Retire un label d'une carte Trello

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "cardId": "<cardId>",
      "labelId": "<labelId>"
    },
    "name": "remove_label_from_card"
  }
}

Input Schema

NameRequiredDescriptionDefault
cardIdYesParameter cardId (24 characters)
labelIdYesParameter labelId (24 characters)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.1.0

TDQS

B3.3/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the full burden of behavioral disclosure. It communicates the core mutation (removing a label from a card) but does not clarify whether the label itself is deleted, whether the action is reversible, or what happens if the label is not currently on the card.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single concise sentence with no filler. It front-loads the action and resource, making it easy to scan and understand quickly.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple two-parameter operation, the description plus schema is sufficient for basic invocation. However, because there are no annotations and the tool mutates state, more context about side effects, reversibility, or edge cases would make it more complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so both cardId and labelId are already documented with types and length constraints. The description adds no additional parameter meaning, which is acceptable because the schema handles the semantics.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific action ('Retire' / removes) applied to a specific resource (a label from a Trello card). It is unambiguous and clearly distinct from siblings like add_label_to_card or delete_label, since it scopes the removal to the card-label relationship.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is given about when to use this tool versus alternatives such as add_label_to_card or delete_label. There is no mention of contexts, exclusions, or related operations, so the agent must infer usage from the tool name and siblings.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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