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agrath

Atlassian Trello MCP Server

trello_remove_label_from_card

Remove a label by its ID from a specified Trello card.

Instructions

Remove a label from a Trello card.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
apiKeyNoTrello API key (optional if TRELLO_API_KEY env var is set)
tokenNoTrello API token (optional if TRELLO_TOKEN env var is set)
cardIdYesID of the card to remove the label from
labelIdYesID of the label to remove
Behavior2/5

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

No annotations; description only states the action without disclosing side effects, error conditions, or authentication requirements beyond what schema implies.

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

Conciseness4/5

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

Single succinct sentence with no wasted words, though could be more informative.

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

Completeness2/5

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

Lacks behavioral context (e.g., label must be attached, no output schema), making it incomplete for a practical agent despite low complexity.

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 covers 100% of parameters with descriptions; the tool description adds no extra meaning beyond schema.

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?

Clearly states verb 'remove' and resource 'label from a Trello card', distinguishing from siblings like trello_add_label_to_card and trello_delete_label.

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 on when to use this tool versus alternatives (e.g., trello_delete_label), no prerequisites or exclusions mentioned.

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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