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trello_add_checklist_item

Add an item to a Trello checklist by specifying the card, checklist, and text.

Instructions

Add an item to a checklist.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
textYes
cardIdYes
checklistIdYes
Behavior2/5

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

No annotations provided; description only states action without disclosing side effects (e.g., appends item, updates card, permissions required) or output format.

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

Conciseness3/5

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

Extremely concise (7 words) but at expense of completeness. Front-loaded with purpose, but lacks parameter or context details that would fit in a few more sentences.

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

Completeness1/5

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

Description fails to cover critical context: no output schema, no parameter hints, no behavioral details. Agent cannot determine return value or constraints for a 3-required-param tool.

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

Parameters1/5

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

Schema has 3 params (text, cardId, checklistId) with 0% description coverage. Description adds no meaning beyond the names; agent cannot infer required format or purpose of each parameter.

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?

Description clearly states the verb (add) and resource (item to a checklist), distinguishing it from sibling tools like trello_add_checklist (add checklist) or trello_add_comment (add comment).

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_update_checklist_item) or prerequisites (e.g., checklist must exist). Agent must infer usage from name alone.

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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