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Get Board Members

get_board_members

Retrieve the complete list of members assigned to a Trello board. Specify a board ID to get its members, or use the active board if none is provided.

Instructions

List all members of a board

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
boardIdNoID of the Trello board (uses the active/default board if not provided)
Behavior3/5

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

With no annotations, the description carries the full burden. 'List' implies a read-only operation, but it does not disclose the default board behavior (boardId optional), response format, or any permissions. This is minimal but not misleading.

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 sentence with no superfluous words, perfectly concise and front-loaded with the core action and resource.

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 tool with one optional parameter and no output schema, the description covers the basic purpose but omits context like the active board fallback (though present in schema) and what a 'member' list contains. It is adequate but not 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% because boardId has a description explaining it uses the active/default board if not provided. The tool description adds no additional parameter meaning, so the baseline of 3 applies.

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 'List all members of a board' uses a specific verb ('List') and resource ('members of a board'), clearly distinguishing it from sibling tools like get_my_cards or list_boards. It is precise and unambiguous.

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 usage guidelines are provided. The description gives no indication of when to use this tool vs alternatives, nor any prerequisites or exclusions. The only implicit guidance is the tool name and description.

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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