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clickup_field_unset

Clear a custom field value on a ClickUp task, resetting it to empty without removing the field definition. Use this to unset a field before assigning a new value.

Instructions

Clear a custom field value on a ClickUp task — sets it back to empty/unset. The field definition on the list remains intact. Use clickup_field_set to assign a new value instead. Returns an empty object on success.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
field_idYesID of the custom field to clear. Obtain from clickup_field_list (field: id) or clickup_task_get (field: custom_fields[].id).
task_idYesID of the task. Obtain from clickup_task_list (field: id).
Behavior4/5

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

With no annotations, the description takes full responsibility. It explains that the field definition remains intact and returns an empty object on success, covering key behavioral aspects. Could elaborate on permissions or edge cases, but is adequate.

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 two sentences long, front-loaded with purpose and effect, and includes guidance on alternatives and return value. No unnecessary words.

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

Completeness4/5

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

The description covers the action, effect on field definition, return value, and provides a usage hint. It is complete for a simple clear operation, though it could mention permissions or preconditions.

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?

The input schema provides descriptions for both parameters, achieving 100% coverage. The tool description does not add additional parameter-level details beyond the schema, so baseline score of 3 is appropriate.

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 clearly states the tool clears a custom field value on a ClickUp task, using the specific verb 'clear' and resource 'custom field value on a task'. It distinguishes itself from the sibling tool clickup_field_set.

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

Usage Guidelines5/5

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

The description explicitly says 'Use clickup_field_set to assign a new value instead', providing a clear alternative and indicating when to use this tool (clearing) versus setting a value.

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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