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clickup_field_list

List custom field definitions on a ClickUp list to retrieve field IDs, names, types, and option values, preparing for field updates.

Instructions

List the custom field definitions available on a ClickUp list — field id, name, type (text, number, drop_down, labels, date, url, email, phone, money, progress, formula, etc.), and for drop_down/labels fields the permitted option values extracted from type_config.options. Use this before clickup_field_set to learn the correct field_id, option ids, and value shape. Returns an array of custom field definitions.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
list_idYesID of the list whose custom fields to enumerate. Obtain from clickup_list_list (field: id). Fields are defined per-list (or inherited from folder/space).
Behavior4/5

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

No annotations provided, so description carries full burden. It discloses that the tool returns an array of custom field definitions with specific details (field id, name, type, and option values for drop_down/labels). Implicitly read-only, but not explicitly stated. Adequate for a list operation.

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?

Two sentences packed with useful information. First sentence enumerates returned fields, second sentence gives usage guidance. No wasted words.

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

Completeness5/5

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

For a simple list tool with one parameter, the description covers purpose, input, and output details. No output schema, but description explains return shape sufficiently.

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%, already explaining list_id as the list ID and how to obtain it. The description adds no further parameter semantics beyond what the schema provides, so baseline score 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 clearly states the tool lists custom field definitions on a ClickUp list, specifying exact fields returned (id, name, type, etc.) and extraction of option values from type_config.options. It distinguishes itself from related siblings like clickup_field_set and clickup_field_unset.

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

Usage Guidelines4/5

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

Explicitly advises using this before clickup_field_set to learn field_id, option ids, and value shape. Also mentions obtaining list_id from clickup_list_list. Lacks explicit guidance on when not to use, but the context is clear.

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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