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karbassi

slack-mcp

by karbassi

slack_lists_items_list

List items in a Slack list by list ID, with optional pagination and archived filter.

Instructions

List items in a list.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum number of items to return per page.
cursorNoPagination cursor from a previous response's ``response_metadata.next_cursor``.
list_idYesID of the list (a file ID) whose items to return (e.g. ``F0123``).
archivedNoWhen ``True``, return archived items instead of active ones.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations provided. Description does not disclose that the tool is read-only, paginated, or that it can filter by archived status. The input schema provides parameter descriptions, but the overall behavior is unclear.

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?

Extremely concise single sentence. No fluff, but lacks important context. Efficient but under-specified.

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?

Given the complexity of paginated list tools and the presence of many sibling tools, the description is too minimal. Missing context about pagination, filtering, and output structure, despite having an output schema.

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%, so baseline is 3. The description adds no additional meaning beyond what the schema already provides for parameters like limit, cursor, list_id, archived.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the action (list) and resource (items in a list). It distinguishes from sibling tools like slack_lists_items_create. However, it could be more specific about pagination or read-only nature.

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 like slack_lists_items_info (which returns a single item) or slack_lists_create. Does not mention typical use cases or prerequisites.

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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