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karbassi

slack-mcp

by karbassi

views_open

Open a Slack modal or view for a user using a trigger ID and view configuration.

Instructions

Open a view for a user.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
trigger_idYes
viewYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior1/5

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

No annotations provided, and the description does not disclose any behavioral traits (e.g., whether it mutates state, requires auth, or has side effects). The term 'open' implies a state change, but it's unclear.

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

Conciseness2/5

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

The description is a single sentence, which is concise, but it lacks necessary detail to be useful. It is under-specified rather than efficiently informative.

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?

With no annotations, no output schema visible, and a nested object parameter, the description is woefully incomplete. An agent would not know the return value or how to structure the view object.

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?

The input schema includes trigger_id and view (object) with 0% description coverage. The description adds no meaning beyond the schema—e.g., does not explain that trigger_id comes from an interaction or that view contains the view payload.

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

Purpose3/5

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

The description states 'Open a view for a user,' which specifies a verb and resource. However, it is vague—'view' could refer to modals, home tabs, etc., and doesn't distinguish from sibling tools like views_publish or views_push.

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 vs. alternatives. Sibling tools include views_publish, views_push, views_update, but the description provides no context for selection.

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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