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ttpears

GitLab MCP Server

by ttpears

List Broadcast Messages

list_broadcast_messages
Read-onlyIdempotent

Retrieve a paginated list of all GitLab broadcast messages, which are instance-wide announcements. Use this to view current and scheduled messages.

Instructions

List all GitLab broadcast messages (instance-wide announcements). Read-only.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNoPage number (1-based)
perPageNoResults per page
userCredentialsNoYour GitLab credentials (optional — falls back to the configured env token if not provided)
Behavior2/5

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

Description adds only 'Read-only,' which is already conveyed by readOnlyHint=true annotation. No additional behavioral context.

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?

One sentence, front-loaded, no wasted words. Appropriate length.

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?

Simple tool with full schema coverage; no output schema but expected output is obvious. Minor improvement possible with pagination info.

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 coverage 100%; description does not add meaning beyond schema. Baseline score.

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?

Clearly states 'List all GitLab broadcast messages (instance-wide announcements).' Verb+resource+scope, distinct from get_broadcast_message.

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 explicit guidance on when to use this vs alternatives like get_broadcast_message or search. Missing when-not or context.

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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