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montumodi

MongoDB Atlas MCP Server

by montumodi

cluster_get_all

Retrieve all clusters in your MongoDB Atlas project. Optionally, include pagination parameters to control results.

Instructions

Get all clusters in the project

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
optionsNoOptional parameters for pagination
Behavior2/5

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

With no annotations, the description must disclose behavioral traits. It only states the purpose, omitting details on whether the operation is read-only, required permissions, pagination behavior, or potential performance implications.

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 a single sentence with no extraneous information, efficiently conveying the tool's purpose.

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 lack of output schema and the tool's nature (listing all clusters), the description should include return format or pagination details. It does not address these, leaving the agent underinformed.

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 is 100%, so the input schema already documents the 'options' parameter. The description does not add additional meaning beyond what the schema provides, meeting the baseline for high coverage.

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 'Get all clusters in the project', specifying the verb ('get') and resource ('all clusters'), and differentiates it from the sibling 'cluster_get' which retrieves a single cluster.

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

Usage Guidelines3/5

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

The description implies use for retrieving all clusters, but provides no explicit guidance on when to use this tool versus alternatives like 'cluster_get' or 'cluster_get_advanced_configuration', nor mentions pagination behavior.

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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