MCP Datadog Server

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It states 'Get a list', implying a read-only operation, but does not specify whether this requires authentication, returns paginated results, includes nested data, or has any rate limits. For a tool with zero annotation coverage, this is a significant gap in transparency.

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

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

The description is a single, efficient sentence: 'Get a list of memberships for a user'. It is front-loaded with the core action and resource, with no unnecessary words or redundancy, making it highly concise and well-structured for quick understanding.

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

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

Given the lack of annotations, no output schema, and the presence of similar sibling tools (e.g., 'get_team_memberships'), the description is incomplete. It does not clarify the scope of 'memberships', return format, or how it differs from alternatives, leaving the agent with insufficient context to use the tool effectively in a complex environment.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 0 parameters with 100% coverage, meaning no parameters are documented in the schema. The description does not mention any parameters, which is appropriate since none exist. It adds no semantic value beyond the schema, but with zero parameters, the baseline is high as there is nothing to compensate for.

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

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

The description 'Get a list of memberships for a user' clearly states the verb ('Get') and resource ('memberships for a user'), making the purpose understandable. However, it lacks specificity about what 'memberships' entails (e.g., team memberships, role memberships) and does not differentiate from sibling tools like 'get_team_memberships' or 'get_user', which are present in the sibling list, leaving room for ambiguity.

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

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

The description provides no guidance on when to use this tool versus alternatives. With sibling tools like 'get_team_memberships', 'get_user', and 'get_users' available, there is no indication of whether this tool is for retrieving all memberships for a specific user or if it serves a distinct purpose, leading to potential misuse without additional context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.