MCP Datadog Server

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

No annotations are provided, so the description carries full burden for behavioral disclosure. While 'Create' implies a write/mutation operation, the description doesn't disclose any behavioral traits: no information about required permissions, whether this is idempotent, what happens on failure, rate limits, or what the response contains. This leaves significant gaps for an agent to understand how to use it safely.

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 that directly states the tool's purpose without any unnecessary words. It's appropriately sized and front-loaded, with every word earning its place.

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 this is a creation/mutation tool with no annotations, no output schema, and no parameters, the description is incomplete. It doesn't explain what a 'service object' entails in PagerDuty context, what data might be returned, or any behavioral constraints. For a mutation operation, this level of documentation is inadequate despite the simple parameter situation.

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% schema description coverage (empty schema). The description doesn't need to compensate for any parameter documentation gaps. A baseline of 4 is appropriate since there are no parameters to document, though the description could theoretically mention that no parameters are required.

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 clearly states the action ('Create a new service object') and the target resource ('in the PagerDuty integration'), providing a specific verb+resource combination. However, it doesn't distinguish this from sibling tools like 'create_integration_opsgenie_services' or 'create_integration_ms_teams_configuration_tenant_based_handles', which follow similar patterns for different integrations.

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. It doesn't mention prerequisites (e.g., needing PagerDuty integration configured), when-not-to-use scenarios, or how it differs from other service creation tools in the sibling list like 'create_services_definitions'.

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