PowerPlatform MCP

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

With no annotations provided, the description carries full responsibility for behavioral disclosure but offers minimal detail. It states 'Get all' without clarifying the pagination behavior implied by the maxRecords parameter (default 100), and omits return format, auth requirements, or rate limiting context.

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 with the action verb front-loaded. While appropriately brief, the extreme conciseness contributes to the lack of behavioral and usage context, preventing a higher score.

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 low complexity (2 simple parameters, no nested objects, 100% schema coverage) and absence of an output schema, the description adequately identifies the resource domain. However, it fails to compensate for missing annotations regarding pagination, return structure, or side effects.

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 100% description coverage for both parameters (maxRecords and environment), establishing a baseline of 3. The description does not add supplementary parameter semantics (e.g., valid environment values, maxRecords constraints) beyond what the schema already provides.

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 states a specific verb ('Get') and resource ('service endpoints'), and clarifies scope with concrete examples (Service Bus, webhooks, Event Hub, Event Grid). However, it does not explicitly differentiate from the many sibling 'get-' tools, relying instead on the specific resource name to imply distinctiveness.

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 does not mention prerequisites, environment selection logic, or relationships to sibling tools like get-flows or get-solutions that might also interact with endpoint configurations.

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