Veeam VBR v13 MCP Server

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

With no annotations provided, the description carries full burden but only states the action without behavioral details. It doesn't disclose whether this is a mutating operation, what permissions are required, if it's idempotent, what happens on failure, or any rate limits. This is inadequate for a tool that likely modifies licensing state.

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, clear sentence with no wasted words. It's front-loaded with the core action and target, making it efficient and easy to parse, though this conciseness comes at the cost of detail.

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?

For a tool with no annotations, 0% schema coverage, and no output schema, the description is insufficient. It doesn't cover behavioral aspects like mutation effects, error conditions, or return values, leaving critical gaps for an agent to understand and invoke the tool correctly.

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?

Schema description coverage is 0% with one parameter ('instanceId'), and the description adds no information about this parameter. It doesn't explain what an 'instanceId' represents, its format, or how it relates to the 'workload' mentioned, failing to compensate for the lack of schema documentation.

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 the action ('Assign') and target ('instance license to a workload'), which clarifies the basic purpose. However, it lacks specificity about what an 'instance license' or 'workload' means in this context, and doesn't differentiate from sibling tools like 'RemoveInstanceLicense' or 'RevokeInstanceLicense' beyond the opposite action direction.

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?

No guidance is provided on when to use this tool versus alternatives. The description doesn't mention prerequisites (e.g., license availability, workload eligibility), exclusions, or relationships to sibling tools such as 'RemoveInstanceLicense' or 'RevokeInstanceLicense', leaving usage context ambiguous.

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