Vultr MCP

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

No annotations are provided, so the description carries the full burden. It mentions 'Delete' and 'Deletion status message', implying a destructive operation, but does not disclose critical behavioral traits such as whether deletion is irreversible, requires specific permissions, has side effects on workloads, or involves rate limits. This is a significant gap for a destructive tool with zero annotation coverage.

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 appropriately sized and front-loaded with the core purpose, followed by structured sections for Args and Returns. Every sentence adds value, though the 'Smart identifier resolution' note could be more integrated. It avoids unnecessary verbosity.

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 tool's destructive nature, 3 parameters, 0% schema coverage, no annotations, and no output schema, the description is incomplete. It covers parameters but lacks critical behavioral details (e.g., irreversibility, permissions, effects) and output specifics beyond a vague 'Deletion status message'. More context is needed for safe and effective use.

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%, but the description compensates by explaining all three parameters in the 'Args' section, adding meaning beyond the bare schema. It clarifies that identifiers can be labels or UUIDs and specifies their purposes (cluster, node pool, node), though it lacks format examples or constraints. This is above baseline for 0% coverage.

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 specific action ('Delete a specific node from a node pool') and resource ('node'), distinguishing it from sibling tools like 'delete_kubernetes_cluster' or 'delete_kubernetes_node_pool' by specifying node-level deletion. It provides a precise verb+resource combination.

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 implies usage through 'Smart identifier resolution' (labels or UUIDs) but does not explicitly state when to use this tool versus alternatives like 'recycle_kubernetes_node' or other deletion tools. It provides some context but lacks explicit when/when-not guidance or named alternatives.

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