AlibabaCloud DevOps MCP 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. It states the tool performs a deletion, implying a destructive mutation, but doesn't disclose critical behavioral traits: whether deletion is permanent or reversible, required permissions, side effects (e.g., impact on dependent configurations), error conditions, or response format. For a destructive tool with zero annotation coverage, this is a significant gap.

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 extremely concise—a single sentence with no wasted words. It front-loads the key action and resource, making it easy to parse. Every element (bracketed context, verb, object) earns its place efficiently.

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 complexity (destructive mutation with 3 parameters), lack of annotations, and no output schema, the description is incomplete. It doesn't cover behavioral aspects like safety, permissions, or return values, leaving gaps for an AI agent to operate safely. For a deletion tool, this is inadequate despite the concise purpose statement.

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 100%, with all three parameters documented in the schema (organizationId, appName, variableGroupName). The description adds no parameter-specific information beyond implying these are needed to identify the variable group. With high schema coverage, the baseline is 3, as the description doesn't enhance parameter understanding but doesn't detract either.

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 ('Delete') and target resource ('a variable group'), with the bracketed context '[application delivery]' providing domain specificity. It distinguishes from sibling tools like 'create_variable_group' and 'update_variable_group' by the verb, though it doesn't explicitly contrast them. The purpose is unambiguous but lacks explicit sibling differentiation.

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. It doesn't mention prerequisites (e.g., needing to identify the variable group first), consequences of deletion, or when to choose deletion over other operations like updating. The description is purely declarative without usage context.

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