AlibabaCloud DevOps MCP Server

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states 'Add' which implies a write/mutation operation, but provides no information about permissions required, whether the operation is idempotent, what happens if hosts already exist in the group, error conditions, or what the response looks like. For a mutation tool with zero annotation coverage, this is insufficient.

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 at just 6 words. It's front-loaded with the core action and resource. However, the bracketed '[application delivery]' adds minimal value and could be considered wasted space that could have been used for more useful information.

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 mutation tool with 3 required parameters, no annotations, and no output schema, the description is inadequate. It doesn't explain what happens after the operation, what success/failure looks like, or any side effects. The description should provide more context about the operation's behavior and outcomes given the lack of structured metadata.

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 schema description coverage is 100%, so the schema already documents all three parameters thoroughly. The description adds no additional parameter information beyond what's in the schema. According to the scoring rules, when schema coverage is high (>80%), the baseline is 3 even with no param info in the description.

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 ('Add host list') and target resource ('to host group'), making the purpose immediately understandable. It distinguishes from the sibling 'add_host_list_to_deploy_group' by specifying 'host group' rather than 'deploy group'. However, it doesn't fully differentiate beyond the resource name difference.

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, constraints, or when to choose this over similar tools like 'add_host_list_to_deploy_group'. The only contextual hint is the bracketed '[application delivery]' which is too vague to be actionable.

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