create_compose

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

With no annotations provided, the description carries the full burden of explaining side effects and behavior. It only says 'Create a Docker Compose service,' which implies mutation but does not disclose whether the service is persisted, whether it deploys immediately, what prerequisites exist, or how it interacts with the project. This is insufficient for a create operation with no safety annotations.

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, front-loaded sentence with no wasted words, which is structurally clean. However, it essentially restates the tool name and provides no added detail, so the brevity is under-specification rather than helpful conciseness. It is adequate but not exemplary.

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 two-parameter creation tool with no output schema and no annotations, a description should at least clarify lifecycle context: does this create a service definition in an existing project, and is deploy_compose needed afterward? The current description leaves those critical workflow details unspecified, making it incomplete for reliable agent 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 100%, so the schema already documents both parameters at a basic level. The description adds no extra meaning about the relationship between projectName and serviceName, such as whether projectName must refer to an existing project or whether serviceName is a new definition. Baseline 3 applies because the schema handles the parameter names and the description does not undermine that.

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 clear action ('Create') and a specific resource ('a Docker Compose service'), and the resource name distinguishes it from siblings like create_app and create_database. However, it does not explicitly differentiate itself from create_app or say how a Compose service relates to a project, so it is clear but lacks 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?

There is no guidance about when to use this tool versus alternatives. Nothing indicates whether it should be used before deploy_compose, whether it requires an existing project, or how it differs from create_app or create_project. The agent must infer usage entirely from the tool name and parameters.

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