blend-ai

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

No annotations are provided, so the description carries full burden. It states the tool 'subdivide[s] a mesh' which implies a mutation operation, but doesn't disclose important behavioral aspects like whether this is destructive/irreversible, what permissions are needed, whether it modifies the original mesh or creates a new one, or any performance implications of the cuts parameter.

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 efficiently structured with a clear purpose statement followed by organized sections for Args and Returns. Every sentence earns its place, and the information is front-loaded with the core functionality stated first.

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 no annotations and an output schema present, the description covers the basic operation and parameters adequately. However, it lacks important context about the tool's behavioral impact (destructive vs. non-destructive, side effects) and doesn't explain what 'Confirmation dict' contains despite having an output schema.

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?

With 0% schema description coverage, the description compensates well by explaining both parameters: 'object_name' identifies the target mesh, and 'cuts' specifies subdivision intensity with a clear range (1-100). This adds meaningful context beyond the bare schema, though it doesn't explain the default value's significance.

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 verb ('subdivide') and resource ('a mesh'), making the purpose immediately understandable. However, it doesn't distinguish this tool from potential sibling mesh modification tools like 'bevel_edges' or 'remesh' beyond the basic operation name.

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. With many sibling tools for mesh manipulation (bevel_edges, remesh, extrude_faces, etc.), there's no indication of when subdivision is appropriate versus other mesh modification techniques.

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