blend-ai

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

With no annotations provided, the description carries full burden. It discloses key behavioral traits: the overwrite behavior when filepath is empty, the 'Save As' functionality when provided, and the .blend extension requirement. However, it doesn't mention permission requirements, error conditions, or what happens if the path is invalid - leaving some behavioral gaps.

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?

Perfectly structured with a clear purpose statement first, followed by conditional behavior explanation, then parameter details, and return information. Every sentence earns its place with zero waste - the entire description is information-dense and front-loaded.

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 single-parameter mutation tool with no annotations and no output schema, the description does an excellent job covering the core functionality, parameter semantics, and return value. The main gap is lack of error handling or permission information, but given the tool's relative simplicity, it's mostly complete.

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 and only one parameter, the description fully compensates by explaining both the optional nature of filepath and the semantic difference between empty string (overwrite) and provided path ('Save As'). It adds crucial meaning beyond the bare schema, including the .blend extension requirement not in the schema.

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 ('Save the current Blender file') and distinguishes it from siblings like 'open_file' and 'export_file' by focusing on saving the current working file rather than opening external files or exporting to different formats. The verb+resource combination is precise and unambiguous.

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 clear context on when to use different modes (empty filepath for overwrite vs. provided filepath for 'Save As'), but doesn't explicitly mention when not to use this tool or alternatives like 'export_file' for non-Blender formats. The guidance is practical but lacks sibling differentiation.

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