save_shared_file

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

No annotations are provided, so the description must fully disclose behavioral traits. It only covers the encoding requirement for binary files but does not mention whether saves overwrite existing files, required permissions, workspace scope, size limits, or success/error responses. This significant gap limits transparency.

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 two sentences long, front-loaded with essential information, and every sentence contributes meaning. No redundancy or filler.

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 3-parameter tool with no output schema or annotations, the description covers the core purpose, usage context, and a critical encoding rule. However, it omits mention of return values, overwrite behavior, and workspace implications. These are minor gaps given the tool's simplicity.

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 coverage is 100%, so baseline is 3. The description adds value by explaining that binary files must be base64 encoded and that the encoding parameter defaults to 'base64' (implied by the mandatory base64 requirement). It also advises including file extensions in fileName. This guidance goes beyond 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 starts with a clear verb 'Saves' and specifies the resource 'file' into the workspace. It also distinguishes the tool from the sibling 'download_from_url' by explicitly stating that it avoids needing an external URL download, making its unique purpose evident.

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 when-to-use guidance: 'Use this to save generated images, PDFs, DOCX, or text files without needing an external URL download.' This contrasts with the download tool, but does not explicitly mention alternatives like 'share_files' for sharing existing files, nor does it list exclusions.

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