sync_recent_files

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

No annotations provided, so the description carries the full burden. It discloses that files are scanned and indexed, and only those created before the server started are considered. However, it does not explain if the tool modifies state (e.g., writes to an index), whether it is destructive, or any rate limits or authentication requirements.

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 sentence that efficiently communicates the core action and scope. It is front-loaded with the action and resource. However, it could be slightly more structured (e.g., listing use cases or conditions).

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?

The tool has two parameters and no output schema, so the description is relatively simple. It covers the what and where but lacks details about the indexing behavior, return format, or prerequisites. It is minimally complete but misses behavioral and usage context.

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?

Both parameters (type, limit) have descriptions in the schema, achieving 100% coverage. The description adds no further meaning beyond the schema, so baseline 3 is appropriate.

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 tool scans and indexes files in Desktop or Downloads, specifying the action (scan and index) and resource (files in specific folders with a temporal condition). The sibling tool names (get_recent_assets, search_vault, sync_notes_now) are distinct enough to avoid confusion.

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?

No explicit guidance on when to use this tool versus alternatives like get_recent_assets or search_vault. The description implies a specific use case (syncing files before server start) but does not state when not to use it or provide comparative context.

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