append_to_spreadsheet

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

No annotations exist, so the description must carry the full behavioral burden. It discloses that values must be a JSON 2D array and gives a range example, but does not explain if the operation is idempotent, if it requires authentication, what happens on error, or what the output is (no output schema). The mutation nature is implied but not thoroughly disclosed.

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 very short (two sentences), which is concise but lacks structure. It front-loads the core purpose, but could be organized with clearer sections or bullet points for readability. Every sentence earns its place, but more could be said without becoming verbose.

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?

Given the complexity of three required parameters, no output schema, and no annotations, the description is incomplete. It does not explain return values, error handling, or the precise effect on the spreadsheet (e.g., appends to the last row). It provides basic intent but not enough for an agent to use it correctly without risk.

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 must add meaning. It explains 'values' as a JSON 2D array and gives a hint about 'range' (e.g., 'Sheet1!A1'), but does not clarify 'spreadsheet_id' at all. The added value is partial and insufficient for full parameter understanding.

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 'Append rows to a spreadsheet', which is a specific verb+resource. It distinguishes itself from sibling tools like 'batch_update_spreadsheet' or 'update_spreadsheet' by indicating addition rather than modification. However, the mention of 'Range' could be slightly confusing as it might imply starting cell rather than the typical append-after-last-row behavior.

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. There is no mention of prerequisites, limitations, or when-not-to-use. The implied usage is for adding new rows, but without contrasting with siblings like 'batch_update_spreadsheet' (which can also append), the guidance is minimal.

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