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fill_form_by_uid

Fill multiple form fields simultaneously by specifying UID-value pairs for each element.

Instructions

Fill multiple form fields at once.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
elementsYesArray of {uid, value} pairs
Behavior2/5

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

With no annotations, the description should disclose behavioral traits. It only says 'Fill multiple form fields at once,' lacking details on effects like overwriting existing values, validation, or whether the form is submitted. This is insufficient for an AI agent to predict outcomes.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence, which is concise but overly brief. It lacks important context that could be added without much length. The sentence is front-loaded with the core action, but the brevity reduces clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the absence of output schema and annotations, the description should provide more context about behavior, side effects, and return values. It does not explain what happens after filling—e.g., whether the form is submitted or if fields are cleared first. This is incomplete for a tool that modifies state.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the schema already documents the 'elements' parameter adequately. The description adds no new semantic information beyond restating the purpose. It meets the baseline but does not enhance understanding.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it fills multiple form fields at once, which indicates the action and resource. However, it does not differentiate from sibling tool 'fill_by_uid', which likely fills a single field. The name suggests a more specific scope than the description conveys.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives like 'fill_by_uid' or other form-related tools. There is no indication of prerequisites, context, or when not to use it.

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

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