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Eyalm321
by Eyalm321

zernio_send_whatsapp_bulk

Send a bulk WhatsApp message using an approved template to multiple contacts at once.

Instructions

Send a bulk WhatsApp message using a template to multiple contacts at once.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
accountIdYesThe WhatsApp Business account ID
templateNameYesThe approved template name to send
contactsYesList of contact IDs or phone numbers to send to
Behavior2/5

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

No annotations provided, and description does not disclose behavioral details such as rate limits, immediate vs queued sending, template approval requirements, or contact pre-existence.

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

Conciseness5/5

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

Single sentence, front-loaded with action, no unnecessary words. Efficiently conveys core purpose.

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?

For a bulk sending tool, description lacks essential context like contact requirements, sending limits, or scheduling. Incomplete for safe agent decision-making.

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 parameters are already well documented. Description adds no additional meaning beyond the schema's parameter descriptions.

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

Purpose5/5

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

Description clearly states verb 'send', resource 'bulk WhatsApp message using a template', and target 'multiple contacts at once'. This distinguishes it from single-message tools like zernio_send_message and broadcast tools.

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 on when to use this tool vs alternatives (e.g., send_broadcast, send_message). Does not mention prerequisites or limitations of bulk sending.

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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