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zebbern

Webhook.site MCP Server

by zebbern

send_multiple_requests

Send multiple HTTP requests to a webhook simultaneously for load testing or batch payload delivery.

Instructions

Send multiple requests to a webhook in batch. Useful for load testing or sending multiple test payloads at once.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
delay_msNoDelay between requests in milliseconds (default: 0)
payloadsYesArray of JSON payloads to send to the webhook
webhook_tokenYesThe webhook token (UUID) from webhook.site
Behavior2/5

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 states the tool sends requests in batch but omits details like rate limits, error handling, order of delivery, or any side effects. This is insufficient for a tool that sends multiple network requests.

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?

The description consists of two succinct sentences, front-loaded with the primary action. Every word adds value, with no redundancy or fluff.

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

Completeness3/5

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

Given 3 parameters and no output schema, the description is acceptable but not complete. It lacks information about return values, error conditions, and limits. For a batch operation, details like response aggregation or handling of individual failures would be beneficial.

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 description coverage is 100%, so the baseline is 3. The description does not add extra meaning beyond the schema's parameter descriptions; it merely restates the batch purpose. No additional guidance on parameter usage is provided.

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?

The description explicitly states 'Send multiple requests to a webhook in batch', clearly identifying the action (send multiple requests) and resource (webhook). It distinguishes from the sibling tool 'send_to_webhook' by emphasizing batch versus single requests.

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

Usage Guidelines4/5

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

The description provides explicit use cases: 'useful for load testing or sending multiple test payloads at once'. It gives clear context on when to use the tool, though it doesn't specify when not to use it or mention alternatives.

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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