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Webhook.site MCP Server

by zebbern

get_webhook_requests

Retrieve all HTTP, email, or DNS requests captured by a Webhook.site endpoint using its token. Filter results by type and limit.

Instructions

Get all requests that have been sent to a webhook.site endpoint.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum number of requests to retrieve (default: 10)
request_typeNoFilter by request type: 'web' (HTTP requests), 'email', or 'dns'
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 bears full burden. It implies a read operation ('get') but does not explicitly state side-effect free behavior, rate limits, or pagination. The term 'all' is misleading given the limit parameter.

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

Conciseness4/5

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

Single sentence, no wasted words. However, the brevity sacrifices necessary detail for completeness.

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?

With no output schema and many sibling tools, the description is insufficient. It does not describe return format, how requests are ordered, or how it differs from get_latest_request. Missing critical context for effective use.

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% with parameter descriptions already present. The tool description adds no additional meaning beyond the schema, earning a baseline score of 3.

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 the tool retrieves requests sent to a webhook.site endpoint, using specific verb+resource. However, it says 'all requests' despite a limit parameter, and does not differentiate from siblings like get_latest_request or search_requests.

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 versus alternatives (e.g., get_latest_request, search_requests). The description lacks context for appropriate usage scenarios or exclusions.

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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