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js-cohn

Webhook.site MCP Server

by js-cohn

get_token

Fetch details and configuration for a Webhook.site token. Provide the token UUID or API key to view its settings.

Instructions

Get details and configuration of a Webhook.site token.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
api_keyNoOptional Webhook.site API key (or use WEBHOOK_SITE_API_KEY env var)
token_idNoThe Webhook.site token UUID (or use WEBHOOK_SITE_TOKEN_ID env var)

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It only says 'Get details and configuration' and does not mention authentication, side effects, error behavior, or confirm that it is a safe, read-only operation. It adds no behavioral context beyond what the tool's name suggests.

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 is a single, well-structured sentence with no filler. It starts with the verb 'Get,' then the resource and scope, maximizing clarity and efficiency.

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

Completeness4/5

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

The tool is simple and the input schema is fully described, with an output schema present to define return values. However, the description lacks guidance on when to use this tool versus siblings and does not explicitly mention its read-only nature. Given the minimal scope, this is still fairly complete.

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?

The input schema fully describes both parameters (api_key and token_id) with 100% coverage, including their optionality and env var fallbacks. The description adds no further parameter context, so the baseline score of 3 applies.

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 clearly states the action ('Get') and the resource ('a Webhook.site token'), specifying that it returns 'details and configuration.' This distinguishes it from sibling tools like create_token, update_token, and delete_token, which all have different verbs.

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

Usage Guidelines3/5

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

The description implies usage for retrieving token information but provides no explicit when-to-use guidance, alternatives, or exclusions. It relies on the name and sibling list to infer its read-only purpose, making it minimally viable but not explicitly instructive.

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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