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VincentKaufmann

noapi-google-search-mcp

shorten_url

Shorten long URLs into compact TinyURL links. No account or API key needed.

Instructions

Shorten a long URL using TinyURL. No account or API key needed.

Sample prompts that trigger this tool: - "Shorten this URL: https://very-long-url.com/path/..." - "Give me a short link for this" - "Create a tinyurl for https://..."

Args: url: The URL to shorten.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations are provided, so the description must carry the full burden. It discloses key traits like external dependency (TinyURL) and no authentication, but omits details on rate limits, error handling, or return format.

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 concise with no wasted words, front-loads the action and key convenience (no API key), and includes relevant sample prompts that aid the AI agent.

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?

For a simple tool with one parameter and an output schema (not shown), the description covers the essential usage scenario, sample prompts, and external dependency, making it adequately 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?

With 0% schema description coverage, the description provides a basic explanation for the single parameter ('The URL to shorten'), which adds some meaning beyond the parameter name, but not extensive detail.

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 it shortens URLs using TinyURL, with a specific verb and resource. It distinguishes itself uniquely among siblings as the only URL shortening tool.

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 clear context by stating 'No account or API key needed' and includes sample prompts that illustrate when to use it, but it does not explicitly mention when not to use or compare to 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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