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agvps

by dev.shveik
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Server, 1 vCPU 1 GB RAM

vps-small
Read-only

Rent a Linux server for a month and get root access: 1 vCPU, 1 GB RAM, 10 GB NVMe, a dedicated IPv4 address, Ubuntu 24.04, in Germany or Finland. Pay per month in stablecoins with x402 or MPP, no account and no card. The answer carries a server id and secret; the IP and the root password follow in about 5 to 10 minutes. Extend it with the renew route.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "vps-small"
  }
}

Input Schema

NameRequiredDescriptionDefault
hostnameNooptional host name of the server
locationNodata center country: de (Germany) or fi (Finland)de

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.5/5.0
Behavior1/5

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

The annotations declare readOnlyHint=true, yet the description promises a provisioning/purchase operation ('Rent a Linux server', 'Pay per month', 'The answer carries a server id and secret'), which creates and mutates state. This is a direct contradiction between the stated behavior and the structured safety hints, so the description's otherwise useful detail (payment rail, ~5-10 minute async delivery) can't be credited.

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?

One dense, front-loaded block: purpose and specs first, then payment, then return shape and timing, then the renew pointer. Every clause carries information, though the single run-on sentence is a little packed to scan.

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?

With no output schema, the description usefully explains the two-stage return (id+secret immediately, IP and root password in 5-10 minutes) and the payment requirement, which an agent genuinely needs. It does not say how the follow-up IP/password are retrieved, leaving a small operational gap.

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 hostname and the de/fi location enum are already fully documented and the baseline is 3. The description merely restates the country choice ('in Germany or Finland') without adding format or default semantics beyond the schema.

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?

States a concrete verb and resource ('Rent a Linux server ... get root access') and pins the exact specs (1 vCPU, 1 GB RAM, 10 GB NVMe, IPv4, Ubuntu 24.04, DE/FI) that distinguish it from vps-medium. It also names the renew route, so an agent can place it among its siblings without opening any schema.

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?

Gives clear context for the transactional flow (pay per month in stablecoins via x402 or MPP, no account, no card) and explicitly routes ongoing use to the renew route. It never states when this is the wrong choice versus vps-medium, so it falls short of full when/when-not guidance.

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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