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alialbaker

cloudprice-mcp

get_azure_price

Get the on-demand Linux hourly and monthly price for an Azure VM size in eastus, including vCPUs and memory details.

Instructions

Look up the on-demand Linux hourly + monthly price for an Azure VM size in eastus. Returns vCPUs, memory, hourly USD, and monthly USD.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
vm_sizeYesAzure VM size, e.g. 'D4s_v5'. Available: B1s, B2ms, B2s, B4ms, D16s_v5, D2s_v5, D4s_v5, D8s_v5, E2s_v5, E4s_v5, E8s_v5, F2s_v2, F4s_v2, F8s_v2
Behavior4/5

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

No annotations provided, so description carries full burden. Clearly states it returns vCPUs, memory, and pricing, which implies a read-only lookup. However, no mention of error handling or rate limits.

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?

Single sentence front-loads action and includes all key details without waste. Every word earns its place.

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, description specifies return fields. Omits error behavior and region limitation is implicit. Adequate for simple lookup but could mention fallback for unavailable sizes.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers vm_size with examples (100% coverage). Description adds context: on-demand Linux, eastus region, and return fields, which goes beyond schema details.

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 specifies the operation: look up on-demand Linux pricing for an Azure VM size in eastus, with specific returns. It distinguishes from siblings (AWS, GCP pricing tools) by naming Azure and region.

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 when needing Azure VM pricing but does not explicitly state when to use this tool vs. siblings like compare_clouds. No exclusions or alternatives are mentioned.

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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