Sendblox

Get Usage

get_usage

Read-onlyIdempotent

APP: Reads tenant-scoped usage: period, allowance, used, remaining. No prices.

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": "get_usage"
  }
}

Input Schema

Name	Required	Description	Default
No arguments

Output Schema

Name	Required	Description	Default
`jobId`	No
`result`	Yes
`status`	Yes
`summary`	No
`blockers`	Yes
`warnings`	Yes
`readiness`	No
`requestId`	Yes
`retryable`	No
`nextPossibleActions`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

First observedOct 30, 2026

TDQS

A3.5/5.0

Behavior3/5

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

The annotations already declare this as a read-only, idempotent, non-destructive, closed-world operation. The description adds useful scope context by specifying tenant-scoped usage and explicitly excluding prices, but it does not elaborate further on permissions, freshness, or response behavior.

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 compact sentence with no wasted text. The core operation and scope are front-loaded, and the output concepts are listed efficiently.

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 zero-parameter read tool with rich annotations and an output schema, the description is largely complete: it states what is read and what concepts are returned. The only minor gap is the unexplained 'APP:' prefix, but it does not prevent correct invocation.

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?

The tool has zero parameters, so parameter semantics are inherently minimal and the baseline is 4. The description correctly does not invent parameter behavior and instead describes returned concepts rather than inputs.

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 states a clear verb and resource: it reads tenant-scoped usage and names the returned concepts (period, allowance, used, remaining). It does not explicitly differentiate itself from siblings such as get_campaign_analytics, but the scope is specific enough for an agent to understand what this tool does.

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?

There is no explicit guidance on when to use this tool versus alternatives, nor any stated preconditions or exclusions. The description implies usage by saying it reads tenant-scoped usage, but leaves routing decisions to inference.

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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