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Tobeworks

invoiceshelf-mcp

by Tobeworks

delete_estimate

Remove an estimate by ID from the invoicing system to keep estimate and customer records accurate.

Instructions

Delete an estimate by ID.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
estimateIdYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.7/5.0
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 behavioral burden. It does not state whether deletion is permanent, whether it requires elevated permissions, what happens to estimates already converted to invoices, or whether related line items are removed. For a destructive operation, this is a significant disclosure gap.

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?

A single short sentence that is front-loaded with the verb and resource, with no filler. Its brevity reflects under-specification rather than wasted words, but structurally it is efficient.

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

Completeness2/5

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

For a destructive tool with no annotations, no output schema, and an undocumented parameter, the description is too thin. It does not tell the agent what a successful call returns or what side effects to expect.

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

Parameters2/5

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

Schema description coverage is 0% and the single parameter (estimateId) is only a bare number. The description's 'by ID' hints at the identifier but adds no format, source, or validation details (e.g., where to obtain the estimateId), so it only minimally compensates for the schema gap.

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 specific verb ('Delete') and resource ('an estimate'), so the agent knows exactly what action is performed. It does not, however, differentiate itself from siblings like delete_invoice, delete_customer, or update_estimate beyond the resource name.

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 guidance on when to use this tool versus alternatives (e.g., could an estimate be archived or voided instead?), and no mention of prerequisites such as ownership or confirmation. The agent must infer all usage context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.