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armaaar

thndr-mcp

by armaaar

Delete price alert

delete_alert
DestructiveIdempotent

Removes a saved price alert from your Thndr account by its ID, so you stop receiving notifications once that price threshold is no longer needed.

Instructions

Deletes a price alert.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.2/5.0
Behavior2/5

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

The annotations already declare destructiveHint=true, idempotentHint=true, readOnlyHint=false, and openWorldHint=true, so the safety profile is fully covered by structured data. The description adds nothing on top of that — no note about permanence, whether the alert can be recovered, or required authorization — so it earns no credit beyond the annotations.

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 short, front-loaded sentence with no filler or redundancy — there is nothing wasted. Its brevity is appropriate, even if the content is thin; the problem is omission, not verbosity.

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 mutation with a required identifier, 0% schema description coverage, and no output schema, the definition is too sparse. An agent cannot learn from it where the id comes from or whether the deletion is permanent, even though the annotations do cover the destructive/idempotent character of the call.

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% for the single required parameter 'id', so the description carries the burden of explaining it. The phrase 'a price alert' only loosely implies that an alert identifier is needed, but it never states what the id is, where to obtain it (e.g., from get_alerts), or its format.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

The sentence restates the tool name and title almost verbatim ('delete_alert' / 'Delete price alert'), adding no scope, target, or qualifier. It does convey a clear verb+resource, but it is a tautology rather than an informative purpose statement, and it does nothing to distinguish itself from sibling deletes such as delete_watchlist.

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 indication of when to use this tool versus update_alert, get_alert, or delete_watchlist, and no precondition such as confirming the alert exists or warning that deletion is irreversible. No guidance is offered at all.

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