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matt-coppinger

Horizon MCP Server

delete_application_pool

Delete an application pool to revoke user access immediately. Requires explicit confirmation before proceeding.

Instructions

Delete a published application pool.

CAUTION: Users will immediately lose access to this application. Always confirm with the user before calling this.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
confirmNoMust be explicitly True to proceed. Obtain explicit user approval before setting.
pool_idYesApplication pool ID — obtain from list_application_pools

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.2/5.0
Behavior4/5

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

Because no annotations are provided, the description carries the burden of disclosing risks. It does disclose the critical consequence: 'Users will immediately lose access to this application.' It also instructs confirmation, which matters for a destructive operation. It stops short of explicitly stating irreversibility or how failures surface, but the key hazard is disclosed.

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 extremely concise and front-loaded with the purpose, followed by the necessary warning. Each sentence earns its place and there is no filler.

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 destructive action with no annotations, the description provides the essential human-safety warning: users lose access and confirmation is required. Combined with complete schema descriptions and presence of an output schema, this is nearly complete. A minimal addition, such as explicitness about irreversibility, would make it a 5.

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 coverage is 100%, so the input schema already documents both confirm and pool_id. The description adds no extra parameter-level meaning, which is acceptable at the baseline since the schema fields are self-explanatory and include relevant descriptions.

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 specific verb and resource: 'Delete a published application pool.' This clearly differentiates it from sibling tools like list_application_pools, get_application_pool, create_application_pool, and update_application_pool without needing to inspect schemas.

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?

Provides clear usage context by warning that users will immediately lose access and instructing the caller to always confirm before calling. However, it does not explicitly name alternatives or exclusion cases, so it stops 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.