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homeassistant-ai

Home Assistant MCP Server

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Remove Category

ha_config_remove_category
DestructiveIdempotent

Delete a Home Assistant category for a given scope (e.g., automation, script). Removes category assignment from all entities. Cannot be undone.

Instructions

Delete a Home Assistant category.

Removes the category from the category registry for the given scope (e.g., 'automation', 'script', 'scene', 'helpers'). This will also remove the category assignment from all entities in that scope.

EXAMPLES:

  • Delete category: ha_config_remove_category("automation", "my_category_id")

Use ha_config_get_category() to find category IDs.

WARNING: Deleting a category will remove it from all assigned entities. This action cannot be undone.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
scopeYesDomain scope for the category (e.g., 'automation', 'script', 'scene', 'helpers').
category_idYesID of the category to delete

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

Annotations already declare destructiveHint=true and idempotentHint=true. The description adds crucial context: 'This will also remove the category assignment from all entities in that scope' and 'This action cannot be undone.' This goes beyond annotations.

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 concise: a clear opening sentence, followed by effect, example, reference to get_category, and warning. Every sentence adds value and the structure is front-loaded.

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?

Given the presence of an output schema (not shown), the description adequately covers the delete operation's effect and irreversibility. It does not mention error conditions, but this is acceptable for a simple destructive tool with good annotations.

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% with descriptions for both parameters. The description adds example usage with parameter names but no additional semantic details beyond what the schema already provides.

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 states 'Delete a Home Assistant category' with specific verb+resource. Among sibling tools, it is distinct from other removal tools like ha_remove_zone or ha_remove_entity.

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?

The description explains the scope of use (category registry, given scope) and provides an example. It advises using ha_config_get_category() to find IDs. It could be more explicit about when not to use this tool versus alternatives, but gives sufficient context.

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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