services_render_template

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

No annotations are provided, so the description must fully convey behavioral traits. It only states the basic render action without mentioning side-effects, error handling, authentication needs, or output format. This is insufficient for an agent to fully understand the tool's behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise with two efficient sentences. The first sentence front-loads the action and subject, and the second provides a specific use case. No unnecessary words.

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

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

For a simple one-parameter tool, the description is adequate but not thorough. It mentions output schema exists, so return values are not required, but it does not describe the output or any constraints. A mention of the output being a rendered string would improve completeness.

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

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

The schema has 0% description coverage, so the description must compensate. It adds context that the template is Jinja2 and uses HA engine, which goes beyond the raw schema type. However, it does not explain syntax, validation, or format details for the single parameter.

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

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

The description clearly states that the tool renders Jinja2 templates using the HA template engine, and it provides a specific use case (testing). However, it does not explicitly differentiate from the sibling 'ws_render_template' WebSocket tool, which also renders templates.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description gives a clear when-to-use hint ('testing templates before saving'), but does not mention when not to use it or suggest alternatives. It implies a direct API call context versus WebSocket.

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