telegram-set-profile-color

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

Beyond annotations (readOnlyHint=false, openWorldHint=true), the description details Premium requirements and a reset behavior. This adds valuable context about side effects and prerequisites, even though some is also in the schema descriptions.

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, consisting of two short sentences. The first sentence front-loads the purpose, and the second covers constraints and reset. No waste; every part earns its place.

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 tool with no output schema, the description covers the key behavioral aspects (premium, reset) and parameter constraints. The openWorldHint is not explicitly addressed, but overall the description is reasonably complete for the tool's complexity.

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?

All parameters have schema descriptions that are already informative (100% coverage). The tool description integrates the premium requirement and reset behavior but largely overlaps with the schema info, adding only marginal value beyond the schema.

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 the action ('Set') and the resources ('profile name color or profile background color'). It distinguishes between two modes and mentions reset to default, making the purpose unmistakable among sibling tools.

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 provides crucial usage context: the Premium requirement for colors above index 6 and for background patterns, and the option to reset. However, it does not explicitly exclude cases or mention alternatives, but the constraints are clearly stated.

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