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

No annotations are provided, so the description must carry the burden. It clearly states this is a read operation ('Retrieve information') and outlines the response format, which implies no side effects. It doesn't explicitly state 'read-only' or 'no destructive effects,' but the language is unambiguous.

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 concise but comprehensive: purpose, usage scenarios, and detailed response format. Every sentence serves a purpose, front-loaded with the core action.

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 zero-parameter read-only tool with no output schema, the description fully covers what it does, when to use it, and what it returns. It's complete for this simple tool.

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 tool has zero parameters-newline(schema with no properties), so the baseline is 3. The description explicitly states 'requires no arguments,' which adds clarity. No parameter details needed since there are none.

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 'Retrieve information about the currently authenticated Splunk user' – a specific verb and resource. It distinguishes itself from siblings like list_users (which likely lists all users) by explicitly focusing on the current user.

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?

Provides explicit when-to-use guidance: 'whenever you need to check the current user's details, permissions, roles, or capabilities, such as for debugging access issues, understanding available actions, or verifying user context in Splunk environments.' This clearly directs when to invoke this tool.

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