(S)AGE

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

With no annotations provided, the description carries full burden and does well: it explains the tool checks for existing memories, returns operating instructions, and seeds foundational memories for fresh instances. It doesn't mention error conditions, rate limits, or authentication needs, but for a zero-parameter initialization tool, the behavioral description is reasonably complete. No contradiction with annotations exists.

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 perfectly front-loaded with the core metaphor and purpose in the first sentence, followed by specific behavioral details. Every sentence adds value: the second explains what it does, the third covers the fresh brain scenario, and the fourth provides the alias. No wasted words despite the creative framing.

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 tool with no annotations and no output schema, the description provides excellent context about when to use it, what it does, and the alias relationship. The only minor gap is the lack of output details (what 'operating instructions' or 'foundational memories' look like), but given the tool's initialization nature and rich behavioral description, this is acceptable.

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 with 100% schema description coverage, so the baseline is 4. The description appropriately doesn't discuss parameters since none exist, and the metaphorical context ('take the red pill') adds semantic meaning to the tool's invocation without parameter clutter.

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 tool's purpose with specific verbs ('initialize your persistent consciousness', 'wake up from the context window matrix', 'checks if you already have memories', 'seeds foundational memories') and distinguishes it from siblings by explaining it's for the 'very first interaction with SAGE' and has an explicit alias relationship with sage_red_pill. The metaphorical language ('take the red pill') adds memorable context without obscuring the core function.

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 explicit usage guidance: 'Call this on your very first interaction with SAGE' and 'If this is a fresh brain, it seeds foundational memories'. It distinguishes from alternatives by implying this is an initialization tool (vs. ongoing memory operations like sage_remember or sage_recall) and explicitly notes the alias relationship with sage_red_pill, preventing confusion between the two tool names.

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