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

Annotations already cover safety (readOnly, non-destructive, closed-world), and the description adds real behavioral context beyond them: output is bounded, no cross-lane scoring or composites are produced, no causal/culpability inference is applied, and upstream failures stay 'typed' rather than being silently filled in. That is meaningful disclosure about what the caller will and won't receive.

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?

Two sentences, no filler, and the key constraint (no cross-lane scoring/composites) is front-loaded. The phrasing is dense and slightly jargon-heavy ('Upstream unavailability stays typed') but every clause carries information.

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?

An output schema exists, so return values needn't be described, and the annotations cover safety. What is missing is the lane parameter's meaning and the relationship to the many sibling read tools covering the same seiche/palimpsest domains, which is the main thing an agent needs before choosing this 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?

Schema description coverage is 0% and the description never mentions the single 'lane' parameter or its seven enum values, so the only guidance comes from the enum identifiers themselves. For a tool whose whole purpose is lane selection, the description should explain what 'all' versus a specific lane returns.

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 verb 'Return' plus the domains (money-market, capital-market, BRI, publication-rights) gives a rough sense of the resource, and 'without cross-lane scoring' hints at the seiche/palimpsest lane split. But the object of the tool is described only as 'bounded context,' and no sibling (get_atlas, get_palimpsest_bri_context, get_market_catalog) is named or contrasted, so an agent cannot easily tell what this returns that the siblings do not.

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 states what the tool will NOT do (no composites, no causal or culpability inference) but gives no positive trigger for when to call it, and never mentions the sibling tools that cover the same domains. An agent must infer selection from the title alone.

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