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

No annotations are provided, so the description carries the full burden. It discloses the data source (DLD), the exact metric set, the category exclusions (land, buildings, offices, shops, hotel inventory; mortgage/gift registrations), and the 12-month window. It does not state update recency, geographic granularity within a community, or handling of missing data, so it falls short of full transparency.

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?

Three tight sentences, front-loaded with the core purpose, followed by two scoping clauses. Every phrase earns its place and there is no filler.

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 read-only lookup tool with one parameter and no output schema, the description covers scope, source, metrics, and exclusions adequately. It could be improved with a note on update frequency or expected return format, but nothing critical to correct invocation is missing.

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 coverage is 100% and the single parameter is already documented with example values. The description adds no syntax, format, or validation detail beyond what the schema provides, so it meets the baseline where the schema does the heavy lifting.

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?

States a specific resource (registered prices for a named Dubai community) with the exact metrics returned (median price/sqft, sales volume, off-plan share, gross rental yield) and the authoritative source (Dubai Land Department). The scoping clauses distinguish it from siblings like dubai_house_price_index and dubai_top_yields.

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 exclusions ('Homes only', 'Sales only') implicitly define when the data is applicable versus when a different tool (e.g., a commercial or index tool) would be needed. However, it does not name a specific sibling or state an explicit 'use X instead when...' condition.

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