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predictions_by_market

Retrieve screener-based market predictions with expected percentage returns. Filter by market name or region to get daily or monthly forecasts.

Instructions

Screener-based market predictions (flat rows with expected_* percentages). Filters by market name or region.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
reqYes
Behavior2/5

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

No annotations are provided, and the description adds minimal behavioral context beyond the output format ('flat rows with expected_* percentages'). It does not address side effects, permissions, or rate limits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise with two sentences. It is front-loaded and to the point, but could include more detail without becoming verbose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the lack of annotations and output schema, and the presence of many sibling tools, the description is incomplete. It does not differentiate from predictions_by_ticker or other screener tools, nor explain expected return structure or parameter effects.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Despite 0% schema description coverage, the description only explains two of five parameters (market and region). It omits prediction_type, limit, and format, which are important for correct usage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly indicates that the tool provides screener-based market predictions with expected_* percentages, and can be filtered by market name or region. This distinguishes it from ticker-level tools like predictions_by_ticker and other screener tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description mentions filtering by market or region but provides no guidance on when to use this tool versus alternatives, nor does it specify any prerequisites or exclusions.

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

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