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predict_forecast

Forecast future time series values using ARIMA or Holt-Winters methods with confidence intervals for data-driven predictions.

Instructions

Time series forecasting (ARIMA / Holt-Winters). Predict future values with confidence intervals.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataYesHistorical values
stepsYesSteps to forecast
methodNoMethod (default: arima)
Behavior3/5

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

Mentions confidence intervals in output, but lacks details on computational complexity, data size limits, or error behavior since no annotations exist to carry this burden.

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

Conciseness5/5

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

Two punchy sentences with no filler - first establishes domain/methods, second describes output characteristic; perfectly front-loaded.

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

Completeness4/5

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

Adequate for simple 3-parameter tool; compensates for missing output schema by mentioning confidence intervals, though could clarify return structure format.

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

Parameters3/5

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

Schema has 100% description coverage (baseline 3); description reinforces method enum values and mentions confidence intervals (output behavior) but adds minimal semantic value beyond structured schema.

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?

Clearly states time series forecasting with specific methods (ARIMA/Holt-Winters) and mentions confidence intervals, though doesn't explicitly contrast with sibling tools like simulate_montecarlo or detect_anomaly.

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?

No guidance on when to use forecasting vs simulation (montecarlo) or anomaly detection, nor conditions like minimum data requirements.

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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