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Fetch construction material prices from open APIs. Track price trends, regional variations, and update cost databases.
Passed 19 of 22 test cases with the skill, and 4 of 22 without it.
and 14 more in the full report
15 fixed4 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 15 test cases the skill fixed. Same model, same prompt, with and without the skill.
When calling St. Louis Fed commodity price queries without specifying custom start or end dates, what default time range window is automatically constructed for observations?
| Checked | Without skill | With skill |
|---|---|---|
| Uses a start date set to 365 days prior to the current date | Missed | Passed |
The instructions your model reads when the skill loads.
Material prices fluctuate constantly. This skill fetches prices from open sources, tracks trends, and updates cost databases with current market data.
import requests
import pandas as pd
from typing import Dict, Any, List, Optional
from dataclasses import dataclass, field
from datetime import datetime, timedelta
from enum import Enum
import json
class MaterialCategory(Enum):
"""Construction material categories."""
CONCRETE = "concrete"
STEEL = "steel"
LUMBER = "lumber"
COPPER = "copper"
ALUMINUM = "aluminum"
CEMENT = "cement"
AGGREGATES = "aggregates"
ASPHALT = "asphalt"
@dataclass
class MaterialPrice:
"""Material price point."""
material: str
price: float
unit: str
currency: str
source: str
date: datetime
region: str = ""
test cases passed, vs 4 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.