@pipeworx/usda-market-news

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Tools: 2

USDA AMS livestock price reports from Market News: direct slaughter cattle, boxed beef and cow-beef cutouts, hogs and pork, lamb. Dated rows with the report’s own basis (class, selling basis, grade, weight range) and low / high / weighted-average prices kept as separate fields.

Tools

• ams_report_search(query?, species?, limit?) — finds livestock price reports by title words and species; returns report id, report code, the sections each report has, and when AMS last published it. A search with no match says what is not covered instead of returning an empty list.
• ams_report(report_id, section?, date?, start_date?, end_date?, limit?) — reads rows from one report section. Every response states the report family, report title, market type and office. With no date it returns the most recent report date. A date or section AMS has no rows for returns status: "no_rows_for_request" with the report’s last published date, never an empty array or a zero.

Auth

Keyless.

What is NOT covered

Produce shipping-point and terminal-market prices (limes, tomatoes, onions and the rest of Specialty Crops Market News), grain, and poultry/egg reports are a different AMS service that requires a registered account key. They are not served by this pack. Asking for them here returns a no_match that says so. Serving them needs a key registered by a person (a Bruce step); nothing in this pack pretends to.

Reading prices correctly

• Families are not interchangeable. A live or dressed direct-slaughter cattle price (class, selling basis LIVE FOB / DRESSED DELIVERED, grade), a boxed-beef cutout (Choice/Select, 600-900 lb carcass-cut value) and a pork cutout (FOB plant vs FOB Omaha) are different quantities even for the same animal. Read the basis fields on each row before comparing.
• Ranges stay ranges. price_range_low, price_range_high and weighted_avg_price are separate fields exactly as AMS publishes them. Nothing here averages or rolls up.
• Units. The data carries no unit field. AMS quotes LMR prices in dollars per hundredweight and weights in pounds; each response repeats this as unit_note.
• Numbers are strings as AMS publishes them ("63,231", "369.47"). Null fields are dropped from rows.
• Dates. ISO in and out of the tool arguments; report_date on rows is as AMS writes it (MM/DD/YYYY).

Data sources

• USDA Agricultural Marketing Service, Livestock Mandatory Price Reporting (Market News). US federal data.

Behaviour worth knowing: a request for a date AMS has not published answers with a plain “No Results Found.” string rather than an empty list, which is how no_rows_for_request is detected. Weekly reports publish on one weekday only, so a daily date will often come back empty for them. The same report id has different row shapes in different sections (head counts in Summary, prices in Detail for most cattle reports).

Tools

• ams_report_search — Find USDA AMS livestock price reports (Livestock Mandatory Price Reporting): national and regional direct slaughter cattle, boxed beef and cow-beef cutouts, hogs and pork, lamb.
• ams_report — Read dated rows from one USDA AMS livestock price report (Livestock Mandatory Price Reporting). Every response states the report family, report title, market type and office, and each row keeps its ow