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Magpie — USDA Ag Markets: Grain, Fertilizer, WASDE & Export Sales

link.morningbrief/magpie · v1.1.0

Measured by MCP Station

Description written by the publisher, not verified

USDA farm data for AI agents: grain, fertilizer, WASDE, export sales. 30 tools, free, no key.

Connect

claude mcp add --transport http magpie https://ag.morningbrief.link/mcp

{
  "mcpServers": {
    "magpie": {
      "url": "https://ag.morningbrief.link/mcp"
    }
  }
}

Tools as reported by the server

• get_fertilizer_price
  Latest price for one fertilizer product from USDA MARS production cost reports (Illinois-led regional coverage) — the same series get_fertilizer_history extends over time. Use for a current input-cost quote; use get_spreads instead to relate fertilizer cost to corn or cattle prices. Read-only lookup
• get_fertilizer_history
  Price history for one fertilizer product across report periods, from the same twice-monthly USDA MARS production cost reports behind get_fertilizer_price. Use for input-cost trends; use get_fertilizer_price instead when only the latest quote matters. Read-only lookup of stored reports; no API key. R
• list_fertilizer_products
  Lists the fertilizer product slugs this API tracks (anhydrous ammonia, urea, DAP, MAP, potash, liquid N 28/32, ATS, farm diesel, biodiesel) with display labels. Use to discover valid `product` values before calling get_fertilizer_price or get_fertilizer_history. Read-only; no API key. The list is th
• get_grain_price
  Latest cash grain price for one commodity in one state, from USDA MARS daily market reports — the same series get_grain_history extends over time. Use for a current quote; use get_grain_history instead for trends across days. Read-only lookup of stored reports; no API key. Returns the most recent re
• get_grain_history
  Daily cash price history for one grain commodity in one state, from the same USDA MARS daily reports behind get_grain_price. Use for trends or day-over-day comparison; use get_grain_price instead when only the latest quote matters. Read-only lookup of stored reports; no API key. Returns up to `perio
• list_grain_products
  Lists the grain commodity slugs this API tracks (corn, soybeans, wheat, sorghum, oats, barley, rice) with display labels. Use to discover valid `product` values before calling get_grain_price or get_grain_history. Read-only; no API key. The list is the configured MARS catalog, not a live availabilit
• get_livestock_price
  Latest price for one livestock category in one region, from USDA MARS direct-trade and auction reports — the same series get_livestock_history extends over time. Use for a current quote; use get_livestock_history instead for trends. Read-only lookup of stored reports; no API key. Returns the most re
• get_livestock_history
  Price history for one livestock category in one region, from the same USDA MARS reports behind get_livestock_price (daily direct-trade reports plus weekly auction summaries). Use for trends; use get_livestock_price instead when only the latest quote matters. Read-only lookup of stored reports; no AP
• list_livestock_products
  Lists the livestock category slugs this API tracks (fed_cattle, feeder_cattle, cows, hogs, sheep) with display labels. Use to discover valid `product` values before calling get_livestock_price or get_livestock_history. Read-only; no API key. The list is the configured catalog, not a live availabilit
• get_dairy_price
  Latest price for one dairy product, from USDA MARS weekly dairy reports — the same series get_dairy_history extends over time. Use for a current quote; use get_dairy_history instead for the weekly trend. Read-only lookup of stored reports; no API key. Geography defaults to US-Central (cheese reports
• get_dairy_history
  Weekly price history for one dairy product, from the same USDA MARS weekly dairy reports behind get_dairy_price. Use for trends across report weeks; use get_dairy_price instead when only the latest quote matters. Read-only lookup of stored reports; no API key. Returns up to `periods` most recent rep
• list_dairy_products
  Lists the dairy product slugs this API tracks (cheese, butter, dry_whey, fluid_milk) with display labels. Use to discover valid `product` values before calling get_dairy_price or get_dairy_history. Read-only; no API key. Butter is listed for completeness but its price is withheld in the price tools
• get_crop_stats
  Annual NASS survey statistics — yield, production, planted or harvested area — for a commodity at national or state level, from USDA NASS QuickStats. These are survey estimates, not market prices. Use for production fundamentals; use get_crop_condition or get_crop_progress instead for in-season week
• get_crop_condition
  Most recent weekly NASS crop condition ratings for corn, soybeans, or wheat — the share of the crop rated excellent, good, fair, poor, and very poor, plus a combined good+excellent percentage — from USDA NASS QuickStats. Use for current crop health; use get_crop_condition_history instead for week-by
• get_crop_progress
  Most recent weekly NASS crop progress for corn, soybeans, or wheat — the share of the crop at each growth stage (planted, emerged, silking, harvested, and similar; the stages present vary by commodity) — from USDA NASS QuickStats. Use for current season pace; use get_crop_progress_history instead fo
• get_crop_condition_history
  Week-by-week NASS crop condition ratings for corn, soybeans, or wheat across the growing season — each week's excellent/good/fair/poor/very poor shares plus a combined good+excellent percentage — from USDA NASS QuickStats. Use to track crop health trends or compare weeks within the season; use get_c
• get_crop_progress_history
  Week-by-week NASS crop progress for corn, soybeans, or wheat across the growing season — each week's share of the crop at each growth stage (planted, emerged, silking, harvested, and similar) — from USDA NASS QuickStats. Use to track season pace or compare against earlier weeks; use get_crop_progres
• get_weather
  Current observed weather conditions for an agricultural region — temperature, humidity, wind, and sky conditions from the nearest NOAA National Weather Service station. Use for right-now conditions; use get_forecast instead for the outlook ahead, and get_weather_history for what the past days actual
• get_forecast
  NOAA forecast for an agricultural region — the next several day/night periods with temperature, wind speed and direction, and short and detailed forecast text, from the National Weather Service. Use for the outlook ahead; use get_weather instead for current observed conditions, and get_weather_histo
• get_weather_history
  Recent past weather for an agricultural region, summarized by day from NOAA station observations: daily high and low temperature (°F), total precipitation (inches), and the number of observations behind each day. Use for what weather actually occurred over the past days; use get_weather instead for
• get_spreads
  Derived input-to-output price spreads computed from the latest stored Magpie prices: corn-to-nitrogen cost broken down per fertilizer product (bushels of corn per ton of product and per pound of actual N), the soybean-to-corn price ratio, and the feeder-to-fed cattle spread. Use for planting and fee
• get_wasde_projection
  Latest USDA WASDE supply/demand projections for one commodity — beginning stocks, production, imports, exports, domestic consumption, and ending stocks — from the FAS PSD database behind the monthly WASDE report. Use for the current balance-sheet outlook; use get_wasde_history instead to see how a s
• get_wasde_history
  Revision history of one WASDE projection figure (default ending_stocks) across monthly reports — how the estimate for a commodity and marketing year moved as successive WASDE reports landed. Use to study estimate revisions; use get_wasde_projection instead for the full current balance sheet. Read-on
• list_wasde_commodities
  Lists the commodities tracked in WASDE projections (corn, wheat, soybeans, soybean meal, soybean oil, rice, barley, cotton) with their FAS PSD commodity codes. Use to discover valid `commodity` slugs before calling get_wasde_projection or get_wasde_history. Read-only; no API key.
• get_export_sales
  Latest week of USDA export sales for one commodity from the FAS Export Sales Reporting (ESR) system — sales contracted by exporters, not yet necessarily shipped. Use for current foreign demand; use get_export_sales_history instead for the weekly trend, and get_trade_flows for actual shipped volumes.
• get_export_sales_history
  Weekly export sales time series for one commodity, and optionally one destination country, from the same FAS ESR weekly reports behind get_export_sales. Use for demand trends across weeks; use get_export_sales instead when only the latest week matters, and compare_contracts_vs_shipments to set contr
• list_esr_commodities
  Lists the commodities tracked in USDA export sales reporting (wheat, barley, corn, sorghum, soybeans, soybean meal, soybean oil, cotton, rice) with their FAS commodity codes. Use to discover valid `commodity` slugs before calling get_export_sales or get_export_sales_history. Read-only; no API key. S
• get_trade_flows
  Monthly US agricultural export shipments by destination, from USDA GATS (Census trade data) — quantities and values actually shipped, not sales contracted. Use for realized trade volumes; use get_export_sales instead for contracted-but-unshipped demand, and compare_contracts_vs_shipments for the sol
• compare_contracts_vs_shipments
  Derived comparison of ESR contracted export sales against GATS actual shipments for one commodity: total contracted, total shipped, and the gap in metric tons — a positive gap means sold but not yet shipped. Use to gauge the unshipped export backlog; use get_export_sales or get_trade_flows instead f
• list_gats_commodities
  Lists the commodities tracked in GATS trade flows (matched to Census data by HS chapter) with display labels. Use to discover valid `commodity` slugs before calling get_trade_flows or compare_contracts_vs_shipments. Read-only; no API key. The list is the configured catalog — individual commodities c

Tool changes

• 2026-10-22: get_fertilizer_price, get_fertilizer_history, list_fertilizer_products, get_grain_price, get_grain_history, list_grain_products, get_livestock_price, get_livestock_history, list_livestock_products, get_dairy_price, get_dairy_history, list_dairy_products
• 2026-10-21: get_fertilizer_price, get_fertilizer_history, list_fertilizer_products, get_grain_price, get_grain_history, list_grain_products, get_livestock_price, get_livestock_history, list_livestock_products, get_dairy_price, list_dairy_products, get_crop_stats

Website · JSON · Text for agents · Registry updated 2026-10-23