Magpie — USDA Agricultural Data for AI Agents
USDA farm data for AI agents: prices, WASDE, crop conditions, trade. 26 tools, free, no key.
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品質與安全性
A
根據工具定義與協定合規性的自動化分析。
上下文成本
~2,270Token（工具定義）
~648 B典型回應大小
中等的注意力影響（128k 上下文的 1.77%）
這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。
安裝
一鍵安裝
將以下內容加入你的 `claude_desktop_config.json` 檔案：
{
"mcpServers": {
"magpie": {
"url": "https://ag.morningbrief.link/mcp"
}
}
}遠端端點
https://ag.morningbrief.link/mcpstreamable-http它能做什麼
工具清單
工具（26）
🟢 唯讀🟡 寫入🔴 刪除⚪ 未知
🟢get_fertilizer_price(product)
Get the latest price for a fertilizer product
輸入結構描述
{
"type": "object",
"properties": {
"product": {
"type": "string",
"description": "Product slug (e.g. anhydrous_ammonia, urea, dap)",
"enum": [
"anhydrous_ammonia",
"urea",
"dap",
"map",
"potash",
"liquid_n_28",
"liquid_n_32",
"ats",
"farm_diesel",
"biodiesel"
]
}
},
"required": [
"product"
]
}🟢get_fertilizer_history(product, periods)
Get price history for a fertilizer product
輸入結構描述
{
"type": "object",
"properties": {
"product": {
"type": "string",
"enum": [
"anhydrous_ammonia",
"urea",
"dap",
"map",
"potash",
"liquid_n_28",
"liquid_n_32",
"ats",
"farm_diesel",
"biodiesel"
]
},
"periods": {
"type": "number",
"description": "Number of periods (max 52)",
"default": 12
}
},
"required": [
"product"
]
}🟢list_fertilizer_products
List all available fertilizer products
輸入結構描述
{
"type": "object",
"properties": {}
}🟢get_grain_price(product, geography)
Get the latest cash price for a grain commodity
輸入結構描述
{
"type": "object",
"properties": {
"product": {
"type": "string",
"description": "Grain slug (e.g. corn, soybeans, wheat)",
"enum": [
"corn",
"soybeans",
"wheat",
"sorghum",
"oats",
"barley",
"rice"
]
},
"geography": {
"type": "string",
"description": "State code (e.g. IL, IA). Default: IL",
"default": "IL"
}
},
"required": [
"product"
]
}🟢get_grain_history(product, geography, periods)
Get price history for a grain commodity
輸入結構描述
{
"type": "object",
"properties": {
"product": {
"type": "string",
"enum": [
"corn",
"soybeans",
"wheat",
"sorghum",
"oats",
"barley",
"rice"
]
},
"geography": {
"type": "string",
"default": "IL"
},
"periods": {
"type": "number",
"description": "Number of days (max 365)",
"default": 30
}
},
"required": [
"product"
]
}🟢list_grain_products
List all available grain commodities
輸入結構描述
{
"type": "object",
"properties": {}
}🟢get_livestock_price(product, geography)
Get the latest price for a livestock category
輸入結構描述
{
"type": "object",
"properties": {
"product": {
"type": "string",
"description": "Livestock slug (e.g. fed_cattle, feeder_cattle, hogs)",
"enum": [
"fed_cattle",
"feeder_cattle",
"cows",
"hogs",
"sheep"
]
},
"geography": {
"type": "string",
"description": "Region (IA, ECB). Default: IA",
"default": "IA"
}
},
"required": [
"product"
]
}🟢get_livestock_history(product, geography, periods)
Get price history for a livestock category
輸入結構描述
{
"type": "object",
"properties": {
"product": {
"type": "string",
"enum": [
"fed_cattle",
"feeder_cattle",
"cows",
"hogs",
"sheep"
]
},
"geography": {
"type": "string",
"default": "IA"
},
"periods": {
"type": "number",
"description": "Days (max 365)",
"default": 30
}
},
"required": [
"product"
]
}🟢list_livestock_products
List all available livestock categories
輸入結構描述
{
"type": "object",
"properties": {}
}🟢get_dairy_price(product, geography)
Get the latest price for a dairy product
輸入結構描述
{
"type": "object",
"properties": {
"product": {
"type": "string",
"enum": [
"butter",
"cheese",
"dry_whey",
"fluid_milk"
],
"description": "Dairy product (cheese, butter, dry_whey, fluid_milk)"
},
"geography": {
"type": "string",
"default": "US-Central"
}
},
"required": [
"product"
]
}🟢list_dairy_products
List all available dairy products
輸入結構描述
{
"type": "object",
"properties": {}
}🟢get_crop_stats(commodity, stat, geography)
Get NASS survey statistics (yield, production, acreage) for a commodity
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"description": "Commodity (CORN, SOYBEANS, WHEAT, etc.)",
"default": "CORN"
},
"stat": {
"type": "string",
"description": "Statistic type (YIELD, PRODUCTION, AREA PLANTED)",
"default": "YIELD"
},
"geography": {
"type": "string",
"description": "US for national, or state code (IA, IL, etc.)",
"default": "US"
}
},
"required": []
}🟢get_crop_condition(commodity, geography)
Get current NASS crop condition ratings (% excellent/good/fair/poor/very poor)
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"description": "Commodity (CORN, SOYBEANS, WHEAT)",
"default": "CORN"
},
"geography": {
"type": "string",
"description": "US for national, or state code (IA, IL, etc.)",
"default": "US"
}
},
"required": []
}🟢get_crop_progress(commodity, geography)
Get current NASS crop progress (% planted, emerged, harvested, etc.)
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"description": "Commodity (CORN, SOYBEANS, WHEAT)",
"default": "CORN"
},
"geography": {
"type": "string",
"description": "US for national, or state code (IA, IL, etc.)",
"default": "US"
}
},
"required": []
}🟢get_weather(location)
Get current weather conditions for an agricultural region
輸入結構描述
{
"type": "object",
"properties": {
"location": {
"type": "string",
"description": "Location key (IL-central, IA-central, NE-central, IN-central, KS-central)",
"default": "IL-central"
}
},
"required": []
}🟢get_forecast(location)
Get 7-day weather forecast for an agricultural region
輸入結構描述
{
"type": "object",
"properties": {
"location": {
"type": "string",
"description": "Location key",
"default": "IL-central"
}
},
"required": []
}🟢get_spreads(geography)
Get input-to-output price spreads: corn-to-nitrogen by product, soybean-to-corn, feeder-to-fed cattle
輸入結構描述
{
"type": "object",
"properties": {
"geography": {
"type": "string",
"default": "IL"
}
},
"required": []
}🟢get_wasde_projection(commodity, country, market_year)
Get USDA WASDE supply/demand projections for a commodity
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"description": "Commodity slug (e.g. corn, wheat, soybeans, rice, cotton)",
"enum": [
"corn",
"wheat",
"soybeans",
"soybean_meal",
"soybean_oil",
"rice",
"barley",
"cotton"
]
},
"country": {
"type": "string",
"description": "Country code or WORLD aggregate",
"default": "WORLD"
},
"market_year": {
"type": "number",
"description": "Marketing year (e.g. 2026 = 2025/26 season)"
}
},
"required": [
"commodity"
]
}🟢get_wasde_history(commodity, attribute, country)
Get historical WASDE projection revisions for a commodity attribute
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"enum": [
"corn",
"wheat",
"soybeans",
"soybean_meal",
"soybean_oil",
"rice",
"barley",
"cotton"
]
},
"attribute": {
"type": "string",
"description": "Projection attribute",
"enum": [
"beginning_stocks",
"production",
"imports",
"exports",
"domestic_consumption",
"ending_stocks"
],
"default": "ending_stocks"
},
"country": {
"type": "string",
"default": "WORLD"
}
},
"required": [
"commodity"
]
}🟢list_wasde_commodities
List all commodities tracked in WASDE projections
輸入結構描述
{
"type": "object",
"properties": {}
}🟢get_export_sales(commodity, country)
Get USDA weekly export sales for a commodity (net sales, outstanding, commitments)
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"enum": [
"wheat",
"barley",
"corn",
"sorghum",
"soybeans",
"soybean_meal",
"soybean_oil",
"cotton",
"rice"
],
"description": "Commodity slug"
},
"country": {
"type": "string",
"description": "GENC country code (e.g. CHN, MEX) or omit for all"
}
},
"required": [
"commodity"
]
}🟢get_export_sales_history(commodity, country, weeks)
Get weekly export sales time series for a commodity and country
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"enum": [
"wheat",
"barley",
"corn",
"sorghum",
"soybeans",
"soybean_meal",
"soybean_oil",
"cotton",
"rice"
]
},
"country": {
"type": "string",
"description": "GENC country code"
},
"weeks": {
"type": "number",
"description": "Number of weeks (default 12, max 52)"
}
},
"required": [
"commodity"
]
}🟢list_esr_commodities
List all commodities tracked in export sales
輸入結構描述
{
"type": "object",
"properties": {}
}🟢get_trade_flows(commodity, partner, months)
Get USDA GATS monthly trade flows (actual shipments) for a commodity
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"enum": [
"wheat",
"barley",
"corn",
"sorghum",
"soybeans",
"soybean_meal",
"soybean_oil",
"cotton",
"rice"
],
"description": "Commodity slug"
},
"partner": {
"type": "string",
"description": "Partner country code or omit for all"
},
"months": {
"type": "number",
"description": "Number of months (default 12, max 24)"
}
},
"required": [
"commodity"
]
}⚪compare_contracts_vs_shipments(commodity, partner)
Compare ESR sales contracts against GATS actual shipments — shows unshipped balance
輸入結構描述
{
"type": "object",
"properties": {
"commodity": {
"type": "string",
"enum": [
"wheat",
"barley",
"corn",
"sorghum",
"soybeans",
"soybean_meal",
"soybean_oil",
"cotton",
"rice"
],
"description": "Commodity slug"
},
"partner": {
"type": "string",
"description": "Partner country code or omit for all"
}
},
"required": [
"commodity"
]
}🟢list_gats_commodities
List all commodities tracked in GATS trade flows
輸入結構描述
{
"type": "object",
"properties": {}
}社群
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