{"name":"commodity-brief","description":"Market brief for a commodity: recency-scoped web search headlines on price/supply/demand plus a structured research brief with overview, key facts, and recent news with source citations, in one call. Composite: one call runs search as the required leg and research-brief in parallel as an optional leg, so an LLM/scrape hiccup degrades the response instead of failing the call. Use it as a commodity market brief or price/supply/demand digest for agents tracking oil, metals, grains, or other commodities.","price":"$0.05","method":"POST","input_schema":{"properties":{"commodity":{"type":"string","description":"Commodity to brief, e.g. 'crude oil' or 'copper'. Max 100 chars."}},"required":["commodity"]},"input_example":{"commodity":"copper"},"output_example":{"commodity":"copper","headlines":[{"title":"Copper prices rise on supply concerns","url":"https://example.com/copper","domain":"example.com"}],"overview":"Copper is a widely used industrial metal...","recent_news":[{"headline":"Mine output disruption reported","date_hint":"2026-07","summary":"...","source_index":0}],"sources":[{"title":"Copper market report","url":"https://example.com/report","domain":"example.com"}],"composed_of":["search","research-brief"],"components":[{"name":"search","ok":true,"ms":400}],"degraded":false},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}