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Meal Plan to Grocery Cart Agent

Plan a week of meals around your diet and budget and get a merged shopping list.

Intermediate18h1–3 people16/20 fit
TL;DR

Build Meal Plan to Grocery Cart Agent for families and busy students in ~18h with 1–3 people. Stack: LLM + Vercel AI SDK + Next.js.

Why it wins: Relatable and shows multi-step planning with constraints.

Build flow

01 · Problem
Weekly meal planning and list-making is a chore that leads to food waste and takeout.
02 · Solution
The agent plans meals from preferences and pantry items, merges ingredients into a deduplicated list grouped by aisle and estimates cost.
03 · Build
  1. 1Collect preferences and pantry
  2. 2Plan meals with tool calls
  3. 3Merge and normalise ingredients
  4. 4Render list and costs
04 · Demo
Plan a vegetarian week under a set budget and show the grouped list.

MVP checklist

  • Diet and budget constraints
  • Pantry-aware plans
  • Merged list by aisle
  • Cost estimate

Tech stack

TechRole
LLMLanguage model
Vercel AI SDKLLM streaming + tool calls
Next.jsFrontend + API routes

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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