85+ buildable AI engineering portfolio projects for 2026, grouped by theme (RAG, agents, evals, fine-tuning, multimodal…). Free, MIT. By Landed.
13 portfolio projects that actually land AI jobs in 2026: deep, buildable briefs with staged milestones, evals, and deploy steps. Free, MIT. By Landed.
AI marketing & sales digitalization system for an overseas C&I ESS (commercial & industrial energy storage) exporter — requirements-driven product ▎ development with superpowers workflow. Closed loops: content acquisition (L1), lead automation (L2), prospect scoring (L3), pre-sales service (L4); ▎ Fact-card-driven, traceable content.
Modular, offline-first delivery toolkit for AI field-deployment engineers (FDE): Covers requirement diagnosis → data-prep pipeline → prototype assembly → deployment hardening → monitoring → data flywheel, plus a reusable-asset registry (auto-surface + one-click adopt) and a project war-room console. zero-build web console, runs fully offline.
LoRA 微调的数据与实验库 —— 数据集、训练配置、实验记录、评测结果集中存放
A production-readiness eval gate for AI agents — exit codes, not hints. 判分链路五段 → 退出码 0放行 / 1阻断 / 2人工复核 / 3运行错误；抓到过只有外部独立门能发现的生产缺陷。
多租户分层记忆系统架构：6 类存储 · 5 层检索 · 程序性记忆自进化。Append-Only 由数据库触发器强制 —— 有测试证明 UPDATE/DELETE 真被拒绝。Layered memory architecture for multi-tenant AI agents.
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