AI agent starters · Rank #58
lc-studylab
Grade D: derived only from the two verdicts below. How grades work
LC-StudyLab 是一个完整演示 LangChain v1.0 全家桶能力的开源项目,整合了 LangGraph、DeepAgents、RAG 检索增强生成、Guardrails 安全校验与流式输出智能体等核心特性,帮助开发者系统掌握 LangChain v1 的所有关键组件
Why this verdict
How we check →- No commits in 90 days; last commit 333 days ago. receipt ↗
- Latest release v0.6.0, 340 days ago. receipt ↗
- Vercel AI SDK 6 declared; latest is 7 (1 major behind). receipt ↗
- On current major: LangChain, Next.js, Pydantic, React, Tailwind CSS, Zod. receipt ↗
- Not counted in verdict: TypeScript 5 → 7, FastAPI 0 → 0. receipt ↗
Snapshot: commit 996c237 on main, checked 2026-10-19 06:47 UTC. Receipts link to files at this exact commit.
Dependency freshness
| Package | Declared | Latest | Status |
|---|---|---|---|
| TypeScript typescript | 5.0.0 | 7.0.2 | Behind, not counted |
| FastAPI fastapi | 0.121.0 | 0.146.0 | Behind, not counted |
| Vercel AI SDK ai | 6.0.0-beta.95 | 7.0.143 | 1 major behind |
| LangChain langchain | 1.0.3 | 1.4.6 | Current |
| LangGraph langgraph | 1.0.2 | 1.2.16 | Current |
| Next.js next | 16.0.1 | 16.4.2 | Current |
| Pydantic pydantic | 2.12.4 | 2.14.1 | Current |
| React react | 19.2.0 | 19.3.1 | Current |
| Tailwind CSS tailwindcss | 4.0.0 | 4.3.3 | Current |
| Zod zod | 4.1.12 | 4.6.7 | Current |
Declared = lowest version the kit's dependency file (package.json, pyproject.toml or requirements.txt) allows. Latest = the npm "latest" tag or the newest PyPI release. TypeScript, the Stripe SDK, FastAPI and other 0.x packages are shown but not counted in the verdict.
What's in the stack
- API layer
- Pydantic, Uvicorn
Detected from declared dependencies. A listed package means it's installed, not necessarily fully wired up.
What the README says you get
- AIAgent with tool calling
基于 `create_agent` 的智能体封装
- AIStreaming output
流式输出支持(Streaming)
- AIRAG Agent
RAG Agent 实现
- AIHuman-in-the-Loop
人机交互(Human-in-the-Loop)
- APIFastAPI HTTP interface
FastAPI HTTP 接口
- APIIndex management API
完整的索引管理 API
- DataFAISS vector index
向量索引构建与管理(FAISS)
- DataSQLite checkpointing
检查点持久化(SQLite)
- OtherCLI interactive tool
CLI 交互式工具
Extracted from the kit's README by a local AI model (deepseek-flash) on Sep 29, 2026. Every item is checked against an exact README quote; 5 unverifiable items were discarded. A README claim is the maker's description, not something we tested.
Watch lc-studylab
Get told if it goes dormant, gets archived, falls further behind on a core dependency, or changes its license or price.
History
Sep 29, 2026 → Oct 19, 2026. One square per check, colored by maintenance status. Hover for details.
Show as a table
| Date | Maintenance | Dependencies | Commits (90d) |
|---|---|---|---|
| Oct 19, 2026 | Dormant | 1 major behind | 0 |
| Oct 12, 2026 | Dormant | 1 major behind | 0 |
| Sep 29, 2026 | Dormant | 1 major behind | 0 |
Sources
Every claim on this page comes from these public records, checked . Open them to verify.
- Commit history ↗ default branch (main) at the checked commit: pulse, contributors, last commit
- Releases ↗ latest release
- frontend/package.json ↗ declared dependency versions and stack (at commit 996c237)
- backend/requirements.txt ↗ declared dependency versions and stack (at commit 996c237)
- README ↗ quoted features at the checked commit
- npm registry ↗ latest versions (each linked in the table above)
- PyPI ↗ latest versions of Python packages (each linked in the table above)