LangGraph Agent Chat UI vs MCP with Next.js (Vercel)
LangGraph Agent Chat UI ranks higher on current evidence: 23 commits by 4 contributors in the last 90 days (7 in the last 30).
| LangGraph Agent Chat UI | MCP with Next.js (Vercel) | |
|---|---|---|
| Grade | A | B |
| Verdict | ActiveCurrent deps | Steady1 major behind |
| Category rank | #3 | #15 |
| Model | Free | Free |
| Commits, 90 days | 23 | 2 |
| Contributors, 90 days | 4 | 1 |
| Last activity | Oct 15, 2026 | Jul 30, 2026 |
| Listed price | Free | Free |
| Evidence source | Code | Code |
| Latest release | — | — |
| License | MIT | MIT |
| Next.js | 16.4.0 ✓ | 15.2.6 (latest 16.4.2) |
| React | 19.3.0 ✓ | 19.1.0 ✓ |
| Tailwind CSS | 4.3.3 ✓ | — |
| TypeScript | 7.0.2 ✓ | 5.0.0 (latest 7.0.2) |
| Zod | 4.6.5 ✓ | 4.2.0 ✓ |
| Framework | Next.js | Next.js |
| UI | Tailwind CSS, Radix UI | — |
| Testing | Playwright | — |
Evidence checked . ✓ = on the latest major version. "Claimed" = a version the vendor's public pages mention, not verified code. Evidence as of Oct 19, 2026. Rankings never depend on affiliate or paid status. Method.