Agent Nexus is a self-hosted, model-agnostic AI agent platform. Build and observe agents backed by Claud, GPT, Gemini, or Ollama — no vendor lock-in, no data leaving your servers. Features: visual multi-agent canvas, MCP integration, tool approval gates, pgvectr memory & RAG, full SSE traces, webhook triggers, multi-workspace RBAC, admin dashboard, Nexus AI meta-agent. Built with Go + PostgreSQL + Next.js 14. MIT Licensed.