Nexus Memory MCP Server: Install & Setup

Install Nexus Memory in Claude Code

Claude Code

claude mcp add nexus-memory -- npx -y nexus-memory-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "nexus-memory": {
      "command": "npx",
      "args": [
        "-y",
        "nexus-memory-mcp"
      ]
    }
  }
}

Persistent semantic memory for AI agents with knowledge graphs and Intelligence Packs.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add nexus-memory -- npx -y nexus-memory-mcp

emeraldleaf/okl

Verified memory for coding agents: briefed before each task, proven by checks, gated on change.

dovahkiin-v/mitos

Architectural decision memory for LLM-native workflows — markdown for humans, a graph for agents.

swisspra/On_Board

Cross-platform shared memory and ticket coordination for AI agents across MCP clients.

Lore-Context/lore-context

Governed AI-agent memory, Evidence Ledger traces, evals, and portable context tools.

microhenrio/openocd-mcp

Debug microcontrollers via OpenOCD: flash, breakpoints, memory, registers and variables.

qianqiuwanzi/hypermarrow-mcp

Local-first AI memory MCP server. Record, recall and consolidate memory on your own machine.