Persistent semantic memory for AI agents with knowledge graphs and Intelligence Packs.
Connect Runs on your machine
claude mcp add nexus-memory-mcp -e NEXUS_API_KEY=<NEXUS_API_KEY> -- npx -y [email protected]
{
"mcpServers": {
"nexus-memory-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"NEXUS_API_KEY": "<NEXUS_API_KEY>"
}
}
}
}
{
"mcpServers": {
"nexus-memory-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"NEXUS_API_KEY": "<NEXUS_API_KEY>"
}
}
}
}
{
"servers": {
"nexus-memory-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"NEXUS_API_KEY": "<NEXUS_API_KEY>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
NEXUS_API_KEYOptional | API key for Memory Nexus (get at bot-marketplace-production.up.railway.app or via /v1/trial/start) |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 11 Feb 2026 |
| Last updated | 11 Feb 2026 |
| Registry name | io.github.KairosMobius/nexus-memory-mcp |
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