# Reverie (MCP server)

> Reverie is an MCP server that adds database tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Graph memory that dreams: Neo4j knowledge-graph memory for AI agents with hybrid search. It has 69 GitHub stars, is released under the MIT license and runs locally with npx -y @knowall-ai/reverie.

Reverie is KnowAll AI's Neo4j knowledge-graph memory for AI agents, served over MCP. It is published on npm as @knowall-ai/reverie (successor to the legacy package @knowall-ai/mcp-neo4j-agent-memory). The GitHub repository is now knowall-ai/mcp-reverie, and old URLs redirect.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/knowall-ai/mcp-reverie |
| GitHub stars | 69 |
| License | MIT |
| Language | JavaScript |
| Transport | stdio |
| Packages | npm: @knowall-ai/reverie |
| Remote URL | none |
| Needs API key | yes |
| Official | yes |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Databases |
| Latest release | none |
| Last commit | Sep 25, 2026 |
| MCP registry name | ai.knowall/reverie |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "reverie": {
      "command": "npx",
      "args": [
        "-y",
        "@knowall-ai/reverie"
      ],
      "env": {
        "NEO4J_URI": "your-value",
        "NEO4J_USERNAME": "your-value",
        "NEO4J_PASSWORD": "your-value"
      }
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --env NEO4J_URI=your-value --env NEO4J_USERNAME=your-value --env NEO4J_PASSWORD=your-value --transport stdio reverie -- npx -y @knowall-ai/reverie
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "reverie": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@knowall-ai/reverie"
      ],
      "env": {
        "NEO4J_URI": "your-value",
        "NEO4J_USERNAME": "your-value",
        "NEO4J_PASSWORD": "your-value"
      }
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "neo4j_password",
      "description": "NEO4J_PASSWORD",
      "password": true
    }
  ],
  "servers": {
    "reverie": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@knowall-ai/reverie"
      ],
      "env": {
        "NEO4J_URI": "your-value",
        "NEO4J_USERNAME": "your-value",
        "NEO4J_PASSWORD": "${input:neo4j_password}"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `NEO4J_URI` (required): Bolt URI of the Neo4j 5 database, e.g. bolt://localhost:7687
- `NEO4J_USERNAME` (required): Neo4j user
- `NEO4J_PASSWORD` (secret) (required): Neo4j password
- `NEO4J_DATABASE`: Database name (Enterprise only; omit on Community Edition)
- `REVERIE_EMBEDDINGS`: Embedding provider for semantic search: local (default, no API key), openai, azure, ollama, voyage or none

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