What is the key difference between Engrava and Rmbr?

Engrava belongs to the Databases category with local stdio execution, while Rmbr belongs to the Databases category with local stdio execution.

How do I install Engrava or Rmbr in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Engrava and Rmbr free or paid?

Engrava operates under a Free / Open Source model (No auth required). Rmbr operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Engrava lists 0 tools with 0 views and 1 GitHub stars. Rmbr lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Engrava and Rmbr together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Engrava or Rmbr in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Engrava and Rmbr free to use, or do they require API keys?

Engrava is listed under a Free / Open Source model with No auth required . Rmbr operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Engrava and Rmbr at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both engrava and rmbr as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Engrava has a Quality Score of 36 /100 ( Fair ) with 0 views, 0 installs, and 1 GitHub stars. Rmbr holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Engrava vs Rmbr

In-depth architectural comparison of the Engrava and Rmbr MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Engrava

Databases · Local stdio

Quality: 36/100 (Fair) | Auth: No auth required

Rmbr

Databases · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Engrava if you need specialized Databases tools running via a local process. Choose Rmbr if your workspace requires Databases integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Engrava when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Engrava Details

Choose Rmbr when:

You need dedicated capabilities in the Databases domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Rmbr Details

Feature & Specification Comparison

Specification	Engrava Databases	R Rmbr Databases
Summary	Tamper-evident audit, MindQL, and Action Records — embedded memory database for AI agents.	Embedded, local-first memory and retrieval for AI agents. One SQLite file, no server, no API key.
Category & Scope	Databases	Databases
Quality signal

Tools & Capabilities Breakdown

Engrava Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Rmbr Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Engrava Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "engrava": {
      "command": "uvx",
      "args": [
        "engrava-mcp"
      ]
    }
  }
}

Rmbr Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "rmbr": {
      "command": "npx",
      "args": [
        "-y",
        "rmbr"
      ]
    }
  }
}

Frequently Asked Questions

Engrava is categorized under Databases and uses a local stdio subprocess. In contrast, Rmbr belongs to Databases using local stdio subprocess. Select Engrava when you need capabilities focused on databases and Rmbr when you require tools for databases.

More alternatives to Engrava More alternatives to Rmbr Databases category hub