What is the key difference between Arc and MemoryRouter?

Arc belongs to the Knowledge & Memory category with cloud HTTP/SSE execution, while MemoryRouter belongs to the Knowledge & Memory category with cloud HTTP/SSE execution.

How do I install Arc or MemoryRouter 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 Arc and MemoryRouter free or paid?

Arc operates under a Free / Open Source model (No auth required). MemoryRouter operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Arc lists 0 tools with 0 views and 0 GitHub stars. MemoryRouter lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Arc and MemoryRouter 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 Arc or MemoryRouter 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 Arc and MemoryRouter free to use, or do they require API keys?

Arc is listed under a Free / Open Source model with No auth required . MemoryRouter 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 Arc and MemoryRouter at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both arc and memoryrouter 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, Arc has a Quality Score of 30 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. MemoryRouter holds a Quality Score of 42 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Arc vs MemoryRouter

In-depth architectural comparison of the Arc and MemoryRouter 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

Arc

Knowledge & Memory · Remote HTTP/SSE

Quality: 30/100 (Emerging) | Auth: No auth required

MemoryRouter

Knowledge & Memory · Remote HTTP/SSE

Quality: 42/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Arc if you need specialized Knowledge & Memory tools running via a hosted cloud SSE transport. Choose MemoryRouter if your workspace requires Knowledge & Memory integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Arc when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Arc Details

Choose MemoryRouter when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore MemoryRouter Details

Feature & Specification Comparison

Specification	A Arc Knowledge & Memory	M MemoryRouter Knowledge & Memory
Summary	Local coordination hub for coding agents: durable shared memory, tasks, and handoffs. Desktop app.	Persistent AI memory shared across Claude, ChatGPT, coding agents, and compatible MCP clients.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

Arc Tools (0)

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

MemoryRouter 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).

Arc Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "arc": {
      "url": "https://megastructure.ai/arc"
    }
  }
}

MemoryRouter Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "memoryrouter": {
      "url": "https://memoryrouter.ai"
    }
  }
}

Frequently Asked Questions

Arc is categorized under Knowledge & Memory and uses a remote streaming HTTP/SSE transport. In contrast, MemoryRouter belongs to Knowledge & Memory using remote streaming HTTP/SSE transport. Select Arc when you need capabilities focused on knowledge & memory and MemoryRouter when you require tools for knowledge & memory.

More alternatives to Arc More alternatives to MemoryRouter Knowledge & Memory category hub

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