What is the key difference between Great Arrow and Heirmos?

Great Arrow belongs to the Knowledge & Memory category with cloud HTTP/SSE execution, while Heirmos belongs to the Knowledge & Memory category with cloud HTTP/SSE execution.

How do I install Great Arrow or Heirmos 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 Great Arrow and Heirmos free or paid?

Great Arrow operates under a Free / Open Source model (No auth required). Heirmos operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Great Arrow lists 0 tools with 0 views and 0 GitHub stars. Heirmos lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Great Arrow and Heirmos 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.

Side-by-Side Model Context Protocol Comparison

Great Arrow vs Heirmos

In-depth architectural comparison of the Great Arrow and Heirmos 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

Great Arrow

Knowledge & Memory · Remote HTTP/SSE

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

Heirmos

Knowledge & Memory · Remote HTTP/SSE

Quality: 41/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Great Arrow if you need specialized Knowledge & Memory tools running via a hosted cloud SSE transport. Choose Heirmos 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 Great Arrow 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 Great Arrow Details

Choose Heirmos 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 Heirmos Details

Feature & Specification Comparison

Specification	G Great Arrow Knowledge & Memory	H Heirmos Knowledge & Memory
Summary	Shared memory and actions for Claude, Kiro, OpenAI, Cursor, and other MCP-compatible AI clients.	Persistent memory shared across Claude, ChatGPT, Grok and other MCP clients.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

Great Arrow Tools (0)

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

Heirmos 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).

Great Arrow Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "great-arrow": {
      "url": "https://www.greatarrow.ai/"
    }
  }
}

Heirmos Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "heirmos": {
      "url": "https://heirmos.com"
    }
  }
}

Frequently Asked Questions

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

More alternatives to Great Arrow More alternatives to Heirmos Knowledge & Memory category hub