What is the key difference between Cathedral — Persistent Memory for AI Agents and Corvid?

Cathedral — Persistent Memory for AI Agents belongs to the Knowledge & Memory category with local stdio execution, while Corvid belongs to the Knowledge & Memory category with cloud HTTP/SSE execution.

How do I install Cathedral — Persistent Memory for AI Agents or Corvid 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 Cathedral — Persistent Memory for AI Agents and Corvid free or paid?

Cathedral — Persistent Memory for AI Agents operates under a Free / Open Source model (No auth required). Corvid operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Cathedral — Persistent Memory for AI Agents lists 0 tools with 0 views and 0 GitHub stars. Corvid lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Cathedral — Persistent Memory for AI Agents and Corvid 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 Cathedral — Persistent Memory for AI Agents or Corvid 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 Cathedral — Persistent Memory for AI Agents and Corvid free to use, or do they require API keys?

Cathedral — Persistent Memory for AI Agents is listed under a Free / Open Source model with No auth required . Corvid 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 Cathedral — Persistent Memory for AI Agents and Corvid at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both cathedral-persistent-memory-for-ai-agents and corvid 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, Cathedral — Persistent Memory for AI Agents has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Corvid holds a Quality Score of 42 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Cathedral — Persistent Memory for AI Agents vs Corvid

In-depth architectural comparison of the Cathedral — Persistent Memory for AI Agents and Corvid 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

Cathedral — Persistent Memory for AI Agents

Knowledge & Memory · Local stdio

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

Corvid

Knowledge & Memory · Remote HTTP/SSE

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

Verdict Summary: Choose Cathedral — Persistent Memory for AI Agents if you need specialized Knowledge & Memory tools running via a local process. Choose Corvid 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 Cathedral — Persistent Memory for AI Agents when:

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

Explore Cathedral — Persistent Memory for AI Agents Details

Choose Corvid 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 Corvid Details

Feature & Specification Comparison

Specification	C Cathedral — Persistent Memory for AI Agents Knowledge & Memory	C Corvid Knowledge & Memory
Summary
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

Cathedral — Persistent Memory for AI Agents Tools (0)

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

Corvid 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).

Cathedral — Persistent Memory for AI Agents Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "cathedral-persistent-memory-for-ai-agents": {
      "command": "npx",
      "args": [
        "-y",
        "cathedral-persistent-memory-for-ai-agents"
      ]
    }
  }
}

Corvid Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "corvid": {
      "url": "https://corvid.perch-app.workers.dev"
    }
  }
}

Frequently Asked Questions

Cathedral — Persistent Memory for AI Agents is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Corvid belongs to Knowledge & Memory using remote streaming HTTP/SSE transport. Select Cathedral — Persistent Memory for AI Agents when you need capabilities focused on knowledge & memory and Corvid when you require tools for knowledge & memory.

More alternatives to Cathedral — Persistent Memory for AI Agents More alternatives to Corvid Knowledge & Memory category hub