What is the key difference between Agentfenster and Witness?

Agentfenster belongs to the Developer Tools category with cloud HTTP/SSE execution, while Witness belongs to the Developer Tools category with local stdio execution.

How do I install Agentfenster or Witness 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 Agentfenster and Witness free or paid?

Agentfenster operates under a Free / Open Source model (No auth required). Witness operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Agentfenster lists 0 tools with 0 views and 0 GitHub stars. Witness lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Agentfenster and Witness 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 Agentfenster or Witness 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 Agentfenster and Witness free to use, or do they require API keys?

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

Yes! MCP clients support multi-server orchestration. You can include both agentfenster and witness 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, Agentfenster has a Quality Score of 40 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars. Witness holds a Quality Score of 28 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Agentfenster vs Witness

In-depth architectural comparison of the Agentfenster and Witness 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

Agentfenster

Developer Tools · Remote HTTP/SSE

Quality: 40/100 (Fair) | Auth: No auth required

Witness

Developer Tools · Local stdio

Quality: 28/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Agentfenster if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Witness if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Agentfenster when:

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

Explore Agentfenster Details

Choose Witness when:

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

Explore Witness Details

Feature & Specification Comparison

Specification	Agentfenster Developer Tools	W Witness Developer Tools
Summary	Windows GUI automation on a hidden second desktop, driven from Claude Code over MCP.	Second brain for Claude Code & OpenCode: distills how your patterns and knowledge evolve over time.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Agentfenster Tools (0)

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

Witness 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).

Agentfenster Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "agentfenster": {
      "url": "https://agentfenster.com/mcp"
    }
  }
}

Witness Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Agentfenster is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Witness belongs to Developer Tools using local stdio subprocess. Select Agentfenster when you need capabilities focused on developer tools and Witness when you require tools for developer tools.

More alternatives to Agentfenster More alternatives to Witness Developer Tools category hub