What is the key difference between FedRAMP 20x Requirements and Kastell?

FedRAMP 20x Requirements belongs to the Security category with local stdio execution, while Kastell belongs to the Security category with local stdio execution.

How do I install FedRAMP 20x Requirements or Kastell 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 FedRAMP 20x Requirements and Kastell free or paid?

FedRAMP 20x Requirements operates under a Free / Open Source model (No auth required). Kastell operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

FedRAMP 20x Requirements lists 11 tools with 0 views and 6 GitHub stars. Kastell lists 6 tools with 4 views and 59 GitHub stars.

Can I use both FedRAMP 20x Requirements and Kastell 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

FedRAMP 20x Requirements vs Kastell

In-depth architectural comparison of the FedRAMP 20x Requirements and Kastell 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

FedRAMP 20x Requirements

Security · Local stdio

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

Kastell

Security · Local stdio

Quality: 63/100 (Good) | Auth: No auth required

Verdict Summary: Choose FedRAMP 20x Requirements if you need specialized Security tools running via a local process. Choose Kastell if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose FedRAMP 20x Requirements when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: PowerShell, VDR, RSC.

Explore FedRAMP 20x Requirements Details

Choose Kastell when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Server security audits with remediation, SSH hardening and fail2ban setup, UFW firewall management.

Explore Kastell Details

Feature & Specification Comparison

Specification	FedRAMP 20x Requirements Security	Kastell kastelldev Security
Summary	An MCP server that provides access to FedRAMP 20x security requirements and controls.	Server security auditing and hardening toolkit. 413 security checks across 29 categories (SSH, Firewall, Docker, TLS, HTTP Headers), CIS/PCI-DSS/HIPAA compliance mapping, 19-step production hardening, fleet management, and forensic evidence collection. Supports Hetzner, DigitalOcean, Vultr, and Linode. 13 MCP tools.
Category & Scope	Security

Tools & Capabilities Breakdown

FedRAMP 20x Requirements Tools (11)

PowerShell

Azure PowerShell cmdlets for automated collection

VDR

Vulnerability Detection and Response (59 requirements): Vulnerability scanning, patch management, remediation timeframes, deviation tracking, KEV vulnerability handling

RSC

Recommended Secure Configuration (10 requirements): Security baselines, configuration management, hardening standards

UCM

Using Cryptographic Modules (4 requirements): FIPS 140-3 compliance, key management, encryption standards

SCN

Significant Change Notifications (26 requirements): Change management, notification procedures, impact assessment

ADS

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).

FedRAMP 20x Requirements Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "fedramp-20x-requirements": {
      "command": "npx",
      "args": [
        "-y",
        "fedramp-20x-requirements"
      ]
    }
  }
}

Kastell Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

FedRAMP 20x Requirements is categorized under Security and uses a local stdio subprocess. In contrast, Kastell belongs to Security using local stdio subprocess. Select FedRAMP 20x Requirements when you need capabilities focused on security and Kastell when you require tools for security.

More alternatives to FedRAMP 20x Requirements More alternatives to Kastell Security category hub