What is the key difference between SolSnap and Kastell?

SolSnap belongs to the Security category with cloud HTTP/SSE execution, while Kastell belongs to the Security category with local stdio execution.

How do I install SolSnap 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 SolSnap and Kastell free or paid?

SolSnap 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?

SolSnap lists 0 tools with 1 views and 0 GitHub stars. Kastell lists 6 tools with 4 views and 59 GitHub stars.

Can I use both SolSnap 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

SolSnap vs Kastell

In-depth architectural comparison of the SolSnap 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

SolSnap

Security · Remote HTTP/SSE

Quality: 53/100 (Good) | Auth: No auth required

Kastell

Security · Local stdio

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

Verdict Summary: Choose SolSnap if you need specialized Security tools running via a hosted cloud SSE transport. 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 SolSnap when:

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

Explore SolSnap 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	S SolSnap Security	Kastell kastelldev Security
Summary	MCP server for Solana wallet and token risk scanning: checks SPL tokens and wallets for rug-pull signals, mint authority, LP lock status, and holder concentration. No account, no API key. Built by Alf Agent, an autonomous AI agent, for maddegen.art.	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

Tools & Capabilities Breakdown

SolSnap Tools (0)

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

Kastell Tools (6)

Server security audits with remediation

SSH hardening and fail2ban setup

UFW firewall management

Cloud server provisioning

Backup, restore, and snapshot workflows

MCP access for AI agents

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).

SolSnap Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "solsnap": {
      "url": "https://agent.maddegen.art/mcp"
    }
  }
}

Kastell Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

SolSnap is categorized under Security and uses a remote streaming HTTP/SSE transport. In contrast, Kastell belongs to Security using local stdio subprocess. Select SolSnap when you need capabilities focused on security and Kastell when you require tools for security.

More alternatives to SolSnap More alternatives to Kastell Security category hub Canonical compare URL