What is the key difference between Shieldapi MCP and Arc Gate MCP?

Shieldapi MCP belongs to the Security category with local stdio execution, while Arc Gate MCP belongs to the Security category with local stdio execution.

How do I install Shieldapi MCP or Arc Gate MCP 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 Shieldapi MCP and Arc Gate MCP free or paid?

Shieldapi MCP operates under a Freemium model (other). Arc Gate MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Shieldapi MCP lists 10 tools with 4 views and 1 GitHub stars. Arc Gate MCP lists 1 tools with 5 views and 2 GitHub stars.

Can I use both Shieldapi MCP and Arc Gate MCP 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

Shieldapi MCP vs Arc Gate MCP

In-depth architectural comparison of the Shieldapi MCP and Arc Gate MCP 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

Shieldapi MCP

Security · Local stdio

Quality: 56/100 (Good) | Auth: other

Arc Gate MCP

Security · Local stdio

Quality: 56/100 (Good) | Auth: No auth required

Verdict Summary: Choose Shieldapi MCP if you need specialized Security tools running via a local process. Choose Arc Gate MCP 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 Shieldapi MCP when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Freemium).
You have access to required keys: SHIELDAPI_URL, SHIELDAPI_WALLET_PRIVATE_KEY.
Primary tools included: check_url, check_password, check_password_range.

Explore Shieldapi MCP Details

Choose Arc Gate MCP 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: fetch.

Explore Arc Gate MCP Details

Feature & Specification Comparison

Specification	Shieldapi MCP alberthild Security	Arc Gate MCP 9hannahnine-jpg Security
Summary	Security intelligence for AI agents: password breach checks (900M+ HIBP hashes), email/domain/IP/URL reputation, prompt injection detection (200+ patterns), and skill supply chain scanning. Pay-per-request via x402 USDC micropayments or free demo mode, no API key needed.	Runtime governance for MCP tool calls. Blocks prompt injection and capability abuse before tool results reach your agent.
Category & Scope

Tools & Capabilities Breakdown

Shieldapi MCP Tools (10)

check_url

Check a URL for malware, phishing, and other threats. Uses URLhaus + heuristic analysis.

check_password

Check if a password hash (SHA-1) has been exposed in known data breaches via HIBP.

check_password_range

Look up a SHA-1 hash prefix in the HIBP k-Anonymity database.

check_domain

Check domain reputation: DNS records, blacklists (Spamhaus, SpamCop, SORBS), SPF/DMARC, SSL.

check_ip

Check IP reputation: blacklists, Tor exit node detection, reverse DNS.

check_email

Check if an email address has been exposed in known data breaches via HIBP.

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).

Shieldapi MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "alberthild-shieldapi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "shieldapi-mcp"
      ],
      "env": {
        "SHIELDAPI_URL": "YOUR_SHIELDAPI_URL_HERE",
        "SHIELDAPI_WALLET_PRIVATE_KEY": "YOUR_SHIELDAPI_WALLET_PRIVATE_KEY_HERE"
      }
    }
  }
}

Arc Gate MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "9hannahnine-jpg-arc-gate-mcp": {
      "command": "uvx",
      "args": [
        "mcp-server-fetch"
      ]
    }
  }
}

Frequently Asked Questions

Shieldapi MCP is categorized under Security and uses a local stdio subprocess. In contrast, Arc Gate MCP belongs to Security using local stdio subprocess. Select Shieldapi MCP when you need capabilities focused on security and Arc Gate MCP when you require tools for security.

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