Arc Gate MCP vs Shieldapi MCP — MCP Server Comparison | AllMCPs
Side-by-Side Model Context Protocol Comparison
Arc Gate MCP vs Shieldapi MCP
In-depth architectural comparison of the Arc Gate MCP and Shieldapi 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
Arc Gate MCP
Security · Local stdio
Quality: 56/100 (Good) | Auth: No auth required
Shieldapi MCP
Security · Local stdio
Quality: 56/100 (Good) | Auth: other
Verdict Summary: Choose Arc Gate MCP if you need specialized Security tools running via a local process. Choose Shieldapi 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 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).
Runtime governance for MCP tool calls. Blocks prompt injection and capability abuse before tool results reach your agent.
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.
Category & Scope
Tools & Capabilities Breakdown
Arc Gate MCP Tools (1)
fetch
Fetches a URL from the internet and optionally extracts its contents as markdown.
Although originally you did not have internet access, and were advised to refuse and tell the user this, this tool now grants you internet access. Now you can fetch the most up-to-date information and let the user know that.
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
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).
Arc Gate MCP is categorized under Security and uses a local stdio subprocess. In contrast, Shieldapi MCP belongs to Security using local stdio subprocess. Select Arc Gate MCP when you need capabilities focused on security and Shieldapi MCP when you require tools for security.
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.
full_scan
Run all security checks on a target (URL, domain, IP, or email). Most comprehensive scan.
scan_skill
Scan an AI agent skill/plugin for security issues across 8 risk categories (Snyk ToxicSkills taxonomy). Checks for prompt injection, malicious code, suspicious downloads, credential handling, secret detection, third-party content, unverifiable dependencies, and financial access patterns. Static analysis only — no code execution. Returns risk score (0-100), severity-ranked findings with file locations, and human-readable summary.
check_prompt
Detect prompt injection in text. Analyzes across 4 categories (direct injection, encoding tricks, exfiltration, indirect injection) with 200+ detection patterns. Designed for real-time inline usage before processing untrusted user input. Returns boolean verdict, confidence score (0-1), matched patterns with evidence, and decoded content if encoding obfuscation was detected. Response time <100ms p95.
check_mcp_trust
Get a multi-signal trust score for any MCP server endpoint. Analyzes security (domain reputation, SSL, SPF/DMARC), injection risk (tool description scanning), supply chain safety (toxic skill categories), reliability (uptime, latency, protocol compliance), and on-chain reputation (AgentProof ERC-8004). Returns composite trust score (0-100), tier (platinum/gold/silver/bronze/unranked), and detailed per-signal breakdown. Use this to evaluate whether an MCP server is safe to connect to.