Sieve Mcp vs Mcp Gateway Scan

In-depth architectural comparison of the Sieve Mcp and Mcp Gateway Scan 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.

Which MCP Server Should You Choose?

Choose Sieve Mcp 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).
• Primary tools included: sieve_health_status, sieve_self_test, sieve_findings_list.

Explore Sieve Mcp Details

Choose Mcp Gateway Scan 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: Scores seven security and production-readiness dimensions, Checks RBAC, fail-closed behavior, supply chain, observability, cost, secrets, and operational read…, Provides CONNECT, REVIEW, or DO-NOT-CONNECT verdicts.

Feature & Specification Comparison

Specification	Sieve Mcp gautam-u Security	Mcp Gateway Scan willianpinho Security
Summary	Local AI chat history secret scanner for macOS. Finds API keys and secrets leaked into Claude Code, Cursor, Copilot Chat, Cline, Codex, Gemini CLI, and other AI tool transcripts. 9 MCP tools: findings list with redacted previews, boolean secret detection (sievechecktext), placeholder-only redaction (sieveredacttext returns sieve://project/key, never raw values), vault-backed command execution, and scan health. Local-only stdio transport, macOS Keychain vault, no plaintext secrets in any tool response. Mac App Store.	Read-only static scanner for MCP / agent-gateway production-readiness. The scangateway tool scores a repo across 7 security dimensions (RBAC, fail-closed, supply chain, observability, cost, secrets, prod-readiness). Never executes code or prints secret values.

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "gautam-u-sieve-mcp": {
      "url": "https://apps.apple.com/app/sieve-ai-secret-scanner/id6747506504"
    }
  }
}

{
  "mcpServers": {
    "willianpinho-mcp-gateway-scan": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-gateway-scan",
        "mcp"
      ]
    }
  }
}

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