Sieve MCP vs Privacyscrubber MCP

In-depth architectural comparison of the Sieve MCP and Privacyscrubber 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.

Which MCP Server Should You Choose?

Choose Sieve 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: sieve_health_status, sieve_self_test, sieve_findings_list.

Explore Sieve MCP Details

Choose Privacyscrubber MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• Primary tools included: Local PII and secret tokenization, Text sanitization with selectable profiles, Sanitization for text and supported local files.

Explore Privacyscrubber MCP Details

Feature & Specification Comparison

Specification	Sieve MCP gautam-u Security	Privacyscrubber MCP moxno 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.	Zero-trust local PII and secrets masking server for Cursor, Windsurf, and Claude Desktop. npx pii-masking-run
Category & Scope

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": {
      "command": "npx",
      "args": [
        "-y",
        "gautam-u-sieve-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "moxno-privacyscrubber-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli"
      ]
    }
  }
}

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