What is the key difference between Sieve MCP and 4da MCP Server?

Sieve MCP belongs to the Security category with local stdio execution, while 4da MCP Server belongs to the Security category with local stdio execution.

How do I install Sieve MCP or 4da MCP Server 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 Sieve MCP and 4da MCP Server free or paid?

Sieve MCP operates under a Free / Open Source model (No auth required). 4da MCP Server operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Sieve MCP lists 9 tools with 2 views and 1 GitHub stars. 4da MCP Server lists 6 tools with 2 views and 2 GitHub stars.

Can I use both Sieve MCP and 4da MCP Server 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

Sieve MCP vs 4da MCP Server

In-depth architectural comparison of the Sieve MCP and 4da MCP Server 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

Sieve MCP

Security · Local stdio

Quality: 51/100 (Good) | Auth: No auth required

4da MCP Server

Security · Local stdio

Quality: 45/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Sieve MCP if you need specialized Security tools running via a local process. Choose 4da MCP Server 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 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 4da MCP Server 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: Local dependency and codebase scanning, CVE and vulnerability scanning, Dependency health checks.

Explore 4da MCP Server Details

Feature & Specification Comparison

Specification	Sieve MCP gautam-u Security	4da MCP Server 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.	Dependency intelligence for AI agents. CVE scanning, health checks, upgrade planning.
Category & Scope

Tools & Capabilities Breakdown

Sieve MCP Tools (9)

sieve_health_status

Returns service health and finding counts.

sieve_self_test

Verifies scanner rules and transcript source coverage are healthy.

sieve_findings_list

Lists findings from the most recent scan.

sieve_issue_list

Lists scanner health issues — unreadable sources, permission errors, parse failures.

sieve_scan_history

Returns past scan job summaries.

sieve_scan_status

Returns status of the current or most recent scan.

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).

Sieve MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

4da MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "4da-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@4da/mcp-server"
      ]
    }
  }
}

Frequently Asked Questions

Sieve MCP is categorized under Security and uses a local stdio subprocess. In contrast, 4da MCP Server belongs to Security using local stdio subprocess. Select Sieve MCP when you need capabilities focused on security and 4da MCP Server when you require tools for security.

More alternatives to Sieve MCP More alternatives to 4da MCP Server Security category hub Canonical compare URL