What is the key difference between GroundTruth MCP and Pkgxray?

GroundTruth MCP belongs to the Security category with local stdio execution, while Pkgxray belongs to the Security category with local stdio execution.

How do I install GroundTruth MCP or Pkgxray 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 GroundTruth MCP and Pkgxray free or paid?

GroundTruth MCP operates under a Free / Open Source model (No auth required). Pkgxray operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

GroundTruth MCP lists 6 tools with 3 views and 6 GitHub stars. Pkgxray lists 6 tools with 4 views and 11 GitHub stars.

Can I use both GroundTruth MCP and Pkgxray 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

GroundTruth MCP vs Pkgxray

In-depth architectural comparison of the GroundTruth MCP and Pkgxray 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

GroundTruth MCP

Security · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Pkgxray

Security · Local stdio

Quality: 47/100 (Fair) | Auth: No auth required

Verdict Summary: Choose GroundTruth MCP if you need specialized Security tools running via a local process. Choose Pkgxray 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 GroundTruth 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).
You have access to required keys: GT_GITHUB_TOKEN.
Primary tools included: 14 MCP tools for documentation, audits, search, comparison, and migrations, 107+ audit patterns across 18 categories, Exact file-and-line findings with live fix guidance.

Explore GroundTruth MCP Details

Choose Pkgxray 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: Static quarantined package analysis, SAFE, REVIEW, and BLOCK verdicts, Cited file-level evidence.

Feature & Specification Comparison

Specification	GroundTruth MCP rm-rf-prod Security	Pkgxray Security
Summary	Self-hosted MCP for live docs, code audits, snippets, and best practices across 445+ libraries. 14 tools, 107 audit patterns with file:line precision, BM25-ranked snippets, lockfile-aware version pinning, npm/PyPI/crates.io/Go fallback. No API keys, no rate limits, Context7 alternative. npx -y @groundtruth-mcp/gt-mcp	Pre-install security scans for npm packages, MCP servers, and AI agents with cited verdict evidence.
Category & Scope	Security

Tools & Capabilities Breakdown

GroundTruth MCP Tools (6)

14 MCP tools for documentation, audits, search, comparison, and migrations

107+ audit patterns across 18 categories

Exact file-and-line findings with live fix guidance

BM25-ranked, version-aware code snippets

Fallback package lookup across npm, PyPI, crates.io, and pkg.go.dev

Optional GitHub token for higher request limits

Pkgxray Tools (6)

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).

GroundTruth MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "rm-rf-prod-groundtruth-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@groundtruth-mcp/gt-mcp@latest"
      ],
      "env": {
        "GT_GITHUB_TOKEN": "YOUR_GT_GITHUB_TOKEN_HERE"
      }
    }
  }
}

Pkgxray Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "pkgxray": {
      "command": "npx",
      "args": [
        "-y",
        "--yes"
      ]
    }
  }
}

Frequently Asked Questions

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

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