Osv MCP vs Osv Ui

In-depth architectural comparison of the Osv MCP and Osv Ui 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 Osv 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: MCP_PORT, MCP_TRANSPORT.
• Primary tools included: Query package versions or commits, Accept package URLs for lookups, Batch query multiple packages or commits.

Explore Osv MCP Details

Choose Osv Ui 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: scan_project, open_dashboard, get_fix_commands.

Feature & Specification Comparison

Specification	Osv MCP StacklokLabs Security	Osv Ui toan203 Security
Summary	Access the OSV (Open Source Vulnerabilities) database for vulnerability information. Query vulnerabilities by package version or commit, batch query multiple packages, and get detailed vulnerability information by ID.	Visual CVE audit dashboard for npm, Python, Go, and Rust. Scan from Claude/Cursor, opens a browser UI for human review (human-in-the-loop), applies fixes with explicit confirmation. Powered by OSV.dev.
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": {
    "stackloklabs-osv-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "stackloklabs-osv-mcp"
      ],
      "env": {
        "MCP_PORT": "YOUR_MCP_PORT_HERE",
        "MCP_TRANSPORT": "YOUR_MCP_TRANSPORT_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "toan203-osv-ui": {
      "command": "npx",
      "args": [
        "-y",
        "osv-ui"
      ]
    }
  }
}

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