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EPSS

Verified Integration
Author: @jgamblin•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Python#Git#Filesystem#AI#GitHub#Node.js#Docker

Client Configuration

— Connect EPSS to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "epss": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-epss"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Retrieves CVE details from the NVD API and fetches EPSS scores to provide comprehensive vulnerability information.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for EPSS

The EPSS tool retrieves detailed vulnerability data from the NVD API, including descriptions, CWEs, and CVSS scores, along with EPSS scores and percentiles from the EPSS server.

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