Security grades for MCP servers and npm/PyPI packages, ranked by CISA KEV and EPSS.
Connect Remote server
claude mcp add --transport http vulnrable https://vulnrable.com/api/mcp
{
"mcpServers": {
"vulnrable": {
"url": "https://vulnrable.com/api/mcp"
}
}
}
{
"servers": {
"vulnrable": {
"type": "http",
"url": "https://vulnrable.com/api/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://vulnrable.com/api/mcp
Tools 4 found in our last check
check_packageSecurity assessment of one npm or PyPI package: letter grade, findings, known vulnerabilities, deprecation status, and — for MCP servers in our directory — the real resolved dependency count. Use before recommending or installing a package.
list_mcp_serversThe MCP server directory with real resolved dependency counts. Use when recommending an MCP server, or to compare how much third-party code candidates pull into the agent. For a graded security assessment of one server, call check_package.
check_cveDetails for one CVE or GHSA identifier, including whether CISA lists it as actively exploited (KEV) and its EPSS exploitation probability. Use to judge real-world urgency.
latest_vulnsRecently published vulnerabilities from the tracked pool, ranked KEV-first then by EPSS. Use for "what should I worry about this week".
Details
| Endpoint | https://vulnrable.com/api/mcp (Streamable HTTP) |
| First published | 7 Oct 2026 |
| Last updated | 7 Oct 2026 |
| Registry name | com.vulnrable/vulnrable |
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