cisa-cybersecurity-mcp-server

What this does

cisa-cybersecurity-mcp-server exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.

Requirements

This server declares the following environment variables. Set only the ones the maker requires for your setup; this listing does not flag any of them as required:

CISA_CLAMP_OVERSIZED_INPUTS
MCP_LOG_LEVEL
CISA_KEV_REFRESH_CRON
CISA_CSAF_MIRROR_PATH
CISA_CSAF_MIRROR_AUTO_INIT
CISA_CSAF_REFRESH_CRON
CISA_VULNRICHMENT_CACHE_TTL_SECONDS
CISA_FEED_CACHE_TTL_SECONDS
CISA_HTTP_TIMEOUT_MS

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

How do I install cisa-cybersecurity-mcp-server?

Run the Claude Code command in the install section to add cisa-cybersecurity-mcp-server to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.

Which clients work with cisa-cybersecurity-mcp-server?

This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to cisa-cybersecurity-mcp-server as well.

Does cisa-cybersecurity-mcp-server need an API key?

This listing does not flag an API key as required. The server can use these environment variables: CISA_CLAMP_OVERSIZED_INPUTS, MCP_LOG_LEVEL, CISA_KEV_REFRESH_CRON, CISA_CSAF_MIRROR_PATH, CISA_CSAF_MIRROR_AUTO_INIT, CISA_CSAF_REFRESH_CRON, CISA_VULNRICHMENT_CACHE_TTL_SECONDS, CISA_FEED_CACHE_TTL_SECONDS, CISA_HTTP_TIMEOUT_MS; the maker's docs say which of them your setup needs. They go in the env block of your MCP config.