CISA Cybersecurity MCP

This community MCP server provides access to CISA's vulnerability data, including the Known Exploited Vulnerabilities catalog with remediation deadlines, SSVC decision points, and ICS advisories. It allows agents to check CVEs against KEV, search advisories, and compute timelines without requiring an API key.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by cyanheads

Vendor documentation

What you can do with it

Check up to 200 CVE IDs against KEV for deadlines and overdue status
Search KEV by vendor, product, CWE, or directive
Fetch SSVC decision points and compute BOD 26-04 timelines
Search and read ICS advisories by vendor, product, or CVE

Source and maintenance

Community listingRegistry 0.3.2

mcp-registry: io.github.cyanheads/cisa-cybersecurity-mcp-server@0.3.2 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@cyanheads/cisa-cybersecurity-mcp-server 0.3.2

npmnpx

@cyanheads/cisa-cybersecurity-mcp-server package definition

{
  "version": "0.3.2",
  "transport": "stdio",
  "identifier": "@cyanheads/cisa-cybersecurity-mcp-server",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "MCP_LOG_LEVEL",
      "format": "string",
      "default": "info",
      "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
    },
    {
      "name": "CISA_KEV_REFRESH_CRON",
      "format": "string",
      "default": "*/30 * * * *",
      "description": "Cron expression for the KEV catalog conditional-refresh poll, on every transport. Set off to disable it; an invalid expression fails startup."
    },
    {
      "name": "CISA_CSAF_MIRROR_PATH",
      "format": "string",
      "description": "Filesystem path to the local SQLite index of ICS advisories. Unset, it is csaf.sqlite3 under cisa-cybersecurity-mcp-server in the per-user cache directory: ~/Library/Caches on macOS, $XDG_CACHE_HOME or ~/.cache on Linux, %LOCALAPPDATA% on Windows."
    },
    {
      "name": "CISA_CSAF_MIRROR_AUTO_INIT",
      "format": "string",
      "default": "true",
      "description": "Seed the ICS advisory index in the background at startup when it has never completed a sync, and re-ingest it in place when an older server version built it. Accepts true or false; set false where seeding runs out of band."
    },
    {
      "name": "CISA_CSAF_REFRESH_CRON",
      "format": "string",
      "default": "17 */6 * * *",
      "description": "Cron expression for the incremental ICS advisory refresh, on every transport; the refresh also runs once at startup. Set off to disable both; an invalid expression fails startup."
    },
    {
      "name": "CISA_VULNRICHMENT_CACHE_TTL_SECONDS",
      "format": "string",
      "default": "21600",
      "description": "Seconds a fetched SSVC record stays cached. Negative results use one sixth of this value."
    },
    {
      "name": "CISA_FEED_CACHE_TTL_SECONDS",
      "format": "string",
      "default": "900",
      "description": "Seconds a parsed RSS feed window stays cached."
    },
    {
      "name": "CISA_HTTP_TIMEOUT_MS",
      "format": "string",
      "default": "30000",
      "description": "Per-request timeout in milliseconds for every upstream fetch."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "cisa-cybersecurity-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/cisa-cybersecurity-mcp-server@0.3.2"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>",
        "CISA_KEV_REFRESH_CRON": "<YOUR_CISA_KEV_REFRESH_CRON>",
        "CISA_CSAF_MIRROR_PATH": "<YOUR_CISA_CSAF_MIRROR_PATH>",
        "CISA_CSAF_MIRROR_AUTO_INIT": "<YOUR_CISA_CSAF_MIRROR_AUTO_INIT>",
        "CISA_CSAF_REFRESH_CRON": "<YOUR_CISA_CSAF_REFRESH_CRON>",
        "CISA_VULNRICHMENT_CACHE_TTL_SECONDS": "<YOUR_CISA_VULNRICHMENT_CACHE_TTL_SECONDS>",
        "CISA_FEED_CACHE_TTL_SECONDS": "<YOUR_CISA_FEED_CACHE_TTL_SECONDS>",
        "CISA_HTTP_TIMEOUT_MS": "<YOUR_CISA_HTTP_TIMEOUT_MS>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "cisa-cybersecurity-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/cisa-cybersecurity-mcp-server@0.3.2"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>",
        "CISA_KEV_REFRESH_CRON": "<YOUR_CISA_KEV_REFRESH_CRON>",
        "CISA_CSAF_MIRROR_PATH": "<YOUR_CISA_CSAF_MIRROR_PATH>",
        "CISA_CSAF_MIRROR_AUTO_INIT": "<YOUR_CISA_CSAF_MIRROR_AUTO_INIT>",
        "CISA_CSAF_REFRESH_CRON": "<YOUR_CISA_CSAF_REFRESH_CRON>",
        "CISA_VULNRICHMENT_CACHE_TTL_SECONDS": "<YOUR_CISA_VULNRICHMENT_CACHE_TTL_SECONDS>",
        "CISA_FEED_CACHE_TTL_SECONDS": "<YOUR_CISA_FEED_CACHE_TTL_SECONDS>",
        "CISA_HTTP_TIMEOUT_MS": "<YOUR_CISA_HTTP_TIMEOUT_MS>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "cisa-cybersecurity-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/cisa-cybersecurity-mcp-server@0.3.2"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>",
        "CISA_KEV_REFRESH_CRON": "<YOUR_CISA_KEV_REFRESH_CRON>",
        "CISA_CSAF_MIRROR_PATH": "<YOUR_CISA_CSAF_MIRROR_PATH>",
        "CISA_CSAF_MIRROR_AUTO_INIT": "<YOUR_CISA_CSAF_MIRROR_AUTO_INIT>",
        "CISA_CSAF_REFRESH_CRON": "<YOUR_CISA_CSAF_REFRESH_CRON>",
        "CISA_VULNRICHMENT_CACHE_TTL_SECONDS": "<YOUR_CISA_VULNRICHMENT_CACHE_TTL_SECONDS>",
        "CISA_FEED_CACHE_TTL_SECONDS": "<YOUR_CISA_FEED_CACHE_TTL_SECONDS>",
        "CISA_HTTP_TIMEOUT_MS": "<YOUR_CISA_HTTP_TIMEOUT_MS>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "cisa-cybersecurity-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/cisa-cybersecurity-mcp-server@0.3.2"
      ],
      "env": {
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>",
        "CISA_KEV_REFRESH_CRON": "<YOUR_CISA_KEV_REFRESH_CRON>",
        "CISA_CSAF_MIRROR_PATH": "<YOUR_CISA_CSAF_MIRROR_PATH>",
        "CISA_CSAF_MIRROR_AUTO_INIT": "<YOUR_CISA_CSAF_MIRROR_AUTO_INIT>",
        "CISA_CSAF_REFRESH_CRON": "<YOUR_CISA_CSAF_REFRESH_CRON>",
        "CISA_VULNRICHMENT_CACHE_TTL_SECONDS": "<YOUR_CISA_VULNRICHMENT_CACHE_TTL_SECONDS>",
        "CISA_FEED_CACHE_TTL_SECONDS": "<YOUR_CISA_FEED_CACHE_TTL_SECONDS>",
        "CISA_HTTP_TIMEOUT_MS": "<YOUR_CISA_HTTP_TIMEOUT_MS>"
      }
    }
  }
}

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