Whisper Graph MCP Server

Open-source MCP server for WhisperGraph - query the internet's infrastructure & threat-intel graph (DNS, BGP, GeoIP, WHOIS) via Cypher.

Remote serverstreamable-http

What is the Whisper Graph MCP Server?

Open-source MCP server for WhisperGraph - query the internet's infrastructure & threat-intel graph (DNS, BGP, GeoIP, WHOIS) via Cypher.

What you get

The internet's infrastructure graph for AI agents - 46B nodes and edges mapping DNS, IPs, ASNs, BGP, WHOIS, Web links and threat intel. Sign up programmatically in 2 HTTP calls.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
queryExecute a Cypher query against WhisperGraph. Validated against a safety rule set before it reaches the backend.
list_labelsList every node label with counts. Call it before writing a query when you're unsure which label to anchor on.
describe_labelConfirm a label exists and enumerate its property keys.
explain_indicatorThreat assessment for an IP, hostname, CIDR, or ASN - score, level, factors, sources.
whisper_historyHistorical WHOIS or BGP data for an indicator.
domain_variantsTyposquatting / brand-protection variants of a domain, checked against the graph.
list_recipesList the full whisper.security catalog of ready-made recipes (see below).
run_recipeRun any catalog recipe by slug - a keyless direct procedure or a keyed multi-step flow.

How to install the Whisper Graph MCP Server

{
  "mcpServers": {
    "whisper": {
      "url": "https://mcp.whisper.security",
      "headers": { "Authorization": "Bearer <your_api_key>" }
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

VariableDescriptionRequired
WHISPER_API_KEYCredential the server authenticates with.Yes
HTTP_HOSTEndpoint or connection string the server talks to.Optional
WHISPER_DB_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • “Use Whisper Graph MCP to query.”
  • “Use Whisper Graph MCP to list labels.”
  • “Use Whisper Graph MCP to describe label.”

Frequently asked questions

Open-source MCP server for WhisperGraph - query the internet's infrastructure & threat-intel graph (DNS, BGP, GeoIP, WHOIS) via Cypher. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.