You need a WhisperGraph API key. Get one either:
whisper-graph-mcp is an MCP project maintained in the whisper-sec/whisper-graph-mcp repository. The maintainer describes its purpose as “You need a WhisperGraph API key. Get one either”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://mcp.whisper.security. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| query | Execute a Cypher query against WhisperGraph. Validated against a safety rule set before it reaches the backend. |
| list_labels | List every node label with counts. Call it before writing a query when you're unsure which label to anchor on. |
| describe_label | Confirm a label exists and enumerate its property keys. |
| explain_indicator | Threat assessment for an IP, hostname, CIDR, or ASN - score, level, factors, sources. |
| whisper_history | Historical WHOIS or BGP data for an indicator. |
| domain_variants | Typosquatting / brand-protection variants of a domain, checked against the graph. |
| list_recipes | List the full whisper.security catalog of ready-made recipes (see below). |
| run_recipe | Run any catalog recipe by slug - a keyless direct procedure or a keyed multi-step flow. |
{
"mcpServers": {
"whisper": {
"url": "https://mcp.whisper.security",
"headers": {
"Authorization": "YOUR_AUTHORIZATION"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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