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Whisper

One routable IPv6 per AI agent, verifiable from the DNS root.

Connector by whisper-sec · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)Remote (HTTP)★ 3
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Install

Works with Claude Code, VS Code, Codex, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/whisper-sec-whisper

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://whisper.online/mcp Remote (HTTP)

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About

One routable IPv6 per AI agent, verifiable from the DNS root. Keyless tools need no signup.

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
15 read · 2 write · 0 delete
Secrets
None asked for
Install scripts
None found
Runs as
Node.js package

Tools by what they do 17

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 15 · Look things up without changing anything.

  • whisper_assess
  • whisper_asset
  • whisper_explain
  • whisper_history
  • whisper_identify
  • whisper_lookupTlsFingerprint
  • whisper_lookupTorRelay
  • whisper_origins
  • whisper_psl
  • whisper_rdap
  • whisper_threatintel
  • whisper_topAsnsByPrefixCount
Show 3 more tools
  • whisper_variants
  • whisper_verify
  • whisper_walk

Write 2 · Create, change, send or run things.

  • whisper_signup
  • whisper_watch

Network hosts it talks to 33

  • ::1 · found in code
  • agents.whisper.online · found in code
  • api.openai.com · found in code
  • api.tailscale.com · found in code
  • api64.ipify.org · found in code
  • apple.com · found in code
  • as219419.net · found in code
  • cli.whisper.online · found in code
  • console.test · found in code
  • console.whisper.online · found in code
  • console.whisper.security · found in code
  • db-01.acme.agents.whisper.online · found in code
  • db.internal · found in code
  • docs.example.test · found in code
  • doh.whisper.online · found in code
  • echo-target.invalid · found in code
  • echo.invalid · found in code
  • egress.whisper.online · found in code
  • elsewhere.invalid · found in code
  • endpoint.whisper.online · found in code
  • example.internal · found in code
  • example.invalid · found in code
  • get.whisper.online · found in code
  • github.com · found in code
  • graph.whisper.online · found in code
  • mcp.whisper.security · found in code
  • ns1.whisper.online · found in code
  • ns2.whisper.online · found in code
  • rdap.whisper.online · found in code
  • reach-target.invalid · found in code
Show 3 more hosts
  • resolver.whisper.online · found in code
  • whisper.online · found in remote endpoint, install command, code
  • whisper.security · found in code

Files it touches

  • /dev/tcp/127.0.0.1/53
  • /etc/dnscrypt-proxy/whisper-dns.toml
  • /etc/resolv.conf
  • /etc/resolv.conf.whisper-backup
  • /etc/systemd/resolved.conf.d/whisper-resolver.conf
  • /etc/systemd/system/whisper-dns.service
  • /etc/whisper/key
  • /etc/whisper/policy.json
  • /etc/x
  • /home/alice/latest.testing
  • /home/user/projects/alpha
  • /home/user/projects/beta
  • /home/x
  • /opt/whisper
  • /opt/whisper/whisper.exe
  • /tmp/go-build3121740254/b001/cli.test
  • /tmp/not-a-bundle
  • /tmp/proj/busy
  • /tmp/proj/congested
  • /tmp/proj/whatever
  • /tmp/x
  • /Users/someone
  • /Users/someone/Applications
  • /Users/someone/tools
  • /usr/sbin/dnscrypt-proxy
  • /usr/sbin/networksetup
  • /var/run
  • /var/www
  • Your home directory (~)
  • ~/.codeium/windsurf/mcp_config.json
  • ~/.cursor/mcp.json
  • C:\\ProgramData\\Whisper\\key

Tools (17)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • whisper_assessassessread-only

    Assess the risk/policy posture of one or more indicators. Answers without an API key. Example call: {"skill":"assess","input":"example.com"}

  • whisper_assetassetread-only

    Resolve an asset and its catalog of attributes. Answers without an API key. Example call: {"skill":"asset","input":"example.com"}

  • whisper_explainexplainread-only

    Explain a verdict - the evidence and reasoning behind it. Answers without an API key. Example call: {"skill":"explain","input":"example.com"}

  • whisper_historyhistoryread-only

    Historical records for an indicator (incl. whois/bgp history). Answers without an API key. Example call: {"skill":"history","input":"example.com"}

  • whisper_identifyidentifyread-only

    Identify an indicator (domain, IP, hash, …) against the graph. Answers without an API key. Example call: {"skill":"identify","input":"example.com"}

  • whisper_lookupTlsFingerprintlookupTlsFingerprintread-only

    Look up a TLS (JA3/JA4) fingerprint in the graph. Answers without an API key. Example call: {"skill":"lookupTlsFingerprint","input":"ja3:771,4865-4866-4867"}

  • whisper_lookupTorRelaylookupTorRelayread-only

    Look up Tor relay metadata for an address. Answers without an API key. Example call: {"skill":"lookupTorRelay","input":"185.220.101.1"}

  • whisper_originsoriginsread-only

    Trace the origins/provenance of an indicator. Answers without an API key. Example call: {"skill":"origins","input":"example.com"}

  • whisper_pslpslread-only

    Public-suffix-list family (tld-plus-one, is-public-suffix, affiliation). A family verb: name the sub-verb as "sub" alongside the input. Sub-verbs: tldPlusOne, isPublicSuffix, affiliation.. Answers without an API key. Example call: {"skill":"psl","sub":"tldPlusOne","input":"a.b.example.co.uk"}

  • whisper_rdapLook up an address in RDAPread-only

    The public registration record for any address in Whisper's space, in RFC 9083 form: the handle, the agent's label, its country, and the entities behind it. The same document the RDAP service serves at /ip/{address}, which any RDAP client can already read. Answers without an API key. Example call: {"skill":"rdap","input":"2a04:2a01:b69a:6717:e3b0:51ff:3bf7:f478"}

  • whisper_signupGet a Whisper API key

    Start or complete Whisper signup from an email address alone, and receive an API key that unlocks the provisioning and governance skills on this card. Send {"email":"..."} to start; a six-digit code arrives by email; send {"signup_id":"...","code":"123456"} to complete. No human step, no account needed first. Example call: {"skill":"signup","input":{"email":"agent@example.com"}}

  • whisper_threatintelthreatintelread-only

    Threat-intelligence indicator family (candidate apex/CDN/hosting). A family verb: name the sub-verb as "sub" alongside the input. Sub-verbs: candidateCdnApex, candidateMultiTenantApex, candidateSharedHostingIp.. Answers without an API key. Example call: {"skill":"threatintel","sub":"candidateCdnApex","input":5}

  • whisper_topAsnsByPrefixCounttopAsnsByPrefixCountread-only

    Top ASNs ranked by announced-prefix count. Answers without an API key. Example call: {"skill":"topAsnsByPrefixCount","input":10}

  • whisper_variantsvariantsread-only

    Enumerate variants/permutations of an indicator. Answers without an API key. Example call: {"skill":"variants","input":"example.com"}

  • whisper_verifyVerify a Whisper agent identityread-only

    Is this IPv6 address or hostname a real Whisper agent, and whose? Grades the full keyless trust chain: the reverse DNS record, the forward AAAA confirming it back to the same address, and the DANE-EE certificate pin published in DNSSEC-signed DNS. Returns is_whisper_agent with the evidence for the verdict either way, so a negative answer is an answer and not an error. Answers without an API key, and every leg of it is independently checkable from the DNS root with dig. Example call: {"skill":"verify","input":"2a04:2a01:b69a:6717:e3b0:51ff:3bf7:f478"}

Show 2 more tools
  • whisper_walkwalkread-only

    Walk the graph from an indicator across its relationships. Answers without an API key. Example call: {"skill":"walk","input":"example.com"}

  • whisper_watchwatch

    Watch an indicator for change/activity over time. Answers without an API key. Example call: {"skill":"watch","input":{"action":"list"}}

Compare and alternatives

    Featured in

    Signals

    Stars
    3
    Forks
    0
    Open issues
    7
    Last commit
    Oct 21, 2026 (7 days ago)
    Last release
    Oct 24, 2026 (4 days ago)

    From GitHub (fetched Oct 24, 2026).

    Details

    Registry name
    io.github.whisper-sec/whisper
    Version
    0.222.0
    Auth
    Auth not stated
    Packages
    npm @whisper-security/whisper-mcpoci ghcr.io/whisper-sec/whisper:0.222.0
    License
    MIT
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026

    More from whisper-sec

    Cite this page

    Whisper MCP server. Agent Mart. https://agentmart.dev/connectors/whisper-sec-whisper (last updated 2026-10-24)