Whisper MCP server

whisper

Give your agent a real, routable Whisper IPv6 identity - one command.

whisper is the command-line client for Whisper: a single static binary that gives an agent a real, routable IPv6 /128 on AS219419, wires egress so the agent's traffic sources from that address, and verifies it end-to-end. The address is the identity - DNSSEC-signed, DANE-pinned, and resolvable in public RDAP. One binary, standard ports, no config to get started.

It is two surfaces over one core: a fully scriptable Cobra CLI, and a full-screen Bubble Tea TUI when you run whisper on a terminal with no subcommand. And it talks to the whisper.security graph: whisper query for raw Cypher, whisper graph for the 29-recipe catalog (below).

Install

The one-liner fetches the signed binary straight from this repo's GitHub Releases, verifies its SHA-256 (and its PGP signature when gpg is present), and puts it on your PATH:

curl -fsSL https://get.whisper.online | sh

Windows (PowerShell):

irm https://get.whisper.online/install.ps1 | iex

Homebrew (macOS/Linux):

brew install whisper-sec/tap/whisper

Scoop (Windows):

scoop bucket add whisper https://github.com/whisper-sec/scoop-bucket
scoop install whisper

With Go:

go install github.com/whisper-sec/whisper-cli/cmd/whisper@latest

With mise (GitHub-release backend, no plugin):

mise use -g "github:whisper-sec/whisper-cli[exe=whisper]"

(asdf has no built-in GitHub-release backend, so on asdf use mise, or a community ubi-style plugin.)

On Debian/Ubuntu (apt) - signed repo:

curl -fsSL https://get.whisper.online/whisper.gpg | sudo tee /usr/share/keyrings/whisper.gpg >/dev/null
echo "deb [signed-by=/usr/share/keyrings/whisper.gpg] https://get.whisper.online/deb stable main" | sudo tee /etc/apt/sources.list.d/whisper.list
sudo apt update && sudo apt install whisper

On Fedora/RHEL (dnf) - signed repo:

sudo tee /etc/yum.repos.d/whisper.repo >/dev/null <<'EOF'
[whisper]
name=Whisper
baseurl=https://get.whisper.online/rpm
enabled=1
gpgcheck=1
gpgkey=https://get.whisper.online/whisper.gpg
EOF
sudo dnf install whisper

On Alpine (apk) - signed repo:

wget -qO /etc/apk/keys/whisper-apk.rsa.pub https://get.whisper.online/apk/whisper-apk.rsa.pub
echo "https://get.whisper.online/apk" | sudo tee -a /etc/apk/repositories
sudo apk add whisper

All three repos are served from our own infrastructure (AS219419) and signed with the Whisper package key (get.whisper.online/whisper.gpg; the apk repo uses its own whisper-apk.rsa.pub).

Or download the binary for your platform from the Releases page, make it executable, and put it on your PATH.

The installers (scripts/install.sh, scripts/install.ps1) are published here so the

whole install path is inspectable. They are the same scripts get.whisper.online serves,

differing only in where they download from by default: these fetch

whisper-- (plus .sha256 and .asc) from this repo's releases, the served

copy fetches the same binaries from cli.whisper.online/dl. Either way SHA-256 is a hard

gate - a mismatch aborts the install - and the PGP check is an extra layer. Point

WHISPERCLIBASE at any mirror to override the source.

Verify the download

Releases are signed with the AS219419 PGP key:

Fingerprint: EFF1663D992539682106A5EAD0F70908CF3B7929

The public key is published at . To verify a binary you downloaded manually:

# 1. SHA-256 - compare against the asset's .sha256 (and the release checksums.txt)
sha256sum -c whisper-linux-amd64.sha256

Shortened. The full README is on GitHub.