diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 04d5a908..bcd8e148 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,7 +8,7 @@ Thanks for wanting to contribute! This guide exists to save both of us time.
 
 Using AI to write code is fine. You can gain understanding by interrogating an agent with access to the codebase until you grasp all edge cases and effects of your changes. What's not fine is submitting agent-generated slop without that understanding.
 
-If you use an agent, run it from the `co-mono` root directory so it picks up `AGENTS.md` automatically. Your agent must follow the rules and guidelines in that file.
+If you use an agent, run it from the `pi` root directory so it picks up `AGENTS.md` automatically. Your agent must follow the rules and guidelines in that file.
 
 ## First-Time Contributors
 
@@ -35,7 +35,7 @@ If you're adding a new provider to `packages/ai`, see `AGENTS.md` for required t
 
 ## Philosophy
 
-co-mono's core is minimal. If your feature doesn't belong in the core, it should be an extension. PRs that bloat the core will likely be rejected.
+pi's core is minimal. If your feature doesn't belong in the core, it should be an extension. PRs that bloat the core will likely be rejected.
 
 ## Questions?
 
diff --git a/README.md b/README.md
index 0cd5544a..6ff8c7e1 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
   <a href="https://exe.dev"><img src="packages/coding-agent/docs/images/exy.png" alt="Exy mascot" width="48" /><br />exe.dev</a>
 </p>
 
-# Co-Mono
+# pi
 
 > **Looking for the pi coding agent?** See **[packages/coding-agent](packages/coding-agent)** for installation and usage.
 
@@ -53,10 +53,10 @@ curl -fsSL https://raw.githubusercontent.com/getcompanion-ai/co-mono/main/public
 
 This installer:
 - Downloads the latest release (or falls back to source when needed),
-- writes `~/.local/bin/co-mono` launcher,
-- populates `~/.co-mono/agent/settings.json` with package list,
+- writes `~/.local/bin/pi` launcher,
+- populates `~/.pi/agent/settings.json` with package list,
 - installs packages (if `npm` is available),
-- and can install a user systemd service for `co-mono daemon` so it stays alive.
+- and can install a user systemd service for `pi gateway` so it stays alive.
 
 Preinstalled package sources are:
 
@@ -73,7 +73,7 @@ If `npm` is available, it also installs these packages during install.
 If no release asset is found, the installer falls back to source.
 
 ```bash
-CO_MONO_FALLBACK_TO_SOURCE=0 \
+PI_FALLBACK_TO_SOURCE=0 \
   curl -fsSL https://raw.githubusercontent.com/getcompanion-ai/co-mono/main/public-install.sh | bash -s -- --daemon --start
 ```
 
@@ -94,27 +94,26 @@ cd co-mono
 Run:
 
 ```bash
-./co-mono
+./pi
 ```
 
 Run in background with extensions active:
 
 ```bash
-./co-mono daemon
+./pi gateway
 ```
 
-For a user systemd setup, create `~/.config/systemd/user/co-mono.service` with:
+For a user systemd setup, create `~/.config/systemd/user/pi.service` with:
 
 ```ini
 [Unit]
-Description=co-mono
+Description=pi gateway
 After=network-online.target
 
 [Service]
 Type=simple
-Environment=PI_CODING_AGENT_DIR=%h/.co-mono/agent
-Environment=CO_MONO_AGENT_DIR=%h/.co-mono/agent
-ExecStart=/absolute/path/to/repo/co-mono daemon
+Environment=PI_CODING_AGENT_DIR=%h/.pi/agent
+ExecStart=/absolute/path/to/repo/pi gateway
 Restart=always
 RestartSec=5
 
@@ -126,7 +125,7 @@ Then enable:
 
 ```bash
 systemctl --user daemon-reload
-systemctl --user enable --now co-mono
+systemctl --user enable --now pi
 ```
 
 Optional:
diff --git a/install.sh b/install.sh
index e9228473..aa433e5a 100755
--- a/install.sh
+++ b/install.sh
@@ -24,12 +24,12 @@ need npm
 
 cd "$ROOT_DIR"
 
-if [[ "${CO_MONO_SKIP_INSTALL:-0}" != "1" ]]; then
+if [[ "${PI_SKIP_INSTALL:-${CO_MONO_SKIP_INSTALL:-0}}" != "1" ]]; then
   log "Installing workspace dependencies"
   npm install
 fi
 
-if [[ "${CO_MONO_SKIP_BUILD:-0}" != "1" ]]; then
+if [[ "${PI_SKIP_BUILD:-${CO_MONO_SKIP_BUILD:-0}}" != "1" ]]; then
   log "Building core packages"
   BUILD_FAILED=0
   for pkg in packages/tui packages/ai packages/agent packages/coding-agent; do
@@ -46,7 +46,7 @@ if [[ "$BUILD_FAILED" == "1" ]] && [[ ! -f "$ROOT_DIR/packages/coding-agent/src/
 	fail "No usable coding-agent CLI source found for source launch fallback."
 fi
 
-LAUNCHER="$ROOT_DIR/co-mono"
+LAUNCHER="$ROOT_DIR/pi"
 cat > "$LAUNCHER" <<'EOF'
 #!/usr/bin/env bash
 
@@ -66,10 +66,10 @@ if [[ -x "$ROOT_DIR/node_modules/.bin/tsx" ]] && [[ -f "$ROOT_DIR/packages/codin
   exec "$ROOT_DIR/node_modules/.bin/tsx" "$ROOT_DIR/packages/coding-agent/src/cli.ts" "$@"
 fi
 
-echo "ERROR: no runnable co-mono binary found and tsx fallback is unavailable." >&2
+echo "ERROR: no runnable pi binary found and tsx fallback is unavailable." >&2
 exit 1
 EOF
 
 chmod +x "$LAUNCHER"
 log "Created launcher: $LAUNCHER"
-log "Run with: ./co-mono"
+log "Run with: ./pi"
diff --git a/package-lock.json b/package-lock.json
index f97ee66e..0b7d0afd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
-	"name": "co-mono",
+	"name": "pi",
 	"version": "0.0.3",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
-			"name": "co-mono",
+			"name": "pi",
 			"version": "0.0.3",
 			"workspaces": [
 				"packages/*",
diff --git a/package.json b/package.json
index 7e6fb2ed..4bc4e7f5 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-	"name": "co-mono",
+	"name": "pi",
 	"private": true,
 	"type": "module",
 	"homepage": "https://github.com/getcompanion-ai/co-mono#readme",
diff --git a/pi-mono.code-workspace b/pi-mono.code-workspace
index be450829..e60fb88f 100644
--- a/pi-mono.code-workspace
+++ b/pi-mono.code-workspace
@@ -1,7 +1,7 @@
 {
 	"folders": [
 		{
-			"name": "co-mono",
+			"name": "pi",
 			"path": "."
 		},
 		{
diff --git a/public-install.sh b/public-install.sh
index c22f98a6..03e2426b 100755
--- a/public-install.sh
+++ b/public-install.sh
@@ -3,18 +3,18 @@
 set -euo pipefail
 
 # Defaults
-REPO="${CO_MONO_REPO:-getcompanion-ai/co-mono}"
-VERSION="${CO_MONO_VERSION:-latest}"
-INSTALL_DIR="${CO_MONO_INSTALL_DIR:-$HOME/.co-mono}"
-BIN_DIR="${CO_MONO_BIN_DIR:-$HOME/.local/bin}"
-AGENT_DIR="${CO_MONO_AGENT_DIR:-$INSTALL_DIR/agent}"
-SERVICE_NAME="${CO_MONO_SERVICE_NAME:-co-mono}"
-FALLBACK_TO_SOURCE="${CO_MONO_FALLBACK_TO_SOURCE:-1}"
-SKIP_REINSTALL="${CO_MONO_SKIP_REINSTALL:-0}"
-RUN_INSTALL_PACKAGES="${CO_MONO_INSTALL_PACKAGES:-1}"
-SETUP_DAEMON="${CO_MONO_SETUP_DAEMON:-0}"
-START_DAEMON="${CO_MONO_START_DAEMON:-0}"
-SKIP_SERVICE="${CO_MONO_SKIP_SERVICE:-0}"
+REPO="${PI_REPO:-${CO_MONO_REPO:-getcompanion-ai/co-mono}}"
+VERSION="${PI_VERSION:-${CO_MONO_VERSION:-latest}}"
+INSTALL_DIR="${PI_INSTALL_DIR:-${CO_MONO_INSTALL_DIR:-$HOME/.pi}}"
+BIN_DIR="${PI_BIN_DIR:-${CO_MONO_BIN_DIR:-$HOME/.local/bin}}"
+AGENT_DIR="${PI_AGENT_DIR:-${CO_MONO_AGENT_DIR:-$INSTALL_DIR/agent}}"
+SERVICE_NAME="${PI_SERVICE_NAME:-${CO_MONO_SERVICE_NAME:-pi}}"
+FALLBACK_TO_SOURCE="${PI_FALLBACK_TO_SOURCE:-${CO_MONO_FALLBACK_TO_SOURCE:-1}}"
+SKIP_REINSTALL="${PI_SKIP_REINSTALL:-${CO_MONO_SKIP_REINSTALL:-0}}"
+RUN_INSTALL_PACKAGES="${PI_INSTALL_PACKAGES:-${CO_MONO_INSTALL_PACKAGES:-1}}"
+SETUP_DAEMON="${PI_SETUP_DAEMON:-${CO_MONO_SETUP_DAEMON:-0}}"
+START_DAEMON="${PI_START_DAEMON:-${CO_MONO_START_DAEMON:-0}}"
+SKIP_SERVICE="${PI_SKIP_SERVICE:-${CO_MONO_SKIP_SERVICE:-0}}"
 
 DEFAULT_PACKAGES=(
   "npm:@e9n/pi-channels"
@@ -47,8 +47,8 @@ Usage:
 Options:
   --repo <owner/repo>         Override GitHub repo for install (default: getcompanion-ai/co-mono)
   --version <tag>|latest      Release tag to install (default: latest)
-  --install-dir <path>        Target directory for release contents (default: ~/.co-mono)
-  --bin-dir <path>            Directory for co-mono launcher (default: ~/.local/bin)
+  --install-dir <path>        Target directory for release contents (default: ~/.pi)
+  --bin-dir <path>            Directory for pi launcher (default: ~/.local/bin)
   --agent-dir <path>          Agent config directory (default: <install-dir>/agent)
   --package <pkg>             Add package to installation list (repeatable)
   --no-default-packages        Skip default packages list
@@ -61,11 +61,11 @@ Options:
   --help
 
 Env vars:
-  CO_MONO_INSTALL_PACKAGES=0/1
-  CO_MONO_SETUP_DAEMON=0/1
-  CO_MONO_START_DAEMON=0/1
-  CO_MONO_FALLBACK_TO_SOURCE=0/1
-  CO_MONO_SKIP_REINSTALL=1
+  PI_INSTALL_PACKAGES=0/1
+  PI_SETUP_DAEMON=0/1
+  PI_START_DAEMON=0/1
+  PI_FALLBACK_TO_SOURCE=0/1
+  PI_SKIP_REINSTALL=1
 EOF
 }
 
@@ -149,7 +149,7 @@ while [[ $# -gt 0 ]]; do
 done
 
 if [[ "$FALLBACK_TO_SOURCE" != "0" && "$FALLBACK_TO_SOURCE" != "1" ]]; then
-  fail "CO_MONO_FALLBACK_TO_SOURCE must be 0 or 1"
+  fail "PI_FALLBACK_TO_SOURCE must be 0 or 1"
 fi
 
 if [[ -d "$INSTALL_DIR" && "$SKIP_REINSTALL" != "1" ]]; then
@@ -157,7 +157,7 @@ if [[ -d "$INSTALL_DIR" && "$SKIP_REINSTALL" != "1" ]]; then
 fi
 
 if [[ -z "${SERVICE_NAME:-}" ]]; then
-  SERVICE_NAME="co-mono"
+  SERVICE_NAME="pi"
 fi
 
 download_file() {
@@ -272,8 +272,8 @@ write_launcher() {
 #!/usr/bin/env bash
 set -euo pipefail
 
-export CO_MONO_AGENT_DIR="${AGENT_DIR}"
 export PI_CODING_AGENT_DIR="${AGENT_DIR}"
+export CO_MONO_AGENT_DIR="${AGENT_DIR}"
 
 exec "${runtime_dir}" "\$@"
 EOF
@@ -330,7 +330,7 @@ install_packages() {
 
   while IFS= read -r package; do
     [[ -z "$package" ]] && continue
-    if "$BIN_DIR/co-mono" install "$package" >/dev/null 2>&1; then
+    if "$BIN_DIR/pi" install "$package" >/dev/null 2>&1; then
       log "Installed package: $package"
     else
       log "Could not install ${package} now. It will install on first run when available."
@@ -347,14 +347,14 @@ write_service_file() {
   local service_path="$HOME/.config/systemd/user/${SERVICE_NAME}.service"
   cat > "$service_path" <<EOF
 [Unit]
-Description=co-mono background agent
+Description=pi gateway
 After=network-online.target
 
 [Service]
 Type=simple
 Environment=CO_MONO_AGENT_DIR=${AGENT_DIR}
 Environment=PI_CODING_AGENT_DIR=${AGENT_DIR}
-ExecStart=${BIN_DIR}/co-mono daemon
+ExecStart=${BIN_DIR}/pi gateway
 Restart=always
 RestartSec=5
 
@@ -375,13 +375,13 @@ start_daemon_service() {
 print_next_steps() {
   echo
   log "Installed to: $INSTALL_DIR"
-  log "Launcher: $BIN_DIR/co-mono"
+  log "Launcher: $BIN_DIR/pi"
   echo
   echo "Run in terminal:"
-  echo "  co-mono"
+  echo "  pi"
   echo
   echo "Run always-on:"
-  echo "  co-mono daemon"
+  echo "  pi gateway"
   echo
   if [[ "$SETUP_DAEMON" == "1" ]] && [[ "$SKIP_SERVICE" == "0" ]]; then
     echo "Service:"
@@ -419,16 +419,16 @@ bootstrap_from_source() {
   log "Running source install"
   (
     cd "$source_dir"
-    CO_MONO_AGENT_DIR="$AGENT_DIR" \
+    PI_AGENT_DIR="$AGENT_DIR" \
     PI_CODING_AGENT_DIR="$AGENT_DIR" \
       ./install.sh
   )
 
-  if [[ ! -x "$source_dir/co-mono" ]]; then
-    fail "co-mono executable not found in source checkout."
+  if [[ ! -x "$source_dir/pi" ]]; then
+    fail "pi executable not found in source checkout."
   fi
 
-  write_launcher "$BIN_DIR/co-mono" "$source_dir/co-mono"
+  write_launcher "$BIN_DIR/pi" "$source_dir/pi"
   ensure_agent_settings
   install_packages
 }
@@ -487,8 +487,12 @@ install_from_release() {
   fi
 
   # Runtime launcher with fixed agent dir env.
-  write_launcher "$INSTALL_DIR/co-mono" "$install_binary"
-  write_launcher "$BIN_DIR/co-mono" "$INSTALL_DIR/co-mono"
+  local launcher_target="$install_binary"
+  if [[ "$install_binary" != "$INSTALL_DIR/pi" ]]; then
+    write_launcher "$INSTALL_DIR/pi" "$install_binary"
+    launcher_target="$INSTALL_DIR/pi"
+  fi
+  write_launcher "$BIN_DIR/pi" "$launcher_target"
   ensure_agent_settings
   install_packages
   rm -rf "$workdir"
diff --git a/scripts/release.mjs b/scripts/release.mjs
index 4fe40e3e..ccfb2952 100755
--- a/scripts/release.mjs
+++ b/scripts/release.mjs
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 /**
- * Release script for co-mono
+ * Release script for pi
  *
  * Usage: node scripts/release.mjs <major|minor|patch>
  *