diff --git a/agent/Cargo.toml b/agent/Cargo.toml
new file mode 100644
index 0000000..db8b2f8
--- /dev/null
+++ b/agent/Cargo.toml
@@ -0,0 +1,49 @@
+[package]
+name = "butterfly-agent"
+version = "0.1.0"
+edition = "2021"
+description = "Butterfly Desktop Agent — captures display/audio from a VM and forwards HUD commands (mouse/keyboard)"
+
+[dependencies]
+# Async runtime
+tokio = { version = "1", features = ["full"] }
+
+# WebSocket client
+tokio-tungstenite = { version = "0.24", features = ["connect"] }
+futures-util = "0.3"
+
+# Screen capture (cross-platform: DXGI on Windows, X11 on Linux, CG on macOS)
+scrap = "0.5"
+
+# Input simulation (cross-platform mouse/keyboard injection)
+enigo = "0.2"
+
+# Image encoding (BGRA → JPEG)
+image = "0.25"
+
+# Base64 encoding for frame data
+base64 = "0.22"
+
+# Serialization
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+
+# CLI argument parsing
+clap = { version = "4", features = ["derive"] }
+
+# Logging
+log = "0.4"
+env_logger = "0.11"
+
+# UUID for agent identification
+uuid = { version = "1", features = ["v4"] }
+
+# Error handling
+anyhow = "1"
+
+# Audio capture (future use)
+# cpal = "0.15"
+
+[profile.release]
+opt-level = 3
+lto = true