diff --git a/Cargo.toml b/Cargo.toml
index f3acaec..9e6d46e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,9 @@ version = "0.1.0"
 authors = ["Tony Garnock-Jones <tonyg@leastfixedpoint.com>"]
 edition = "2018"
 
+[lib]
+name = "syndicate"
+
 [dependencies]
 preserves = "0.3.1"
 
diff --git a/src/main.rs b/src/bin/syndicate-server.rs
similarity index 58%
rename from src/main.rs
rename to src/bin/syndicate-server.rs
index f699284..2785bad 100644
--- a/src/main.rs
+++ b/src/bin/syndicate-server.rs
@@ -1,35 +1,8 @@
-#![recursion_limit="512"]
+use syndicate::{peer, spaces};
 
-mod bag;
-mod dataspace;
-mod packets;
-mod peer;
-mod skeleton;
-mod spaces;
-
-use preserves::value;
 use std::sync::{Mutex, Arc};
 use tokio::net::TcpListener;
 
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub enum Syndicate {
-    Placeholder(usize),
-}
-
-impl value::Domain for Syndicate {}
-
-static NEXT_PLACEHOLDER: AtomicUsize = AtomicUsize::new(0);
-impl Syndicate {
-    pub fn new_placeholder() -> Self {
-        Self::Placeholder(NEXT_PLACEHOLDER.fetch_add(1, Ordering::SeqCst))
-    }
-}
-
-pub type ConnId = u64;
-pub type V = value::ArcValue<Syndicate>;
-
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let spaces = Arc::new(Mutex::new(spaces::Spaces::new()));
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..3f8aa48
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,29 @@
+#![recursion_limit="512"]
+
+pub mod bag;
+pub mod dataspace;
+pub mod packets;
+pub mod peer;
+pub mod skeleton;
+pub mod spaces;
+
+pub use preserves::value;
+
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub enum Syndicate {
+    Placeholder(usize),
+}
+
+impl value::Domain for Syndicate {}
+
+static NEXT_PLACEHOLDER: AtomicUsize = AtomicUsize::new(0);
+impl Syndicate {
+    pub fn new_placeholder() -> Self {
+        Self::Placeholder(NEXT_PLACEHOLDER.fetch_add(1, Ordering::SeqCst))
+    }
+}
+
+pub type ConnId = u64;
+pub type V = value::ArcValue<Syndicate>;