diff --git a/Cargo.lock b/Cargo.lock
index c8b3587..fe109c6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -163,11 +163,35 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "ctor"
+version = "0.1.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d2301688392eb071b0bf1a37be05c469d3cc4dbbd95df672fe28ab021e6a096"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "dagger-codegen"
+version = "0.1.0"
+dependencies = [
+ "eyre",
+ "genco",
+ "graphql-introspection-query",
+ "itertools",
+ "pretty_assertions",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "dagger-rs"
 version = "0.1.2"
 dependencies = [
  "clap",
+ "dagger-codegen",
  "dirs",
  "eyre",
  "flate2",
@@ -185,6 +209,19 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "dagger-sdk"
+version = "0.1.0"
+dependencies = [
+ "genco",
+]
+
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "digest"
 version = "0.10.6"
@@ -672,6 +709,15 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.5"
@@ -843,6 +889,15 @@ version = "6.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
 
+[[package]]
+name = "output_vt100"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "628223faebab4e3e40667ee0b2336d34a5b960ff60ea743ddfdbcf7770bcfb66"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.2.0"
@@ -877,6 +932,18 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "pretty_assertions"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a25e9bcb20aa780fd0bb16b72403a9064d6b3f22f026946029acb941a50af755"
+dependencies = [
+ "ctor",
+ "diff",
+ "output_vt100",
+ "yansi",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.50"
@@ -1535,3 +1602,9 @@ checksum = "6d1526bbe5aaeb5eb06885f4d987bcdfa5e23187055de9b83fe00156a821fabc"
 dependencies = [
  "libc",
 ]
+
+[[package]]
+name = "yansi"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
diff --git a/Cargo.toml b/Cargo.toml
index f4df823..5117cf4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,12 @@ description = "A dagger sdk for rust, written in rust"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[workspace]
+members = ["crates/dagger-codegen", "crates/dagger-sdk"]
+
 [dependencies]
+dagger-codegen = { path = "crates/dagger-codegen" }
+
 clap = "4.1.4"
 dirs = "4.0.0"
 eyre = "0.6.8"
diff --git a/crates/dagger-codegen/src/codegen.rs b/crates/dagger-codegen/src/codegen.rs
index 32036bd..e75eebe 100644
--- a/crates/dagger-codegen/src/codegen.rs
+++ b/crates/dagger-codegen/src/codegen.rs
@@ -1,5 +1,6 @@
 use std::sync::Arc;
 
+use genco::{prelude::rust, quote, quote_in};
 use graphql_introspection_query::introspection_response::{
     FullType, IntrospectionResponse, Schema,
 };
@@ -34,8 +35,10 @@ impl CodeGeneration {
     }
 
     fn generate_from_schema(&self, schema: &Schema) -> eyre::Result<String> {
-        let mut output = String::new();
-        output.push_str("# code generated by dagger. DO NOT EDIT.");
+        let mut output = rust::Tokens::new();
+        output.append(quote! {
+            $(format!("// code generated by dagger. DO NOT EDIT."))
+        });
 
         let types = get_types(schema)?;
         //let remaining: Vec<Option<String>> = types.into_iter().map(type_name).collect();
@@ -44,12 +47,14 @@ impl CodeGeneration {
             for t in types {
                 if let Some(_) = self.type_name(&t) {
                     let rendered = handler.render(&t)?;
-                    output.push_str(&rendered)
+
+                    output.push();
+                    output.append(rendered);
                 }
             }
         }
 
-        Ok(output)
+        Ok(output.to_string()?)
     }
 
     pub fn group_by_handlers(&self, types: &Vec<&FullType>) -> Vec<(DynHandler, Vec<FullType>)> {
diff --git a/crates/dagger-codegen/src/handlers/mod.rs b/crates/dagger-codegen/src/handlers/mod.rs
index 29080cf..844f7a7 100644
--- a/crates/dagger-codegen/src/handlers/mod.rs
+++ b/crates/dagger-codegen/src/handlers/mod.rs
@@ -1,4 +1,5 @@
 pub mod scalar;
+mod utility;
 
 use std::sync::Arc;
 
@@ -11,16 +12,15 @@ pub trait Handler {
         false
     }
 
-    fn render(&self, t: &FullType) -> eyre::Result<String> {
-        let mut s = String::new();
-
-        s.push_str("\n");
-        s.push_str(self.render_struct(t)?.to_string()?.as_str());
-        s.push_str("\n");
-        s.push_str(self.render_impl(t)?.to_string()?.as_str());
-        s.push_str("\n");
-
-        Ok(s)
+    fn render(&self, t: &FullType) -> eyre::Result<rust::Tokens> {
+        let tstruct = self.render_struct(t)?;
+        let timpl = self.render_impl(t)?;
+        let mut out = rust::Tokens::new();
+        out.append(tstruct);
+        out.push();
+        out.append(timpl);
+        out.push();
+        Ok(out)
     }
 
     fn render_struct(&self, t: &FullType) -> eyre::Result<Tokens> {
@@ -74,12 +74,10 @@ mod tests {
         let res = handler.render(&t).unwrap();
 
         assert_eq!(
-            res,
-            "
-pub struct SomeName {} { }
-impl SomeName {} { }
-"
-            .to_string()
+            res.to_string().unwrap(),
+            "pub struct SomeName {} { }
+impl SomeName {} { }"
+                .to_string()
         );
     }
 }
diff --git a/crates/dagger-codegen/src/handlers/scalar.rs b/crates/dagger-codegen/src/handlers/scalar.rs
index 5c8c553..b3f0df9 100644
--- a/crates/dagger-codegen/src/handlers/scalar.rs
+++ b/crates/dagger-codegen/src/handlers/scalar.rs
@@ -1,9 +1,9 @@
-use genco::Tokens;
+use genco::{prelude::rust, quote};
 use graphql_introspection_query::introspection_response::FullType;
 
 use crate::predicates::is_custom_scalar_type;
 
-use super::Handler;
+use super::{utility::render_description, Handler};
 
 pub struct Scalar;
 
@@ -11,4 +11,30 @@ impl Handler for Scalar {
     fn predicate(&self, t: &FullType) -> bool {
         is_custom_scalar_type(t)
     }
+
+    fn render(&self, t: &FullType) -> eyre::Result<rust::Tokens> {
+        let mut out = rust::Tokens::new();
+
+        let description =
+            render_description(t).ok_or(eyre::anyhow!("could not find description"))?;
+        let tstruct = self.render_struct(t)?;
+
+        out.append(description);
+        out.push();
+        out.append(tstruct);
+
+        Ok(out)
+    }
+
+    fn render_struct(&self, t: &FullType) -> eyre::Result<genco::prelude::rust::Tokens> {
+        let name = t.name.as_ref().ok_or(eyre::anyhow!("name not found"))?;
+
+        Ok(quote! {
+            pub struct $name (Scalar);
+        })
+    }
+
+    fn render_impl(&self, t: &FullType) -> eyre::Result<genco::prelude::rust::Tokens> {
+        todo!()
+    }
 }
diff --git a/crates/dagger-codegen/src/handlers/utility.rs b/crates/dagger-codegen/src/handlers/utility.rs
new file mode 100644
index 0000000..46dc15b
--- /dev/null
+++ b/crates/dagger-codegen/src/handlers/utility.rs
@@ -0,0 +1,15 @@
+use genco::{prelude::*, quote};
+use graphql_introspection_query::introspection_response::FullType;
+
+pub fn render_description(t: &FullType) -> Option<rust::Tokens> {
+    if let Some(description) = t.description.as_ref() {
+        let lines = description.split('\n');
+        let output: rust::Tokens = quote! {
+            $(for line in lines => $(format!("\n/// {line}")))
+        };
+
+        return Some(output);
+    }
+
+    None
+}
diff --git a/crates/dagger-codegen/src/lib.rs b/crates/dagger-codegen/src/lib.rs
index 55a2b1a..9872943 100644
--- a/crates/dagger-codegen/src/lib.rs
+++ b/crates/dagger-codegen/src/lib.rs
@@ -1,4 +1,4 @@
-mod codegen;
+pub mod codegen;
 mod handlers;
 mod models;
 mod predicates;
diff --git a/src/cli_generate.rs b/src/cli_generate.rs
index 8780fe4..14696ce 100644
--- a/src/cli_generate.rs
+++ b/src/cli_generate.rs
@@ -1,4 +1,5 @@
 use clap::{Arg, ArgMatches};
+use dagger_codegen::codegen::CodeGeneration;
 
 use crate::{config::Config, engine::Engine, session::Session};
 
@@ -17,12 +18,12 @@ impl GenerateCommand {
         let session = Session::new();
         let req = session.start(&cfg, &conn)?;
         let schema = session.schema(req)?;
-        //let code = CodeGeneration::generate(&schema)?;
+        let code = CodeGeneration::new().generate(&schema)?;
 
         if let Some(output) = arg_matches.get_one::<String>("output") {
             // TODO: Write to file
         } else {
-            //println!("{}", code);
+            println!("{}", code);
         }
 
         Ok(())
diff --git a/src/lib.rs b/src/lib.rs
deleted file mode 100644
index 376eedd..0000000
--- a/src/lib.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-pub mod cli;
-mod cli_generate;
-mod cli_session;
-mod config;
-mod connect_params;
-pub mod dagger;
-mod downloader;
-mod engine;
-mod schema;
-mod session;
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..5473f75
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,22 @@
+use cli::Cli;
+
+pub mod cli;
+mod cli_generate;
+mod cli_session;
+mod config;
+mod connect_params;
+pub mod dagger;
+mod downloader;
+mod engine;
+mod schema;
+mod session;
+
+fn main() -> eyre::Result<()> {
+    let args = std::env::args();
+    let args = args.collect::<Vec<String>>();
+    let args = args.iter().map(|s| s.as_str()).collect::<Vec<&str>>();
+
+    Cli::new()?.execute(args.as_slice())?;
+
+    Ok(())
+}