diff --git a/.github/workflows/rust_test.yml b/.github/workflows/rust_test.yml
index ea8904f..af39515 100644
--- a/.github/workflows/rust_test.yml
+++ b/.github/workflows/rust_test.yml
@@ -8,7 +8,6 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
-  NO_COLOR: 1
 
 jobs:
   build:
diff --git a/Cargo.lock b/Cargo.lock
index 1985f3f..5b7898d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -960,22 +960,6 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
-[[package]]
-name = "pete"
-version = "0.1.0"
-dependencies = [
- "clap 4.5.8",
- "petr-api",
- "petr-pkg",
- "petr-profiling",
- "petr-resolve",
- "petr-typecheck",
- "stdlib",
- "termcolor",
- "thiserror",
- "toml",
-]
-
 [[package]]
 name = "petr-api"
 version = "0.1.0"
@@ -1012,6 +996,22 @@ dependencies = [
  "petr-utils",
 ]
 
+[[package]]
+name = "petr-cli"
+version = "0.1.0"
+dependencies = [
+ "clap 4.5.8",
+ "petr-api",
+ "petr-pkg",
+ "petr-profiling",
+ "petr-resolve",
+ "petr-stdlib",
+ "petr-typecheck",
+ "termcolor",
+ "thiserror",
+ "toml",
+]
+
 [[package]]
 name = "petr-codegen"
 version = "0.1.0"
@@ -1082,7 +1082,7 @@ version = "0.1.0"
 dependencies = [
  "expect-test",
  "petr-api",
- "stdlib",
+ "petr-stdlib",
  "wasm-bindgen",
 ]
 
@@ -1108,6 +1108,10 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "petr-stdlib"
+version = "0.1.0"
+
 [[package]]
 name = "petr-typecheck"
 version = "0.1.0"
@@ -1137,9 +1141,9 @@ dependencies = [
  "petr-ir",
  "petr-parse",
  "petr-resolve",
+ "petr-stdlib",
  "petr-typecheck",
  "petr-utils",
- "stdlib",
  "thiserror",
 ]
 
@@ -1292,10 +1296,6 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
-[[package]]
-name = "stdlib"
-version = "0.1.0"
-
 [[package]]
 name = "strsim"
 version = "0.8.0"
diff --git a/Cargo.toml b/Cargo.toml
index 67443ed..e4dca87 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ members = [
     "petr-parse",
     "petr-fmt",
     "petr-utils",
-    "pete",
+    "petr-cli",
     "petr-codegen",
     "petr-ast",
     "petr-typecheck",
@@ -15,5 +15,14 @@ members = [
     "petr-pkg",
     "petr-profiling", 
     "petr-api",
-    "petr-playground"
-, "stdlib"]
+    "petr-playground",
+    "petr-stdlib",
+]
+ 
+[workspace.package]
+version = "0.1.0"
+edition = "2021"
+homepage = "https://petr.sh"
+license = "MIT"
+repository = "https://github.com/sezna/petr"
+authors = ["Alex Hansen <alex@alex-hansen.com>"]
diff --git a/justfile b/justfile
index 67f4dfb..c099d8f 100644
--- a/justfile
+++ b/justfile
@@ -2,7 +2,24 @@
 alias t := test
 
 test:
-  CARGO_TERM_COLOR=always NO_COLOR=1 cargo test
+  cargo test
 
-update-expects:
-  CARGO_TERM_COLOR=always NO_COLOR=1 UPDATE_EXPECT=1 cargo test
+u-exp:
+  UPDATE_EXPECT=1 cargo test
+
+publish:
+  cargo publish -p petr-utils
+  cargo publish -p petr-ast
+  cargo publish -p petr-profiling
+  cargo publish -p petr-parse
+  cargo publish -p petr-fmt
+  cargo publish -p petr-bind
+  cargo publish -p petr-resolve
+  cargo publish -p petr-typecheck
+  cargo publish -p petr-ir
+  cargo publish -p petr-vm
+  cargo publish -p petr-codegen
+  cargo publish -p petr-pkg
+  cargo publish -p petr-api
+  cargo publish -p petr-playground
+  cargo publish -p petr-cli
diff --git a/pete/Cargo.toml b/pete/Cargo.toml
deleted file mode 100644
index 15177d0..0000000
--- a/pete/Cargo.toml
+++ /dev/null
@@ -1,18 +0,0 @@
-[package]
-name = "pete"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-clap = { version = "4.5.4", features = ["derive"] }
-petr-api = { "path" = "../petr-api", features = ["fancy", "default"]  }
-petr-profiling = { "path" = "../petr-profiling" }
-petr-resolve = { "path" = "../petr-resolve" }
-petr-typecheck = { "path" = "../petr-typecheck" }
-thiserror = "1.0"
-toml = "0.8"
-termcolor = { version = "1.4" }
-petr-pkg = { "path" = "../petr-pkg" }
-stdlib = { "path" = "../stdlib" }
diff --git a/petr-api/Cargo.toml b/petr-api/Cargo.toml
index 1b639c1..6925a15 100644
--- a/petr-api/Cargo.toml
+++ b/petr-api/Cargo.toml
@@ -1,21 +1,27 @@
 [package]
 name = "petr-api"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+description = "re-exports of useful APIs for the petr compiler"
+license.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-petr-parse = { "path" = "../petr-parse" }
-petr-utils = { "path" = "../petr-utils", optional = true }
-petr-vm = { "path" = "../petr-vm" }
-petr-ir = { "path" = "../petr-ir" }
-petr-fmt = { path = "../petr-fmt" }
-petr-typecheck = { "path" = "../petr-typecheck" }
-petr-resolve = { "path" = "../petr-resolve", optional = true }
-petr-pkg = { "path" = "../petr-pkg", optional = true }
+petr-parse = { "path" = "../petr-parse", version = "0.1.0" }
+petr-utils = { "path" = "../petr-utils", optional = true, version = "0.1.0" }
+petr-vm = { "path" = "../petr-vm", version = "0.1.0" }
+petr-ir = { "path" = "../petr-ir", version = "0.1.0" }
+petr-fmt = { path = "../petr-fmt", version = "0.1.0" }
+petr-typecheck = { "path" = "../petr-typecheck", version = "0.1.0" }
+petr-resolve = { "path" = "../petr-resolve", version = "0.1.0", optional = true }
+petr-pkg = { "path" = "../petr-pkg", version = "0.1.0", optional = true }
 termcolor = { version = "1.4", optional = true }
-petr-profiling = { path = "../petr-profiling" }
+petr-profiling = { path = "../petr-profiling", version = "0.1.0" }
 miette = { version = "5.10", optional = true }
 thiserror = "1.0"
 toml = "0.8"
diff --git a/petr-api/src/lib.rs b/petr-api/src/lib.rs
index 12140e6..aff46a6 100644
--- a/petr-api/src/lib.rs
+++ b/petr-api/src/lib.rs
@@ -5,7 +5,6 @@
 use std::{
     fs,
     path::{Path, PathBuf},
-    rc::Rc,
 };
 
 pub use petr_fmt::{format_sources, Formattable, FormatterConfig, FormatterContext};
@@ -21,6 +20,8 @@ pub use petr_vm::Vm;
 use termcolor::{ColorChoice, ColorSpec, StandardStream, WriteColor};
 
 pub mod error {
+    use petr_ir::LoweringError;
+    use petr_utils::SpannedItem;
     use thiserror::Error;
     #[derive(Error, Debug)]
     pub enum PeteError {
@@ -31,6 +32,8 @@ pub mod error {
         #[cfg(not(feature = "no_std"))]
         #[error(transparent)]
         Pkg(#[from] petr_pkg::error::PkgError),
+        #[error("Failed to lower code")]
+        FailedToLower(#[from] SpannedItem<LoweringError>),
     }
 }
 
@@ -153,12 +156,9 @@ pub fn compile(
         interner = new_interner;
         parse_errs.append(&mut new_parse_errs);
         source_map = new_source_map;
-        let name = Identifier {
-            id: interner.insert(Rc::from(item.manifest.name)),
-        };
         dependencies.push(petr_resolve::Dependency {
             key: item.key,
-            name,
+            name: item.manifest.name,
             dependencies: item.depends_on,
             ast,
         });
@@ -193,8 +193,8 @@ pub fn compile(
     // errs.append(&mut type_errs);
 
     timings.start("lowering");
-    let lowerer: Lowerer = Lowerer::new(type_checker);
+    let lowerer = Lowerer::new(type_checker);
     timings.end("lowering");
 
-    Ok(lowerer)
+    Ok(lowerer?)
 }
diff --git a/petr-ast/Cargo.toml b/petr-ast/Cargo.toml
index 9020603..02e1b68 100644
--- a/petr-ast/Cargo.toml
+++ b/petr-ast/Cargo.toml
@@ -1,9 +1,15 @@
 [package]
 name = "petr-ast"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+description = "AST types for the petr language"
+license.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-petr-utils = { path = "../petr-utils" }
+petr-utils = { path = "../petr-utils", version = "0.1.0" }
diff --git a/petr-bind/Cargo.toml b/petr-bind/Cargo.toml
index 9a0d531..382ab58 100644
--- a/petr-bind/Cargo.toml
+++ b/petr-bind/Cargo.toml
@@ -1,15 +1,21 @@
 [package]
 name = "petr-bind"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+description = "The binding stage of the petr compiler"
+license.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-petr-utils = { path = "../petr-utils" }
-petr-ast = { path = "../petr-ast" }
+petr-utils = { path = "../petr-utils", version = "0.1.0" }
+petr-ast = { path = "../petr-ast", version = "0.1.0" }
 
 
 [dev-dependencies]
 expect-test = "1.5.0"
-petr-parse = { path = "../petr-parse" }
+petr-parse = { path = "../petr-parse", version = "0.1.0" }
diff --git a/petr-cli/Cargo.toml b/petr-cli/Cargo.toml
new file mode 100644
index 0000000..fd9a187
--- /dev/null
+++ b/petr-cli/Cargo.toml
@@ -0,0 +1,28 @@
+[package]
+name = "petr-cli"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "command line tool for compiling petr code"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = { version = "4.5.4", features = ["derive"] }
+petr-api = { "path" = "../petr-api", features = ["fancy", "default"], version = "0.1.0"  }
+petr-profiling = { "path" = "../petr-profiling", version = "0.1.0" }
+petr-resolve = { "path" = "../petr-resolve", version = "0.1.0" }
+petr-typecheck = { "path" = "../petr-typecheck", version = "0.1.0" }
+thiserror = "1.0"
+toml = "0.8"
+termcolor = { version = "1.4" }
+petr-pkg = { "path" = "../petr-pkg", version = "0.1.0" }
+petr-stdlib = { "path" = "../petr-stdlib", version = "0.1.0" }
+
+[[bin]]
+name = "pete"
+path = "src/main.rs"
diff --git a/pete/src/main.rs b/petr-cli/src/main.rs
similarity index 99%
rename from pete/src/main.rs
rename to petr-cli/src/main.rs
index 0f3fea3..65f6c3d 100644
--- a/pete/src/main.rs
+++ b/petr-cli/src/main.rs
@@ -170,7 +170,7 @@ pub fn compile(
     let mut dependencies = Vec::with_capacity(build_plan.items.len() + 1);
 
     // add the stdlib
-    let parser = Parser::new_with_existing_interner_and_source_map(stdlib::stdlib(), interner, source_map);
+    let parser = Parser::new_with_existing_interner_and_source_map(petr_stdlib::stdlib(), interner, source_map);
     let (dep_ast, mut new_parse_errs, mut interner, mut source_map) = parser.into_result();
     parse_errs.append(&mut new_parse_errs);
 
diff --git a/pete/tmp.swim b/petr-cli/tmp.swim
similarity index 100%
rename from pete/tmp.swim
rename to petr-cli/tmp.swim
diff --git a/petr-codegen/Cargo.toml b/petr-codegen/Cargo.toml
index c9ec6ce..93a9a51 100644
--- a/petr-codegen/Cargo.toml
+++ b/petr-codegen/Cargo.toml
@@ -1,12 +1,18 @@
 [package]
 name = "petr-codegen"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "Codegen stage of the petr compiler" 
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-petr-ir = { path = "../petr-ir" }
+petr-ir = { path = "../petr-ir", version = "0.1.0" }
 
 cranelift = "0.108.1"
 cranelift-native = "0.108.1"
diff --git a/petr-fmt/Cargo.lock b/petr-fmt/Cargo.lock
index 05a4c02..86f10bb 100644
--- a/petr-fmt/Cargo.lock
+++ b/petr-fmt/Cargo.lock
@@ -299,7 +299,7 @@ checksum = "b7401a30af6cb5818bb64852270bb722533397edcfc7344954a38f420819ece2"
 
 [[package]]
 name = "petr-fmt"
-version = "0.1.0"
+version.workspace = true
 dependencies = [
  "expect-test",
  "petr-parse",
@@ -307,7 +307,7 @@ dependencies = [
 
 [[package]]
 name = "petr-parse"
-version = "0.1.0"
+version.workspace = true
 dependencies = [
  "expect-test",
  "logos",
@@ -318,7 +318,7 @@ dependencies = [
 
 [[package]]
 name = "petr-utils"
-version = "0.1.0"
+version.workspace = true
 dependencies = [
  "miette",
 ]
diff --git a/petr-fmt/Cargo.toml b/petr-fmt/Cargo.toml
index 6fe8095..e4aba3a 100644
--- a/petr-fmt/Cargo.toml
+++ b/petr-fmt/Cargo.toml
@@ -1,14 +1,20 @@
 [package]
 name = "petr-fmt"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+description = "Formatter for the petr language"
+license.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-petr-parse = { path = "../petr-parse" }
-petr-utils = { path = "../petr-utils" }
-petr-ast = { path = "../petr-ast" }
+petr-parse = { path = "../petr-parse", version = "0.1.0" }
+petr-utils = { path = "../petr-utils", version = "0.1.0" }
+petr-ast = { path = "../petr-ast", version = "0.1.0" }
 structopt = { version = "0.3.26", features = ["color"] }
 
 [dev-dependencies]
diff --git a/petr-ir/Cargo.toml b/petr-ir/Cargo.toml
index 3db4edf..7eeba7b 100644
--- a/petr-ir/Cargo.toml
+++ b/petr-ir/Cargo.toml
@@ -1,20 +1,26 @@
 [package]
 name = "petr-ir"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+description = "target agnostic IR for the petr language"
+license.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-petr-utils = { path = "../petr-utils", optional = true }
-petr-typecheck = { path = "../petr-typecheck" }
+petr-utils = { path = "../petr-utils", version = "0.1.0", optional = true }
+petr-typecheck = { path = "../petr-typecheck", version = "0.1.0" }
 miette = { version = "5.10", features = ["fancy"] }
 thiserror = "1.0.61"
 
 [dev-dependencies]
-petr-parse = { path = "../petr-parse" }
+petr-parse = { path = "../petr-parse", version = "0.1.0" }
 expect-test = "1.5.0"
-petr-resolve = { path = "../petr-resolve" }
+petr-resolve = { path = "../petr-resolve", version = "0.1.0" }
 
 [features]
 debug = ["petr-utils/debug"]
diff --git a/petr-parse/Cargo.lock b/petr-parse/Cargo.lock
index 7c39bf1..1808eb3 100644
--- a/petr-parse/Cargo.lock
+++ b/petr-parse/Cargo.lock
@@ -299,7 +299,7 @@ checksum = "b7401a30af6cb5818bb64852270bb722533397edcfc7344954a38f420819ece2"
 
 [[package]]
 name = "petr-parse"
-version = "0.1.0"
+version.workspace = true
 dependencies = [
  "expect-test",
  "logos",
@@ -310,7 +310,7 @@ dependencies = [
 
 [[package]]
 name = "petr-utils"
-version = "0.1.0"
+version.workspace = true
 dependencies = [
  "miette",
 ]
diff --git a/petr-parse/Cargo.toml b/petr-parse/Cargo.toml
index e441a50..4a0ffc6 100644
--- a/petr-parse/Cargo.toml
+++ b/petr-parse/Cargo.toml
@@ -1,16 +1,22 @@
 [package]
 name = "petr-parse"
-version = "0.1.0"
-edition = "2021"
+description = "parser for the petr language"
+
+version.workspace = true
+authors.workspace = true
+edition.workspace = true
+homepage.workspace = true
+license.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 logos = "0.14.0"
 miette = { version = "5.10", features = ["fancy"] }
-petr-utils = { path = "../petr-utils" }
+petr-utils = { path = "../petr-utils", version = "0.1.0" }
 thiserror = "1.0.61"
-petr-ast = { path = "../petr-ast" }
+petr-ast = { path = "../petr-ast", version = "0.1.0" }
 
 [dev-dependencies]
 expect-test = "1.5.0"
diff --git a/petr-pkg/Cargo.toml b/petr-pkg/Cargo.toml
index 375b16d..fd9395d 100644
--- a/petr-pkg/Cargo.toml
+++ b/petr-pkg/Cargo.toml
@@ -1,7 +1,13 @@
 [package]
 name = "petr-pkg"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "package management for the petr language"
 
 [dependencies]
 bcrypt = "0.15.1"
@@ -10,6 +16,6 @@ dirs = "5.0.1"
 git2 = "0.19.0"
 serde = { version = "1.0.203", features = ["derive"] }
 toml = "0.8.14"
-petr-fmt = { path = "../petr-fmt" }
+petr-fmt = { path = "../petr-fmt", version = "0.1.0" }
 thiserror = "1.0.61"
 termcolor = "1.4.1"
diff --git a/petr-playground/Cargo.toml b/petr-playground/Cargo.toml
index f7346c0..b02d338 100644
--- a/petr-playground/Cargo.toml
+++ b/petr-playground/Cargo.toml
@@ -1,17 +1,19 @@
 [package]
 name = "petr-playground"
-version = "0.1.0"
+version.workspace = true
 authors = ["Alex Hansen <alex@alex-hansen.com>"]
 edition = "2018"
 rust-version = "1.57"
+description = "website playground for the petr language"
+license.workspace = true
 
 [lib]
 crate-type = ["cdylib"]
 
 [dependencies]
 wasm-bindgen = "0.2.92"
-petr-api = { path = "../petr-api", default-features = false, features = ["no_std"] }
-stdlib = { path = "../stdlib" }
+petr-api = { path = "../petr-api", default-features = false, features = ["no_std" ], version = "0.1.0" }
+petr-stdlib = { path = "../petr-stdlib", version = "0.1.0" }
 
 [dev-dependencies]
 expect-test = "1.5.0"
diff --git a/petr-playground/src/lib.rs b/petr-playground/src/lib.rs
index 0d552d7..c6dc2cd 100644
--- a/petr-playground/src/lib.rs
+++ b/petr-playground/src/lib.rs
@@ -62,7 +62,7 @@ fn errors_to_html(e: &[String]) -> String {
 }
 
 fn compile_snippet(input: String) -> Result<Lowerer, Vec<String>> {
-    let mut sources = stdlib::stdlib();
+    let mut sources = petr_stdlib::stdlib();
     sources.push(("snippet", &input));
     let parser = petr_api::Parser::new(sources);
     let (ast, errs, interner, source_map) = parser.into_result();
diff --git a/petr-profiling/Cargo.toml b/petr-profiling/Cargo.toml
index 4280d7a..c4273c0 100644
--- a/petr-profiling/Cargo.toml
+++ b/petr-profiling/Cargo.toml
@@ -1,7 +1,13 @@
 [package]
 name = "petr-profiling"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "tools for profiling the performance of the petr compiler"
 
 [dependencies]
 cli-table = "0.4"
diff --git a/petr-resolve/Cargo.toml b/petr-resolve/Cargo.toml
index 359ed84..e58495d 100644
--- a/petr-resolve/Cargo.toml
+++ b/petr-resolve/Cargo.toml
@@ -1,20 +1,26 @@
 [package]
 name = "petr-resolve"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "resolution stage of the petr compiler"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 either = "1.13.0"
-petr-ast = { path = "../petr-ast" }
-petr-bind = { path = "../petr-bind" }
-petr-utils = { path = "../petr-utils", optional = true }
+petr-ast = { path = "../petr-ast", version = "0.1.0" }
+petr-bind = { path = "../petr-bind", version = "0.1.0" }
+petr-utils = { path = "../petr-utils", version = "0.1.0", optional = true }
 miette = { version = "5.10", features = ["fancy"] }
 thiserror = "1.0.61"
 
 [dev-dependencies]
-petr-parse = { path = "../petr-parse" }
+petr-parse = { path = "../petr-parse", version = "0.1.0" }
 expect-test = "1.5.0"
 
 [features]
diff --git a/petr-stdlib/Cargo.toml b/petr-stdlib/Cargo.toml
new file mode 100644
index 0000000..baa4af5
--- /dev/null
+++ b/petr-stdlib/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "petr-stdlib"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+description = "the petr language's standard library"
+license.workspace = true
+
+[dependencies]
diff --git a/stdlib/pete.toml b/petr-stdlib/pete.toml
similarity index 85%
rename from stdlib/pete.toml
rename to petr-stdlib/pete.toml
index 7a68f6e..e4bb5d7 100644
--- a/stdlib/pete.toml
+++ b/petr-stdlib/pete.toml
@@ -1,5 +1,5 @@
 author = "Alex Hansen <alex@alex-hansen.com>"
-license = "MIT"
+license.workspace = true
 name = "test_project"
 
 [formatter]
diff --git a/stdlib/petr.lock b/petr-stdlib/petr.lock
similarity index 100%
rename from stdlib/petr.lock
rename to petr-stdlib/petr.lock
diff --git a/stdlib/src/io.pt b/petr-stdlib/src/io.pt
similarity index 100%
rename from stdlib/src/io.pt
rename to petr-stdlib/src/io.pt
diff --git a/stdlib/src/lib.rs b/petr-stdlib/src/lib.rs
similarity index 100%
rename from stdlib/src/lib.rs
rename to petr-stdlib/src/lib.rs
diff --git a/stdlib/src/mem.pt b/petr-stdlib/src/mem.pt
similarity index 100%
rename from stdlib/src/mem.pt
rename to petr-stdlib/src/mem.pt
diff --git a/stdlib/src/ops.pt b/petr-stdlib/src/ops.pt
similarity index 100%
rename from stdlib/src/ops.pt
rename to petr-stdlib/src/ops.pt
diff --git a/petr-typecheck/Cargo.toml b/petr-typecheck/Cargo.toml
index e9db93f..99e1581 100644
--- a/petr-typecheck/Cargo.toml
+++ b/petr-typecheck/Cargo.toml
@@ -1,20 +1,26 @@
 [package]
 name = "petr-typecheck"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "the typecheck stage of the petr compiler"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-petr-utils = { path = "../petr-utils", optional = true }
-petr-resolve = { path = "../petr-resolve" }
-petr-bind = { path = "../petr-bind" }
+petr-utils = { path = "../petr-utils", version = "0.1.0", optional = true }
+petr-resolve = { path = "../petr-resolve", version = "0.1.0" }
+petr-bind = { path = "../petr-bind", version = "0.1.0" }
 miette = { version = "5.10", features = ["fancy"] }
 thiserror = "1.0.61"
 
 
 [dev-dependencies]
-petr-parse = { path = "../petr-parse" }
+petr-parse = { path = "../petr-parse", version = "0.1.0" }
 expect-test = "1.5.0"
 
 [features]
diff --git a/petr-typecheck/src/lib.rs b/petr-typecheck/src/lib.rs
index b1e60d9..0b5baa0 100644
--- a/petr-typecheck/src/lib.rs
+++ b/petr-typecheck/src/lib.rs
@@ -959,7 +959,7 @@ impl TypeCheck for petr_resolve::FunctionCall {
 mod tests {
     use expect_test::{expect, Expect};
     use petr_resolve::resolve_symbols;
-    use petr_utils::{render_error, SourceId};
+    use petr_utils::render_error;
 
     use super::*;
     fn check(
@@ -971,20 +971,17 @@ mod tests {
         let (ast, errs, interner, source_map) = parser.into_result();
         if !errs.is_empty() {
             errs.into_iter().for_each(|err| eprintln!("{:?}", render_error(&source_map, err)));
-            panic!("fmt failed: code didn't parse");
+            panic!("test failed: code didn't parse");
         }
         let (errs, resolved) = resolve_symbols(ast, interner, Default::default());
         assert!(errs.is_empty(), "can't typecheck: unresolved symbols");
         let type_checker = TypeChecker::new(resolved);
-        let res = pretty_print_type_checker(type_checker, &source_map);
+        let res = pretty_print_type_checker(type_checker);
 
         expect.assert_eq(&res);
     }
 
-    fn pretty_print_type_checker(
-        type_checker: TypeChecker,
-        source_map: &IndexMap<SourceId, (&'static str, &'static str)>,
-    ) -> String {
+    fn pretty_print_type_checker(type_checker: TypeChecker) -> String {
         let mut s = String::new();
         for (id, ty) in &type_checker.type_map {
             let text = match id {
@@ -1023,8 +1020,7 @@ mod tests {
         if !type_checker.errors.is_empty() {
             s.push_str("\nErrors:\n");
             for error in type_checker.errors {
-                let rendered = render_error(source_map, error);
-                s.push_str(&format!("{:?}\n", rendered));
+                s.push_str(&format!("{:?}\n", error));
             }
         }
         s
@@ -1276,14 +1272,7 @@ mod tests {
 
 
                 Errors:
-                  × Failed to unify types: String, Boolean
-                   ╭─[test:2:1]
-                 2 │         fn my_func() returns 'unit
-                 3 │           @puts(true)
-                   ·                 ──┬─
-                   ·                   ╰── Failed to unify types: String, Boolean
-                   ╰────
-
+                SpannedItem UnificationFailure(String, Boolean) [Span { source: SourceId(0), span: SourceSpan { offset: SourceOffset(52), length: 4 } }]
             "#]],
         );
     }
@@ -1320,14 +1309,7 @@ mod tests {
 
 
                 Errors:
-                  × Failed to unify types: String, Boolean
-                   ╭─[test:5:1]
-                 5 │         fn my_func() returns 'unit
-                 6 │           @puts(~bool_literal)
-                   ·                 ───────┬──────
-                   ·                        ╰── Failed to unify types: String, Boolean
-                   ╰────
-
+                SpannedItem UnificationFailure(String, Boolean) [Span { source: SourceId(0), span: SourceSpan { offset: SourceOffset(110), length: 14 } }]
             "#]],
         );
     }
@@ -1371,15 +1353,7 @@ mod tests {
 
 
                 Errors:
-                  × Failed to unify types: Integer, Boolean
-                   ╭─[test:1:1]
-                 1 │ 
-                 2 │                 fn my_list() returns 'list [ 1, true ]
-                   ·                                                ──┬──
-                   ·                                                  ╰── Failed to unify types: Integer, Boolean
-                 3 │             
-                   ╰────
-
+                SpannedItem UnificationFailure(Integer, Boolean) [Span { source: SourceId(0), span: SourceSpan { offset: SourceOffset(48), length: 5 } }]
             "#]],
         );
     }
@@ -1401,15 +1375,7 @@ mod tests {
 
 
                 Errors:
-                  × Function add takes 2 arguments, but got 1 arguments.
-                   ╭─[test:3:1]
-                 3 │ 
-                 4 │                 fn add_five(a in 'int) returns 'int ~add(5)
-                   ·                                                    ────┬───
-                   ·                                                        ╰── Function add takes 2 arguments, but got 1 arguments.
-                 5 │             
-                   ╰────
-
+                SpannedItem ArgumentCountMismatch { function: "add", expected: 2, got: 1 } [Span { source: SourceId(0), span: SourceSpan { offset: SourceOffset(113), length: 8 } }]
             "#]],
         );
     }
diff --git a/petr-utils/Cargo.lock b/petr-utils/Cargo.lock
index 40d5d68..8a7da09 100644
--- a/petr-utils/Cargo.lock
+++ b/petr-utils/Cargo.lock
@@ -220,7 +220,7 @@ checksum = "b7401a30af6cb5818bb64852270bb722533397edcfc7344954a38f420819ece2"
 
 [[package]]
 name = "petr-utils"
-version = "0.1.0"
+version.workspace = true
 dependencies = [
  "miette",
 ]
diff --git a/petr-utils/Cargo.toml b/petr-utils/Cargo.toml
index 0c89998..5d4629e 100644
--- a/petr-utils/Cargo.toml
+++ b/petr-utils/Cargo.toml
@@ -1,7 +1,13 @@
 [package]
 name = "petr-utils"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "common utilities for the petr compiler and tooling"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/petr-vm/Cargo.toml b/petr-vm/Cargo.toml
index 0abba4b..30e4d13 100644
--- a/petr-vm/Cargo.toml
+++ b/petr-vm/Cargo.toml
@@ -1,19 +1,25 @@
 [package]
 name = "petr-vm"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+repository.workspace = true
+homepage.workspace = true
+authors.workspace = true
+
+license.workspace = true
+description = "a basic VM for running and debugging petr IR"
 
 [dependencies]
-petr-ir = { path = "../petr-ir" }
-petr-utils = { path = "../petr-utils", optional = true }
+petr-ir = { path = "../petr-ir", version = "0.1.0" }
+petr-utils = { path = "../petr-utils", version = "0.1.0", optional = true }
 thiserror = "1.0.61"
 
 [dev-dependencies]
-petr-parse = { path = "../petr-parse" }
+petr-parse = { path = "../petr-parse", version = "0.1.0" }
 expect-test = "1.5.0"
-petr-resolve = { path = "../petr-resolve" }
-petr-typecheck = { path = "../petr-typecheck" }
-stdlib = { path = "../stdlib" }
+petr-resolve = { path = "../petr-resolve", version = "0.1.0" }
+petr-typecheck = { path = "../petr-typecheck", version = "0.1.0" }
+petr-stdlib = { path = "../petr-stdlib", version = "0.1.0" }
 
 [features]
 debug = ["petr-utils/debug"]
diff --git a/petr-vm/src/lib.rs b/petr-vm/src/lib.rs
index 3f30fbb..9862829 100644
Binary files a/petr-vm/src/lib.rs and b/petr-vm/src/lib.rs differ
diff --git a/stdlib/Cargo.toml b/stdlib/Cargo.toml
deleted file mode 100644
index c4c0e7f..0000000
--- a/stdlib/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "stdlib"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]