diff --git a/.gitignore b/.gitignore
index 3eab259..7fb2651 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-/.stack-work/
-/stack.yaml.lock
-/*.cabal
+/target
+
 /.trace
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..2905b6c
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,242 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "anstream"
+version = "0.6.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
+
+[[package]]
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+version = "0.2.6"
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+checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
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+dependencies = [
+ "windows-sys",
+]
+
+[[package]]
+name = "anstyle-wincon"
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+checksum = "ca3534e77181a9cc07539ad51f2141fe32f6c3ffd4df76db8ad92346b003ae4e"
+dependencies = [
+ "anstyle",
+ "once_cell",
+ "windows-sys",
+]
+
+[[package]]
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+
+[[package]]
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+version = "4.5.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6088f3ae8c3608d19260cd7445411865a485688711b78b5be70d78cd96136f83"
+dependencies = [
+ "clap_builder",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.5.32"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22a7ef7f676155edfb82daa97f99441f3ebf4a58d5e32f295a56259f1b6facc8"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "clap_lex",
+ "strsim",
+ "terminal_size",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
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+
+[[package]]
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+checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "is_terminal_polyfill"
+version = "1.70.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
+
+[[package]]
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+
+[[package]]
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+
+[[package]]
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+
+[[package]]
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+checksum = "f7178faa4b75a30e269c71e61c353ce2748cf3d76f0c44c393f4e60abf49b825"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
+[[package]]
+name = "terminal_size"
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+dependencies = [
+ "rustix",
+ "windows-sys",
+]
+
+[[package]]
+name = "tracer"
+version = "0.2.0"
+dependencies = [
+ "clap",
+]
+
+[[package]]
+name = "utf8parse"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+
+[[package]]
+name = "windows-sys"
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+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
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+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
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+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
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+
+[[package]]
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+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
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+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..7b2c533
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "tracer"
+version = "0.2.0"
+description = "Manually instrument a script with spans and traces"
+authors = ["Andrew Cowie"]
+edition = "2024"
+license = "MIT"
+repository = "https://github.com/aesiniath/tracer"
+
+[dependencies]
+clap = { version = "4.5.32", features = ["wrap_help"] }
diff --git a/hie.yaml b/hie.yaml
deleted file mode 100644
index 4ef275e..0000000
--- a/hie.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-cradle:
-  stack:
diff --git a/package.yaml b/package.yaml
deleted file mode 100644
index 53a8573..0000000
--- a/package.yaml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: tracer
-version: 0.1.0.2
-synopsis: Manually instrument a script with spans and traces
-author: Andrew Cowie <istathar@gmail.com>
-maintainer: Andrew Cowie <istathar@gmail.com>
-copyright: © 2021-2022 Athae Eredh Siniath and Others
-license: MIT
-tested-with: GHC == 9.2.2
-
-ghc-options: -Wall -Wwarn -fwarn-tabs
-
-dependencies:
-  - base
-  - bytestring
-  - core-data
-  - core-text
-  - core-program >= 0.5.0.4
-  - core-telemetry >= 0.2.3.4
-  - random
-  - scientific
-  - typed-process
-
-executables:
-  tracer:
-    source-dirs:
-    - src
-    main: TracerMain.hs
-    ghc-options: -threaded
-    other-modules:
-    - TracerSpans
-    - StateFile
-
-tests:
-  check:
-    dependencies:
-      - hspec
-    ghc-options: -threaded
-    source-dirs:
-      - tests
-    main: TestSuite.hs
-    other-modules: []
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..60cf741
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,87 @@
+use clap::{Arg, ArgAction, Command};
+
+fn main() {
+    const VERSION: &str = concat!("v", env!("CARGO_PKG_VERSION"));
+
+    let matches = Command::new("tracer")
+            .version(VERSION)
+            .propagate_version(true)
+            .author("Andrew Cowie")
+            .about("Manually instrument a script with spans and traces.")
+            .disable_help_subcommand(true)
+            .disable_help_flag(true)
+            .disable_version_flag(true)
+            .arg(
+                Arg::new("help")
+                    .long("help")
+                    .long_help("Print help")
+                    .global(true)
+                    .hide(true)
+                    .action(ArgAction::Help))
+            .arg(
+                Arg::new("version")
+                    .long("version")
+                    .long_help("Print version")
+                    .global(true)
+                    .hide(true)
+                    .action(ArgAction::Version))
+            .arg(
+                Arg::new("trace-file")
+                    .long("trace-file")
+                    .action(ArgAction::SetTrue)
+                    .help("File to record the trace and root span identifier in. The default filename is .trace in the current working directory. If you override it when initializing you will need to use the same file for all subsequent invocations making up this procedure."))
+            .subcommand(
+                Command::new("init")
+                    .about("Create a trace and root span identifier and mark the start time of your trace.")
+                    .arg(
+                        Arg::new("watch")
+                            .long("watch")
+                            .action(clap::ArgAction::SetTrue)
+                            .help("Watch the given procedure file and recompile if changes are detected."),
+                    )
+                    .arg(
+                        Arg::new("filename")
+                            .required(true)
+                            .help("The file containing the code for the procedure you want to type-check."),
+                    ),
+            )
+            .subcommand(
+                Command::new("exec")
+                    .about("Wrap the execution of a command in a span, recording its start time and duration.")
+                    .arg(
+                        Arg::new("label")
+                            .required(true)
+                            .help("Name for the span that will enclose the command you are running. By convention th e label used for the step is the name of the program, script, or function you are executing, rather than a descriptive string."),
+                    )
+                    .arg(
+                        Arg::new("command")
+                            .required(true)
+                            .help("The program to run. It needs to either be an absolute path or a binary by that name must be on your PATH."),
+                    ),
+
+            )
+            .subcommand(
+                Command::new("send")
+                    .about("Send the root span, finishing the corresponding trace.")
+                    .arg(
+                        Arg::new("label")
+                            .required(true)
+                            .help("Name for the root span. By convention this is the identifier or codename for the process being undertaken."),
+                    )
+            )
+
+            .get_matches();
+
+    match matches.subcommand() {
+        Some(("check", _)) => {
+            todo!();
+        }
+        Some(_) => {
+            println!("An invalid subcommand was used")
+        }
+        None => {
+            println!("usage: tracer [COMMAND] ...");
+            println!("Try '--help' for more information.");
+        }
+    }
+}
diff --git a/stack.yaml b/stack.yaml
deleted file mode 100644
index 173dacd..0000000
--- a/stack.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
-resolver: lts-20.3
-compiler: ghc-9.2.4
-packages:
-- .
-
-extra-deps:
-#
-# there was actually no immediate reason to depend on the latest versions of
-# these libraries other than to show the way you add specific versions to your
-# Stack resolver if you need something newer than what is in the snaphot above.
-#
-
-- core-data-0.3.8.0
-- core-program-0.6.1.0
-- core-text-0.3.8.0
-- core-telemetry-0.2.7.0
-
-#
-# bump aeson dependency for security reasons
-#
diff --git a/tests/TestSuite.hs b/tests/TestSuite.hs
deleted file mode 100644
index 6d4d42a..0000000
--- a/tests/TestSuite.hs
+++ /dev/null
@@ -1,14 +0,0 @@
-{-# LANGUAGE OverloadedStrings #-}
-
-import Control.Exception (finally)
-import Test.Hspec (Spec, describe, hspec, it, shouldBe)
-
-main :: IO ()
-main = do
-    finally (hspec suite) (putStrLn ".")
-
-suite :: Spec
-suite = do
-    describe "This thing" $ do
-        it "does what it is supposed to" $ do
-            True `shouldBe` True