diff --git a/run.sh b/run.sh
new file mode 100755
index 000000000..8ec50f923
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+scarb build
+cd runner
+cargo run -- ../target/dev/cairo_verifier.sierra < resources/parserin.txt
diff --git a/runner/Cargo.toml b/runner/Cargo.toml
index 19b05eaed..707a80401 100644
--- a/runner/Cargo.toml
+++ b/runner/Cargo.toml
@@ -7,6 +7,11 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.76"
+cairo-args-runner = "0.1.1"
 clap = { version = "4.4.11", features = ["derive"] }
+lalrpop-util = { version = "0.20.0", features = ["lexer", "unicode"] }
 serde = { version = "1.0.193", features = ["derive"] }
 serde_json = "1.0.108"
+
+[build-dependencies]
+lalrpop = "0.20.0"
diff --git a/runner/build.rs b/runner/build.rs
new file mode 100644
index 000000000..ca5c2836d
--- /dev/null
+++ b/runner/build.rs
@@ -0,0 +1,3 @@
+fn main() {
+    lalrpop::process_root().unwrap();
+}
diff --git a/runner/resources/parserin.txt b/runner/resources/parserin.txt
new file mode 100644
index 000000000..82f6a0c2d
--- /dev/null
+++ b/runner/resources/parserin.txt
@@ -0,0 +1 @@
+StarkProof(config=StarkConfig(traces=TracesConfig(original=TableCommitmentConfig(n_columns=12, vector=VectorCommitmentConfig(height=24, n_verifier_friendly_commitment_layers=9)), interaction=TableCommitmentConfig(n_columns=3, vector=VectorCommitmentConfig(height=24, n_verifier_friendly_commitment_layers=9))), composition=TableCommitmentConfig(n_columns=2, vector=VectorCommitmentConfig(height=24, n_verifier_friendly_commitment_layers=9))))
diff --git a/runner/src/ast.rs b/runner/src/ast.rs
new file mode 100644
index 000000000..f0ad2891f
--- /dev/null
+++ b/runner/src/ast.rs
@@ -0,0 +1,53 @@
+use std::{
+    fmt::Display,
+    ops::{Deref, DerefMut},
+};
+
+#[derive(Debug, Clone)]
+pub enum Expr {
+    Value(String),
+    Array(Vec<String>),
+}
+
+impl Display for Expr {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Expr::Value(v) => write!(f, "{}", v),
+            Expr::Array(v) => write!(f, "{:?}", v),
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct Exprs(pub Vec<Expr>);
+
+impl Display for Exprs {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "[")?;
+
+        for (i, expr) in self.iter().enumerate() {
+            if i != 0 {
+                write!(f, ", ")?;
+            }
+            write!(f, "{}", expr)?;
+        }
+
+        write!(f, "]")?;
+
+        Ok(())
+    }
+}
+
+impl Deref for Exprs {
+    type Target = Vec<Expr>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl DerefMut for Exprs {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
diff --git a/runner/src/main.rs b/runner/src/main.rs
index 6aa2d77ce..4aa3caeb2 100644
--- a/runner/src/main.rs
+++ b/runner/src/main.rs
@@ -1,35 +1,36 @@
-use std::fs::File;
-use std::io::BufReader;
+use std::io::{stdin, Read};
 
+use cairo_args_runner::{run, WrappedArg};
 use clap::Parser;
-use serde_json::Value;
+use lalrpop_util::lalrpop_mod;
+
+mod ast;
+
+lalrpop_mod!(pub parser);
 
 #[derive(Parser)]
 #[command(author, version, about, long_about = None)]
 struct Cli {
-    /// Path to the input file
-    #[clap(default_value = "resources/input.json")]
-    path: String,
+    /// Path to compiled sierra file
+    target: String,
 }
 
 fn main() -> anyhow::Result<()> {
-    let args = Cli::parse();
-    let file = File::open(args.path)?;
-    let reader = BufReader::new(file);
+    let cli = Cli::parse();
+    let mut input = String::new();
+    stdin().read_to_string(&mut input)?;
 
-    let v: Value = serde_json::from_reader(reader)?;
+    let parsed = parser::ExprParser::new()
+        .parse(&input)
+        .map_err(|e| anyhow::anyhow!("{}", e))?;
+    let result = format!("{parsed}");
 
-    let flattened = flatten_recursively(&v);
+    let target = cli.target;
+    let function = "main";
+    let args: WrappedArg = serde_json::from_str(&result).unwrap();
 
-    println!("{:?}", flattened.collect::<Vec<u64>>());
+    let result = run(&target, &function, &args)?;
 
+    println!("{result:?}");
     Ok(())
 }
-
-fn flatten_recursively(v: &Value) -> Box<dyn Iterator<Item = u64> + '_> {
-    match v {
-        Value::Array(array) => Box::new(array.iter().flat_map(flatten_recursively)),
-        Value::Number(v) => Box::new(std::iter::once(v.as_u64().unwrap())),
-        _ => Box::new(std::iter::empty()),
-    }
-}
diff --git a/runner/src/parser.lalrpop b/runner/src/parser.lalrpop
new file mode 100644
index 000000000..91369ddb8
--- /dev/null
+++ b/runner/src/parser.lalrpop
@@ -0,0 +1,28 @@
+use crate::ast::{Expr, Exprs};
+
+grammar;
+
+pub Expr: Exprs = {
+    StructName "()" => Exprs(Vec::new()),
+    StructName "(" <n:Comma<Arg>> ")" => Exprs(n.iter().flat_map(|x| x.iter().cloned()).collect()),
+};
+
+Arg: Exprs = {
+    ArgName "=" <n:Expr> => n,
+    ArgName "=" <n:Num> => Exprs(vec![Expr::Value(n)]),
+    ArgName "=" "[" <n:Comma<Num>> "]" => Exprs(vec![Expr::Array(n)])
+};
+
+Comma<T>: Vec<T> = {
+    <mut v:(<T> ",")*> <e:T?> => match e {
+        None => v,
+        Some(e) => {
+            v.push(e);
+            v
+        }
+    }
+};
+
+StructName: String = <s:r"[A-Z][A-Za-z]+"> => s.to_string();
+ArgName: String = <s:r"[a-z_]+"> => s.to_string();
+Num: String = <s:r"[0-9]+"> => s.to_string();
diff --git a/src/input_structs/stark_config.cairo b/src/input_structs/stark_config.cairo
index ca3282c83..4e4c27c67 100644
--- a/src/input_structs/stark_config.cairo
+++ b/src/input_structs/stark_config.cairo
@@ -1,7 +1,7 @@
 #[derive(Copy, Drop)]
 struct StarkConfig {
     traces: TracesConfig,
-// composition: TableCommitmentConfig,
+    composition: TableCommitmentConfig,
 // fri: FriConfig,
 // proof_of_work: ProofOfWorkConfig,
 // // Log2 of the trace domain size.