diff --git a/Cargo.lock b/Cargo.lock
index e5832b7..e6a1c4a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,21 +2,180 @@
 # It is not intended for manual editing.
 version = 4
 
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+
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+ "keccak",
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+ "nom",
+ "num-bigint",
+ "num-integer",
+ "num-prime",
+ "num-traits",
+ "rand 0.8.5",
+ "rust_decimal",
+ "serde",
+ "serde_json",
+ "sha2",
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+ "starknet-types-core",
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+
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+ "rustversion",
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+ "wasm-bindgen",
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+dependencies = [
+ "num-bigint",
+ "num-integer",
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+]
+
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+checksum = "e238432a7881ec7164503ccc516c014bf009be7984cde1ba56837862543bdec3"
+dependencies = [
+ "bitvec",
+ "either",
+ "lru",
+ "num-bigint",
+ "num-integer",
+ "num-modular",
+ "num-traits",
+ "rand 0.8.5",
+]
+
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+dependencies = [
+ "autocfg",
+]
+
 [[package]]
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 version = "1.21.3"
@@ -51,6 +480,15 @@ version = "0.2.16"
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+dependencies = [
+ "zerocopy",
+]
+
 [[package]]
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 version = "1.0.101"
@@ -69,6 +507,103 @@ dependencies = [
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+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
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+ "rand_core 0.6.4",
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+
+[[package]]
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+dependencies = [
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+dependencies = [
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+
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+dependencies = [
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+ "subtle",
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+dependencies = [
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+ "num-traits",
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+
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+
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@@ -118,6 +653,91 @@ dependencies = [
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75872d278a8f37ef87fa0ddbda7802605cb18344497949862c0d4dcb291eba60"
+dependencies = [
+ "digest",
+ "keccak",
+]
+
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
+[[package]]
+name = "starknet-crypto"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1004a16c25dc6113c19d4f9d0c19ff97d85804829894bba22c0d0e9e7b249812"
+dependencies = [
+ "crypto-bigint",
+ "hex",
+ "hmac",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+ "rfc6979",
+ "sha2",
+ "starknet-curve",
+ "starknet-types-core",
+ "zeroize",
+]
+
+[[package]]
+name = "starknet-curve"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22c898ae81b6409532374cf237f1bd752d068b96c6ad500af9ebbd0d9bb712f6"
+dependencies = [
+ "starknet-types-core",
+]
+
+[[package]]
+name = "starknet-types-core"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90d23b1bc014ee4cce40056ab3114bcbcdc2dbc1e845bbfb1f8bd0bab63507d4"
+dependencies = [
+ "blake2",
+ "digest",
+ "lambdaworks-crypto",
+ "lambdaworks-math",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+ "rand 0.9.2",
+ "serde",
+ "zeroize",
+]
+
+[[package]]
+name = "subtle"
+version = "2.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
+
 [[package]]
 name = "syn"
 version = "2.0.106"
@@ -129,13 +749,28 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tap"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 1.0.69",
+]
+
+[[package]]
+name = "thiserror"
+version = "2.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f63587ca0f12b72a0600bcba1d40081f830876000bb46dd2337a3051618f4fc8"
+dependencies = [
+ "thiserror-impl 2.0.17",
 ]
 
 [[package]]
@@ -149,6 +784,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thiserror-impl"
+version = "2.0.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "tracing"
 version = "0.1.41"
@@ -180,8 +826,139 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f63a545481291138910575129486daeaf8ac54aee4387fe7906919f7830c7d9d"
+
+[[package]]
+name = "unty"
+version = "0.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d49784317cd0d1ee7ec5c716dd598ec5b4483ea832a2dced265471cc0f690ae"
+
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
+[[package]]
+name = "wasi"
+version = "0.11.1+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
+
+[[package]]
+name = "wasip2"
+version = "1.0.1+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+dependencies = [
+ "wit-bindgen",
+]
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d759f433fa64a2d763d1340820e46e111a7a5ab75f993d1852d70b03dbb80fd"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48cb0d2638f8baedbc542ed444afc0644a29166f1595371af4fecf8ce1e7eeb3"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cefb59d5cd5f92d9dcf80e4683949f15ca4b511f4ac0a6e14d4e1ac60c6ecd40"
+dependencies = [
+ "bumpalo",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.106"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbc538057e648b67f72a982e708d485b2efa771e1ac05fec311f9f63e5800db4"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "wit-bindgen"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd74ec98b9250adb3ca554bdde269adf631549f51d8a8f8f0a10b50f1cb298c3"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8a8d209fdf45cf5138cbb5a506f6b52522a25afccc534d1475dad8e31105c6a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zeroize"
+version = "1.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b97154e67e32c85465826e8bcc1c59429aaaf107c1e4a9e53c8d8ccd5eff88d0"
+
+[[package]]
+name = "zip"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "760394e246e4c28189f19d488c058bf16f564016aefac5d32bb1f3b51d5e9261"
+dependencies = [
+ "byteorder",
+ "crc32fast",
+ "crossbeam-utils",
+ "flate2",
+]
diff --git a/Cargo.toml b/Cargo.toml
index a1e33af..c6d1dba 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,5 +5,6 @@ edition = "2024"
 
 [dependencies]
 dap = { git = "https://github.com/software-mansion-labs/dap-rs", rev = "4440a6f" }
+cairo-vm = { git = "https://github.com/software-mansion-labs/cairo-vm", rev = "e8183f4" }
 tracing = "0.1"
 anyhow = "1.0"
diff --git a/src/connection.rs b/src/connection.rs
index bbf7398..8686298 100644
--- a/src/connection.rs
+++ b/src/connection.rs
@@ -1,11 +1,12 @@
 use std::io::{BufReader, BufWriter};
 use std::net::{TcpListener, TcpStream};
 use std::sync::mpsc;
+use std::sync::mpsc::TryRecvError;
 use std::thread;
 use std::thread::JoinHandle;
 
-use anyhow::Context;
 use anyhow::Result;
+use anyhow::{Context, bail};
 use dap::base_message::Sendable;
 use dap::errors::ServerError;
 use dap::prelude::{Event, Request, ResponseBody, Server};
@@ -47,6 +48,13 @@ impl Connection {
         self.inbound_rx.recv().context("Inbound connection closed")
     }
 
+    pub fn try_next_request(&self) -> Result<Option<Request>> {
+        self.inbound_rx.try_recv().map(Some).or_else(|e| match e {
+            TryRecvError::Empty => Ok(None),
+            TryRecvError::Disconnected => bail!("Inbound connection closed"),
+        })
+    }
+
     pub fn send_event(&self, event: Event) -> Result<()> {
         self.outbound_tx
             .send(Sendable::Event(event))
diff --git a/src/debugger.rs b/src/debugger.rs
index 15e2b43..4c5e1df 100644
--- a/src/debugger.rs
+++ b/src/debugger.rs
@@ -1,10 +1,12 @@
 use anyhow::Result;
+use cairo_vm::vm::vm_core::VirtualMachine;
 use tracing::debug;
 
 use crate::connection::Connection;
 use crate::debugger::handler::{HandleResult, NextAction};
 
 mod handler;
+mod vm;
 
 pub struct CairoDebugger {
     connection: Connection,
@@ -32,9 +34,9 @@ impl CairoDebugger {
         Ok(())
     }
 
-    pub fn run(&self) -> Result<()> {
-        while let Ok(req) = self.connection.next_request() {
-            self.handle_request(req)?;
+    fn sync_with_vm(&self, _vm: &VirtualMachine) -> Result<()> {
+        while let Some(request) = self.connection.try_next_request()? {
+            self.handle_request(request)?;
         }
 
         Ok(())
diff --git a/src/debugger/vm.rs b/src/debugger/vm.rs
new file mode 100644
index 0000000..2b721bb
--- /dev/null
+++ b/src/debugger/vm.rs
@@ -0,0 +1,12 @@
+use cairo_vm::vm::errors::vm_errors::VirtualMachineError;
+use cairo_vm::vm::runners::hook::RunnerPreStepHook;
+use cairo_vm::vm::vm_core::VirtualMachine;
+
+use crate::CairoDebugger;
+
+impl RunnerPreStepHook for CairoDebugger {
+    #[tracing::instrument(skip(self, vm), err)]
+    fn execute(&mut self, vm: &VirtualMachine) -> Result<(), VirtualMachineError> {
+        self.sync_with_vm(vm).map_err(VirtualMachineError::Other)
+    }
+}