diff --git a/Cargo.lock b/Cargo.lock
index a7613862..60cab634 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1896,7 +1896,9 @@ dependencies = [
  "clap",
  "eyre",
  "libc",
+ "metrics-exporter-prometheus 0.18.1",
  "reth",
+ "thiserror 2.0.17",
  "tokio",
  "tracing",
 ]
@@ -6650,6 +6652,26 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "metrics-exporter-prometheus"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3589659543c04c7dc5526ec858591015b87cd8746583b51b48ef4353f99dbcda"
+dependencies = [
+ "base64 0.22.1",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "indexmap 2.13.0",
+ "ipnet",
+ "metrics",
+ "metrics-util 0.20.1",
+ "quanta",
+ "thiserror 2.0.17",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "metrics-process"
 version = "2.4.2"
diff --git a/Cargo.toml b/Cargo.toml
index 3b4d2312..0b1da15a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -215,6 +215,9 @@ vergen = "9.0.6"
 vergen-git2 = "1.0.7"
 clap = { version = "4.5.53", features = ["derive", "env", "string"] }
 
+# Metrics
+metrics-exporter-prometheus = { version = "0.18.1", default-features = false }
+
 # misc
 url = "2.5.7"
 lru = "0.16.2"
diff --git a/crates/shared/cli-utils/Cargo.toml b/crates/shared/cli-utils/Cargo.toml
index e058dea6..9167608b 100644
--- a/crates/shared/cli-utils/Cargo.toml
+++ b/crates/shared/cli-utils/Cargo.toml
@@ -17,6 +17,8 @@ tokio = { workspace = true, features = ["full"] }
 eyre.workspace = true
 clap = { workspace = true, features = ["derive"] }
 tracing.workspace = true
+thiserror.workspace = true
+metrics-exporter-prometheus = { workspace = true, features = ["http-listener"] }
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2"
diff --git a/crates/shared/cli-utils/src/errors.rs b/crates/shared/cli-utils/src/errors.rs
new file mode 100644
index 00000000..a99705a8
--- /dev/null
+++ b/crates/shared/cli-utils/src/errors.rs
@@ -0,0 +1,26 @@
+//! Error types for CLI utilities.
+
+use thiserror::Error;
+
+/// Errors that can occur in CLI operations.
+#[derive(Error, Debug)]
+pub enum CliError {
+    /// Error when no chain config is found for the given chain ID.
+    #[error("No chain config found for chain ID: {0}")]
+    ChainConfigNotFound(u64),
+
+    /// Error when no roles are found for the given chain ID.
+    #[error("No roles found for chain ID: {0}")]
+    RolesNotFound(u64),
+
+    /// Error when no unsafe block signer is found for the given chain ID.
+    #[error("No unsafe block signer found for chain ID: {0}")]
+    UnsafeBlockSignerNotFound(u64),
+
+    /// Error initializing metrics.
+    #[error("Failed to initialize metrics")]
+    MetricsInitialization(#[from] metrics_exporter_prometheus::BuildError),
+}
+
+/// Type alias for CLI results.
+pub type CliResult<T> = Result<T, CliError>;
diff --git a/crates/shared/cli-utils/src/lib.rs b/crates/shared/cli-utils/src/lib.rs
index fe92be91..5c3b7580 100644
--- a/crates/shared/cli-utils/src/lib.rs
+++ b/crates/shared/cli-utils/src/lib.rs
@@ -9,6 +9,9 @@ pub use sigsegv::SigsegvHandler;
 mod backtrace;
 pub use backtrace::Backtracing;
 
+mod errors;
+pub use errors::{CliError, CliResult};
+
 mod args;
 pub use args::GlobalArgs;