diff --git a/crates/snforge-scarb-plugin/src/args.rs b/crates/snforge-scarb-plugin/src/args.rs
index 2f4c2af7db..92a0773197 100644
--- a/crates/snforge-scarb-plugin/src/args.rs
+++ b/crates/snforge-scarb-plugin/src/args.rs
@@ -1,5 +1,5 @@
 use self::{named::NamedArgs, unnamed::UnnamedArgs};
-use crate::attributes::{AttributeInfo, ErrorExt};
+use crate::attributes::{AttributeInfo, ErrorExt, ValidArgs, ValidArgsTypes, ValidNamedArgs};
 use cairo_lang_macro::Diagnostic;
 use cairo_lang_syntax::node::{
     ast::{ArgClause, Expr, OptionArgListParenthesized},
@@ -67,8 +67,33 @@ impl Arguments {
     }
 
     #[inline]
-    pub fn named_only<T: AttributeInfo>(&self) -> Result<&NamedArgs, Diagnostic> {
+    pub fn named_only<T: AttributeInfo + ValidArgs>(&self) -> Result<&NamedArgs, Diagnostic> {
         if self.shorthand.is_empty() && self.unnamed.is_empty() {
+            match T::VALID_ARGS {
+                ValidArgsTypes::Named(valid_named_args)
+                | ValidArgsTypes::Both { valid_named_args } => match valid_named_args {
+                    ValidNamedArgs::All => {}
+                    ValidNamedArgs::Restricted(valid_named_args) => {
+                        if let Some(arg) = self
+                            .named
+                            .iter()
+                            .map(|(arg, _)| arg)
+                            .find(|arg| !valid_named_args.contains(&arg.as_str()))
+                        {
+                            return Err(T::error(format!(
+                                "unsupported named argument \"{arg}\" provided",
+                            )));
+                        }
+                    }
+                },
+                ValidArgsTypes::Unnamed => panic!(
+                    "`named_only` arguments requested where only `Unnamed` arguments are valid"
+                ),
+                ValidArgsTypes::None => {
+                    panic!("`named_only` arguments requested where no arguments are valid")
+                }
+            }
+
             Ok(&self.named)
         } else {
             Err(T::error("can be used with named attributes only"))
@@ -76,8 +101,14 @@ impl Arguments {
     }
 
     #[inline]
-    pub fn unnamed_only<T: AttributeInfo>(&self) -> Result<UnnamedArgs, Diagnostic> {
+    pub fn unnamed_only<T: AttributeInfo + ValidArgs>(&self) -> Result<UnnamedArgs, Diagnostic> {
         if self.shorthand.is_empty() && self.named.is_empty() {
+            match T::VALID_ARGS {
+                ValidArgsTypes::Named(_) => panic!("`unnamed_arguments` arguments requested where only `Named` arguments are valid"),
+                ValidArgsTypes::Unnamed | ValidArgsTypes::Both { .. } => {},
+                ValidArgsTypes::None => panic!("`named_only` arguments requested where no arguments are valid")
+            }
+
             Ok(UnnamedArgs::new(&self.unnamed))
         } else {
             Err(T::error("can be used with unnamed attributes only"))
diff --git a/crates/snforge-scarb-plugin/src/attributes.rs b/crates/snforge-scarb-plugin/src/attributes.rs
index c90ac8097e..90b292bc91 100644
--- a/crates/snforge-scarb-plugin/src/attributes.rs
+++ b/crates/snforge-scarb-plugin/src/attributes.rs
@@ -18,7 +18,25 @@ pub trait AttributeTypeData {
     const CHEATCODE_NAME: &'static str;
 }
 
-pub trait AttributeCollector: AttributeInfo + AttributeTypeData {
+pub enum ValidNamedArgs<'a> {
+    All,
+    Restricted(&'a [&'a str]),
+}
+
+pub enum ValidArgsTypes<'a> {
+    Named(ValidNamedArgs<'a>),
+    Unnamed,
+    Both {
+        valid_named_args: ValidNamedArgs<'a>,
+    },
+    None,
+}
+
+pub trait ValidArgs {
+    const VALID_ARGS: ValidArgsTypes<'_>;
+}
+
+pub trait AttributeCollector: AttributeInfo + AttributeTypeData + ValidArgs {
     fn args_into_config_expression(
         db: &dyn SyntaxGroup,
         args: Arguments,
diff --git a/crates/snforge-scarb-plugin/src/attributes/available_gas.rs b/crates/snforge-scarb-plugin/src/attributes/available_gas.rs
index 01413f01e2..dc44558e32 100644
--- a/crates/snforge-scarb-plugin/src/attributes/available_gas.rs
+++ b/crates/snforge-scarb-plugin/src/attributes/available_gas.rs
@@ -1,3 +1,4 @@
+use crate::attributes::{ValidArgs, ValidArgsTypes};
 use crate::{
     args::Arguments,
     attributes::{AttributeCollector, AttributeInfo, AttributeTypeData},
@@ -18,6 +19,10 @@ impl AttributeTypeData for AvailableGasCollector {
     const CHEATCODE_NAME: &'static str = "set_config_available_gas";
 }
 
+impl ValidArgs for AvailableGasCollector {
+    const VALID_ARGS: ValidArgsTypes<'_> = ValidArgsTypes::Unnamed;
+}
+
 impl AttributeCollector for AvailableGasCollector {
     fn args_into_config_expression(
         db: &dyn SyntaxGroup,
diff --git a/crates/snforge-scarb-plugin/src/attributes/fork.rs b/crates/snforge-scarb-plugin/src/attributes/fork.rs
index 691e929bc6..982e6c8c5b 100644
--- a/crates/snforge-scarb-plugin/src/attributes/fork.rs
+++ b/crates/snforge-scarb-plugin/src/attributes/fork.rs
@@ -1,4 +1,5 @@
 use self::block_id::{BlockId, BlockIdVariants};
+use crate::attributes::{ValidArgs, ValidArgsTypes, ValidNamedArgs};
 use crate::{
     args::Arguments,
     attributes::{AttributeCollector, AttributeInfo, AttributeTypeData},
@@ -24,6 +25,17 @@ impl AttributeTypeData for ForkCollector {
     const CHEATCODE_NAME: &'static str = "set_config_fork";
 }
 
+impl ValidArgs for ForkCollector {
+    const VALID_ARGS: ValidArgsTypes<'_> = ValidArgsTypes::Both {
+        valid_named_args: ValidNamedArgs::Restricted(&[
+            "block_hash",
+            "block_number",
+            "block_tag",
+            "url",
+        ]),
+    };
+}
+
 impl AttributeCollector for ForkCollector {
     fn args_into_config_expression(
         db: &dyn SyntaxGroup,
diff --git a/crates/snforge-scarb-plugin/src/attributes/fuzzer.rs b/crates/snforge-scarb-plugin/src/attributes/fuzzer.rs
index 81527856f9..9f17bbe780 100644
--- a/crates/snforge-scarb-plugin/src/attributes/fuzzer.rs
+++ b/crates/snforge-scarb-plugin/src/attributes/fuzzer.rs
@@ -1,4 +1,4 @@
-use super::{AttributeInfo, AttributeTypeData};
+use super::{AttributeInfo, AttributeTypeData, ValidArgs, ValidArgsTypes, ValidNamedArgs};
 use crate::{
     args::Arguments,
     attributes::{AttributeCollector, ErrorExt},
@@ -20,6 +20,11 @@ impl AttributeTypeData for FuzzerCollector {
     const CHEATCODE_NAME: &'static str = "set_config_fuzzer";
 }
 
+impl ValidArgs for FuzzerCollector {
+    const VALID_ARGS: ValidArgsTypes<'_> =
+        ValidArgsTypes::Named(ValidNamedArgs::Restricted(&["seed", "runs"]));
+}
+
 impl AttributeCollector for FuzzerCollector {
     fn args_into_config_expression(
         db: &dyn SyntaxGroup,
diff --git a/crates/snforge-scarb-plugin/src/attributes/ignore.rs b/crates/snforge-scarb-plugin/src/attributes/ignore.rs
index ae4d633173..5bae5b7c79 100644
--- a/crates/snforge-scarb-plugin/src/attributes/ignore.rs
+++ b/crates/snforge-scarb-plugin/src/attributes/ignore.rs
@@ -1,4 +1,4 @@
-use super::{AttributeInfo, AttributeTypeData};
+use super::{AttributeInfo, AttributeTypeData, ValidArgs, ValidArgsTypes};
 use crate::{
     args::Arguments, attributes::AttributeCollector,
     config_statement::extend_with_config_cheatcodes,
@@ -16,6 +16,10 @@ impl AttributeTypeData for IgnoreCollector {
     const CHEATCODE_NAME: &'static str = "set_config_ignore";
 }
 
+impl ValidArgs for IgnoreCollector {
+    const VALID_ARGS: ValidArgsTypes<'_> = ValidArgsTypes::None;
+}
+
 impl AttributeCollector for IgnoreCollector {
     fn args_into_config_expression(
         _db: &dyn SyntaxGroup,
diff --git a/crates/snforge-scarb-plugin/src/attributes/should_panic.rs b/crates/snforge-scarb-plugin/src/attributes/should_panic.rs
index e1751370fe..684db44bfa 100644
--- a/crates/snforge-scarb-plugin/src/attributes/should_panic.rs
+++ b/crates/snforge-scarb-plugin/src/attributes/should_panic.rs
@@ -1,4 +1,5 @@
 use self::expected::Expected;
+use crate::attributes::{ValidArgs, ValidArgsTypes, ValidNamedArgs};
 use crate::{
     args::Arguments,
     attributes::{AttributeCollector, AttributeInfo, AttributeTypeData},
@@ -21,6 +22,11 @@ impl AttributeTypeData for ShouldPanicCollector {
     const CHEATCODE_NAME: &'static str = "set_config_should_panic";
 }
 
+impl ValidArgs for ShouldPanicCollector {
+    const VALID_ARGS: ValidArgsTypes<'_> =
+        ValidArgsTypes::Named(ValidNamedArgs::Restricted(&["expected"]));
+}
+
 impl AttributeCollector for ShouldPanicCollector {
     fn args_into_config_expression(
         db: &dyn SyntaxGroup,
diff --git a/crates/snforge-scarb-plugin/tests/integration/single_attributes/available_gas.rs b/crates/snforge-scarb-plugin/tests/integration/single_attributes/available_gas.rs
index 8f2c978de0..aca3263514 100644
--- a/crates/snforge-scarb-plugin/tests/integration/single_attributes/available_gas.rs
+++ b/crates/snforge-scarb-plugin/tests/integration/single_attributes/available_gas.rs
@@ -48,6 +48,21 @@ fn fails_with_non_number_literal() {
     );
 }
 
+#[test]
+fn fails_with_named() {
+    let item = TokenStream::new(EMPTY_FN.into());
+    let args = TokenStream::new(r#"(abc: "123")"#.into());
+
+    let result = available_gas(args, item);
+
+    assert_diagnostics(
+        &result,
+        &[Diagnostic::error(
+            "#[available_gas] can be used with unnamed attributes only",
+        )],
+    );
+}
+
 #[test]
 fn work_with_number() {
     let item = TokenStream::new(EMPTY_FN.into());
diff --git a/crates/snforge-scarb-plugin/tests/integration/single_attributes/fork.rs b/crates/snforge-scarb-plugin/tests/integration/single_attributes/fork.rs
index a92a4a02b4..4f2f5a46fa 100644
--- a/crates/snforge-scarb-plugin/tests/integration/single_attributes/fork.rs
+++ b/crates/snforge-scarb-plugin/tests/integration/single_attributes/fork.rs
@@ -89,6 +89,29 @@ fn fails_with_invalid_url() {
     );
 }
 
+#[test]
+fn fails_with_unknown_argument() {
+    let item = TokenStream::new(EMPTY_FN.into());
+    let args = TokenStream::new(
+        r#"(url: "http://example.com", block_number: 23, unknow_arg: "value")"#.into(),
+    );
+
+    let result = fork(args, item);
+
+    assert_diagnostics(
+        &result,
+        &[Diagnostic::error(formatdoc!(
+            "
+                All options failed
+                - variant: #[fork] unsupported named argument \"unknow_arg\" provided
+                - variant: #[fork] expected 1 arguments, got: 0
+                - variant: #[fork] can be used with unnamed attributes only
+                Resolve at least one of them
+            "
+        ))],
+    );
+}
+
 #[test]
 fn accepts_string() {
     let item = TokenStream::new(EMPTY_FN.into());
diff --git a/crates/snforge-scarb-plugin/tests/integration/single_attributes/fuzzer.rs b/crates/snforge-scarb-plugin/tests/integration/single_attributes/fuzzer.rs
index d2fed46a3d..fc82f2b1f2 100644
--- a/crates/snforge-scarb-plugin/tests/integration/single_attributes/fuzzer.rs
+++ b/crates/snforge-scarb-plugin/tests/integration/single_attributes/fuzzer.rs
@@ -142,6 +142,21 @@ fn fail_with_invalid_args() {
     );
 }
 
+#[test]
+fn fail_with_unknown_arg() {
+    let item = TokenStream::new(EMPTY_FN.into());
+    let args = TokenStream::new("(seed: 1234, runs: 20, unknown_arg: 50)".into());
+
+    let result = fuzzer(args, item);
+
+    assert_diagnostics(
+        &result,
+        &[Diagnostic::error(
+            "#[fuzzer] unsupported named argument \"unknown_arg\" provided",
+        )],
+    );
+}
+
 #[test]
 fn is_used_once() {
     let item = TokenStream::new(formatdoc!(
diff --git a/crates/snforge-scarb-plugin/tests/integration/single_attributes/should_panic.rs b/crates/snforge-scarb-plugin/tests/integration/single_attributes/should_panic.rs
index 9552cd048b..a9936c4d27 100644
--- a/crates/snforge-scarb-plugin/tests/integration/single_attributes/should_panic.rs
+++ b/crates/snforge-scarb-plugin/tests/integration/single_attributes/should_panic.rs
@@ -177,6 +177,21 @@ fn work_with_expected_tuple() {
     );
 }
 
+#[test]
+fn fail_with_unknown_args() {
+    let item = TokenStream::new(EMPTY_FN.into());
+    let args = TokenStream::new("(expected: 'abc', unknown_arg: 'value')".into());
+
+    let result = should_panic(args, item);
+
+    assert_diagnostics(
+        &result,
+        &[Diagnostic::error(
+            "#[should_panic] unsupported named argument \"unknown_arg\" provided",
+        )],
+    );
+}
+
 #[test]
 fn is_used_once() {
     let item = TokenStream::new(formatdoc!(