diff --git a/Cargo.lock b/Cargo.lock
index 1e5ce5ae1a..79cb2c0674 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2023,6 +2023,7 @@ dependencies = [
  "cairo-lang-test-utils",
  "cairo-lang-utils",
  "camino",
+ "convert_case 0.6.0",
  "dojo-test-utils",
  "dojo-world",
  "env_logger 0.10.0",
@@ -2111,6 +2112,7 @@ dependencies = [
  "cairo-lang-project",
  "cairo-lang-starknet",
  "camino",
+ "convert_case 0.6.0",
  "dojo-lang",
  "dojo-test-utils",
  "reqwest",
diff --git a/Cargo.toml b/Cargo.toml
index 07912550a5..214a2ec057 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,6 +53,7 @@ chrono = { version = "0.4.24", features = [ "serde" ] }
 clap = { version = "4.2", features = [ "derive" ] }
 colored = "2"
 console = "0.15.7"
+convert_case = "0.6.0"
 env_logger = "0.10.0"
 flate2 = "1.0.24"
 indoc = "1.0.7"
diff --git a/crates/dojo-core/src/world.cairo b/crates/dojo-core/src/world.cairo
index 4832db66f9..ee37b660f9 100644
--- a/crates/dojo-core/src/world.cairo
+++ b/crates/dojo-core/src/world.cairo
@@ -480,7 +480,7 @@ mod World {
 }
 
 #[system]
-mod LibraryCall {
+mod library_call {
     fn execute(
         class_hash: starknet::ClassHash, entrypoint: felt252, calladata: Span<felt252>
     ) -> Span<felt252> {
diff --git a/crates/dojo-core/tests/src/world.cairo b/crates/dojo-core/tests/src/world.cairo
index a7aa1505ea..b84380189b 100644
--- a/crates/dojo-core/tests/src/world.cairo
+++ b/crates/dojo-core/tests/src/world.cairo
@@ -15,7 +15,7 @@ use dojo::interfaces::IWorldDispatcher;
 use dojo::interfaces::IWorldDispatcherTrait;
 use dojo::executor::Executor;
 use dojo::world::World;
-use dojo::world::LibraryCall;
+use dojo::world::library_call;
 
 // Components and Systems
 
@@ -74,7 +74,7 @@ fn test_component() {
     let name = 'Foo'.into();
     let world = deploy_world();
 
-    world.register_component(FooComponent::TEST_CLASS_HASH.try_into().unwrap());
+    world.register_component(foo::TEST_CLASS_HASH.try_into().unwrap());
     let mut data = ArrayTrait::new();
     data.append(1337);
     let id = world.uuid();
@@ -89,7 +89,7 @@ fn test_component_with_partition() {
     let name = 'Foo'.into();
     let world = deploy_world();
 
-    world.register_component(FooComponent::TEST_CLASS_HASH.try_into().unwrap());
+    world.register_component(foo::TEST_CLASS_HASH.try_into().unwrap());
     let mut data = ArrayTrait::new();
     data.append(1337);
     let id = world.uuid();
@@ -107,7 +107,7 @@ fn test_system() {
     let world = spawn_empty_world();
 
     world.register_system(Bar::TEST_CLASS_HASH.try_into().unwrap());
-    world.register_component(FooComponent::TEST_CLASS_HASH.try_into().unwrap());
+    world.register_component(foo::TEST_CLASS_HASH.try_into().unwrap());
     let mut data = ArrayTrait::new();
     data.append(1337);
     data.append(1337);
@@ -135,7 +135,7 @@ fn test_set_entity_admin() {
     let world = spawn_empty_world();
 
     world.register_system(Bar::TEST_CLASS_HASH.try_into().unwrap());
-    world.register_component(FooComponent::TEST_CLASS_HASH.try_into().unwrap());
+    world.register_component(foo::TEST_CLASS_HASH.try_into().unwrap());
 
     let alice = starknet::contract_address_const::<0x1337>();
     starknet::testing::set_contract_address(alice);
@@ -158,7 +158,7 @@ fn test_set_entity_unauthorized() {
     let world = spawn_empty_world();
 
     world.register_system(Bar::TEST_CLASS_HASH.try_into().unwrap());
-    world.register_component(FooComponent::TEST_CLASS_HASH.try_into().unwrap());
+    world.register_component(foo::TEST_CLASS_HASH.try_into().unwrap());
 
     let caller = starknet::contract_address_const::<0x1337>();
     starknet::testing::set_account_contract_address(caller);
@@ -178,7 +178,7 @@ fn test_set_entity_directly() {
     let world = spawn_empty_world();
 
     world.register_system(Bar::TEST_CLASS_HASH.try_into().unwrap());
-    world.register_component(FooComponent::TEST_CLASS_HASH.try_into().unwrap());
+    world.register_component(foo::TEST_CLASS_HASH.try_into().unwrap());
 
     // Change Foo component directly
     let id = world.uuid();
@@ -218,12 +218,12 @@ fn test_library_call_system() {
     // Spawn empty world
     let world = spawn_empty_world();
 
-    world.register_system(LibraryCall::TEST_CLASS_HASH.try_into().unwrap());
+    world.register_system(library_call::TEST_CLASS_HASH.try_into().unwrap());
     let mut calldata = ArrayTrait::new();
-    calldata.append(FooComponent::TEST_CLASS_HASH);
+    calldata.append(foo::TEST_CLASS_HASH);
     calldata.append(0x011efd13169e3bceace525b23b7f968b3cc611248271e35f04c5c917311fc7f7);
     calldata.append(0);
-    world.execute('LibraryCall'.into(), calldata.span());
+    world.execute('library_call'.into(), calldata.span());
 }
 
 #[test]
diff --git a/crates/dojo-core/tests/src/world_factory.cairo b/crates/dojo-core/tests/src/world_factory.cairo
index 4ce1a8cabf..720b606242 100644
--- a/crates/dojo-core/tests/src/world_factory.cairo
+++ b/crates/dojo-core/tests/src/world_factory.cairo
@@ -25,7 +25,7 @@ struct Foo {
 }
 
 #[system]
-mod Bar {
+mod bar {
     use super::Foo;
 
     fn execute(foo: Foo) -> Foo {
@@ -80,10 +80,10 @@ fn test_spawn_world() {
 
     // Prepare components and systems
     let mut systems: Array<ClassHash> = array::ArrayTrait::new();
-    systems.append(Bar::TEST_CLASS_HASH.try_into().unwrap());
+    systems.append(bar::TEST_CLASS_HASH.try_into().unwrap());
 
     let mut components: Array<ClassHash> = array::ArrayTrait::new();
-    components.append(FooComponent::TEST_CLASS_HASH.try_into().unwrap());
+    components.append(foo::TEST_CLASS_HASH.try_into().unwrap());
 
     // Spawn World from WorldFactory
     let world_address = factory.spawn(components, systems);
@@ -92,9 +92,9 @@ fn test_spawn_world() {
     // Check Foo component and Bar system are registered
     let foo_hash = world.component('Foo'.into());
     assert(
-        foo_hash == FooComponent::TEST_CLASS_HASH.try_into().unwrap(), 'component not registered'
+        foo_hash == foo::TEST_CLASS_HASH.try_into().unwrap(), 'component not registered'
     );
 
-    let bar_hash = world.system('Bar'.into());
-    assert(bar_hash == Bar::TEST_CLASS_HASH.try_into().unwrap(), 'system not registered');
+    let bar_hash = world.system('bar'.into());
+    assert(bar_hash == bar::TEST_CLASS_HASH.try_into().unwrap(), 'system not registered');
 }
diff --git a/crates/dojo-lang/Cargo.toml b/crates/dojo-lang/Cargo.toml
index 4a2c489c3e..0455cd8dc5 100644
--- a/crates/dojo-lang/Cargo.toml
+++ b/crates/dojo-lang/Cargo.toml
@@ -26,6 +26,7 @@ cairo-lang-sierra-generator.workspace = true
 cairo-lang-syntax.workspace = true
 cairo-lang-starknet.workspace = true
 cairo-lang-utils.workspace = true
+convert_case.workspace = true
 dojo-world = { path = "../dojo-world" }
 itertools.workspace = true
 scarb.workspace = true
diff --git a/crates/dojo-lang/src/compiler.rs b/crates/dojo-lang/src/compiler.rs
index dfed5b226a..267008a13e 100644
--- a/crates/dojo-lang/src/compiler.rs
+++ b/crates/dojo-lang/src/compiler.rs
@@ -61,7 +61,7 @@ impl Compiler for DojoCompiler {
         for (decl, class) in zip(contracts, classes) {
             let target_name = &unit.target().name;
             let contract_name = decl.submodule_id.name(db.upcast_mut());
-            let file_name = format!("{target_name}_{contract_name}.json");
+            let file_name = format!("{target_name}-{contract_name}.json");
 
             let mut file = target_dir.open_rw(file_name.clone(), "output file", ws.config())?;
             serde_json::to_writer_pretty(file.deref_mut(), &class)
diff --git a/crates/dojo-lang/src/component.rs b/crates/dojo-lang/src/component.rs
index eb523b7d83..044a358d0b 100644
--- a/crates/dojo-lang/src/component.rs
+++ b/crates/dojo-lang/src/component.rs
@@ -7,6 +7,7 @@ use cairo_lang_syntax::node::db::SyntaxGroup;
 use cairo_lang_syntax::node::helpers::QueryAttrs;
 use cairo_lang_syntax::node::{ast, Terminal, TypedSyntaxNode};
 use cairo_lang_utils::unordered_hash_map::UnorderedHashMap;
+use convert_case::{Case, Casing};
 use dojo_world::manifest::Member;
 
 use crate::plugin::{Component, DojoAuxData};
@@ -105,7 +106,7 @@ pub fn handle_component_struct(
             }
 
             #[starknet::contract]
-            mod $type_name$Component {
+            mod $contract_name$ {
                 use super::$type_name$;
 
                 #[storage]
@@ -122,6 +123,7 @@ pub fn handle_component_struct(
             }
         ",
         UnorderedHashMap::from([
+            ("contract_name".to_string(), RewriteNode::Text(name.to_case(Case::Snake))),
             (
                 "type_name".to_string(),
                 RewriteNode::new_trimmed(struct_ast.name(db).as_syntax_node()),
diff --git a/crates/dojo-lang/src/manifest.rs b/crates/dojo-lang/src/manifest.rs
index 4d4aecd0dc..5b53ca43c5 100644
--- a/crates/dojo-lang/src/manifest.rs
+++ b/crates/dojo-lang/src/manifest.rs
@@ -5,6 +5,7 @@ use cairo_lang_defs::ids::{ModuleId, ModuleItemId};
 use cairo_lang_filesystem::ids::CrateId;
 use cairo_lang_semantic::db::SemanticGroup;
 use cairo_lang_semantic::plugin::DynPluginAuxData;
+use convert_case::{Case, Casing};
 use dojo_world::manifest::{Contract, Input, Output, System};
 use itertools::Itertools;
 use serde::Serialize;
@@ -75,8 +76,8 @@ impl Manifest {
                 // It needs the `Component` suffix because we are
                 // searching from the compiled contracts.
                 let class_hash = compiled_classes
-                    .get(format!("{name}Component").as_str())
-                    .with_context(|| format!("Contract {name} not found in target."))
+                    .get(name.to_case(Case::Snake).as_str())
+                    .with_context(|| format!("Component {name} not found in target."))
                     .unwrap();
 
                 self.0.components.push(dojo_world::manifest::Component {
@@ -130,7 +131,7 @@ impl Manifest {
 
                     let class_hash = compiled_classes
                         .get(name.as_str())
-                        .with_context(|| format!("Contract {name} not found in target."))
+                        .with_context(|| format!("System {name} not found in target."))
                         .unwrap();
 
                     self.0.systems.push(System {
diff --git a/crates/dojo-lang/src/plugin_test_data/component b/crates/dojo-lang/src/plugin_test_data/component
index d267231bd2..929a82b4c0 100644
--- a/crates/dojo-lang/src/plugin_test_data/component
+++ b/crates/dojo-lang/src/plugin_test_data/component
@@ -73,7 +73,7 @@ trait IPosition<T> {
 }
 
 #[starknet::contract]
-mod PositionComponent {
+mod position {
     use super::Position;
 
     #[storage]
@@ -116,7 +116,7 @@ trait IRoles<T> {
 }
 
 #[starknet::contract]
-mod RolesComponent {
+mod roles {
     use super::Roles;
 
     #[storage]
@@ -158,7 +158,7 @@ trait IPlayer<T> {
 }
 
 #[starknet::contract]
-mod PlayerComponent {
+mod player {
     use super::Player;
 
     #[storage]
diff --git a/crates/dojo-lang/src/plugin_test_data/system b/crates/dojo-lang/src/plugin_test_data/system
index 4bbfc44600..e069cb5196 100644
--- a/crates/dojo-lang/src/plugin_test_data/system
+++ b/crates/dojo-lang/src/plugin_test_data/system
@@ -20,7 +20,7 @@ struct Player {
 }
 
 #[system]
-mod Spawn {
+mod spawn {
     use traits::Into;
     use dojo::world::Context;
     use super::Position;
@@ -67,7 +67,7 @@ mod Spawn {
 }
 
 #[system]
-mod Move {
+mod move {
     use traits::Into;
     use array::ArrayTrait;
     use dojo::world::Context;
@@ -136,7 +136,7 @@ mod Move {
 
         let mut calldata = ArrayTrait::new();
         calldata.append('name');
-        execute!(ctx.world, SpawnSystem, 'PositionPlayerWriter'.into(), calldata.span());
+        execute!(ctx.world, spawn, 'PositionPlayerWriter'.into(), calldata.span());
 
         // move_inner(@positions_query, 0_u32, positions_query.len());
 
@@ -162,7 +162,7 @@ mod Move {
 }
 
 #[system]
-mod Proxy {
+mod proxy {
     fn execute(value: felt252) -> felt252 {
         value
     }
@@ -185,7 +185,7 @@ trait IPosition<T> {
 }
 
 #[starknet::contract]
-mod PositionComponent {
+mod position {
     use super::Position;
 
     #[storage]
@@ -228,7 +228,7 @@ trait IPlayer<T> {
 }
 
 #[starknet::contract]
-mod PlayerComponent {
+mod player {
     use super::Player;
 
     #[storage]
@@ -260,7 +260,7 @@ mod PlayerComponent {
 }
 
 #[starknet::contract]
-mod Spawn {
+mod spawn {
     use option::OptionTrait;
     use array::SpanTrait;
 
@@ -281,7 +281,7 @@ mod Spawn {
 
     #[external(v0)]
     fn name(self: @ContractState) -> felt252 {
-        'Spawn'
+        'spawn'
     }
 
     #[external(v0)]
@@ -400,7 +400,7 @@ mod Spawn {
 }
 
 #[starknet::contract]
-mod Move {
+mod move {
     use option::OptionTrait;
     use array::SpanTrait;
 
@@ -421,7 +421,7 @@ mod Move {
 
     #[external(v0)]
     fn name(self: @ContractState) -> felt252 {
-        'Move'
+        'move'
     }
 
     #[external(v0)]
@@ -901,7 +901,7 @@ mod Move {
 
         let mut calldata = ArrayTrait::new();
         calldata.append('name');
-        ctx.world.execute('SpawnSystem', calldata.span());
+        ctx.world.execute('spawn', calldata.span());
 
         let mut i = 0;
         loop {
@@ -939,7 +939,7 @@ mod Move {
 }
 
 #[starknet::contract]
-mod Proxy {
+mod proxy {
     use option::OptionTrait;
     use array::SpanTrait;
 
@@ -960,7 +960,7 @@ mod Proxy {
 
     #[external(v0)]
     fn name(self: @ContractState) -> felt252 {
-        'Proxy'
+        'proxy'
     }
 
     #[external(v0)]
diff --git a/crates/dojo-world/Cargo.toml b/crates/dojo-world/Cargo.toml
index f7ec3508dc..54da12af2c 100644
--- a/crates/dojo-world/Cargo.toml
+++ b/crates/dojo-world/Cargo.toml
@@ -13,6 +13,7 @@ cairo-lang-filesystem.workspace = true
 cairo-lang-project.workspace = true
 cairo-lang-starknet.workspace = true
 camino.workspace = true
+convert_case.workspace = true
 reqwest = { version = "0.11.18", default-features = false, features = [
     "rustls-tls",
 ] }
diff --git a/crates/dojo-world/src/component.rs b/crates/dojo-world/src/component.rs
index 16268d4f17..2ec47bc04e 100644
--- a/crates/dojo-world/src/component.rs
+++ b/crates/dojo-world/src/component.rs
@@ -72,7 +72,7 @@ impl<'a, P: Provider + Sync> ComponentReader<'a, P> {
         let res = self
             .world
             .call(
-                "LibraryCall",
+                "library_call",
                 vec![FieldElement::THREE, self.class_hash, entrypoint, FieldElement::ZERO],
                 block_id,
             )
diff --git a/crates/dojo-world/src/component_test.rs b/crates/dojo-world/src/component_test.rs
index 3307399ae6..d4c9c1dd74 100644
--- a/crates/dojo-world/src/component_test.rs
+++ b/crates/dojo-world/src/component_test.rs
@@ -25,7 +25,7 @@ async fn test_component() {
     assert_eq!(
         component.class_hash(),
         FieldElement::from_hex_be(
-            "0x03a51494efe5416272b29bee6a95d21c2742d9a8a132fd98216f6b2c00f8304d"
+            "0x0669ea11a6f52d1330f76322e0c2393fb72a73e0cbc05359854f2a539743d000"
         )
         .unwrap()
     );
diff --git a/crates/dojo-world/src/migration/strategy.rs b/crates/dojo-world/src/migration/strategy.rs
index aac9b8159f..54cc102789 100644
--- a/crates/dojo-world/src/migration/strategy.rs
+++ b/crates/dojo-world/src/migration/strategy.rs
@@ -3,6 +3,7 @@ use std::fs;
 use std::path::{Path, PathBuf};
 
 use anyhow::{anyhow, Context, Result};
+use convert_case::{Case, Casing};
 use starknet::core::types::FieldElement;
 
 use super::class::{ClassDiff, ClassMigration};
@@ -96,7 +97,7 @@ where
             continue;
         }
 
-        let name = file_name_str.split('_').last().unwrap().trim_end_matches(".json").to_string();
+        let name = file_name_str.split('-').last().unwrap().trim_end_matches(".json").to_string();
 
         artifact_paths.insert(name, entry.path());
     }
@@ -147,7 +148,8 @@ fn evaluate_components_to_migrate(
         match c.remote {
             Some(remote) if remote == c.local && !world_contract_will_migrate => continue,
             _ => {
-                let path = find_artifact_path(&format!("{}Component", c.name), artifact_paths)?;
+                let path =
+                    find_artifact_path(c.name.to_case(Case::Snake).as_str(), artifact_paths)?;
                 comps_to_migrate
                     .push(ClassMigration { diff: c.clone(), artifact_path: path.clone() });
             }
diff --git a/crates/dojo-world/src/system.rs b/crates/dojo-world/src/system.rs
index a3110dc554..496f02883a 100644
--- a/crates/dojo-world/src/system.rs
+++ b/crates/dojo-world/src/system.rs
@@ -156,7 +156,7 @@ impl<'a, P: Provider + Sync> SystemReader<'a, P> {
         let res = self
             .world
             .call(
-                "LibraryCall",
+                "library_call",
                 vec![FieldElement::THREE, self.class_hash, entrypoint, FieldElement::ZERO],
                 block_id,
             )
diff --git a/crates/dojo-world/src/system_test.rs b/crates/dojo-world/src/system_test.rs
index 08c53bc478..f617037cda 100644
--- a/crates/dojo-world/src/system_test.rs
+++ b/crates/dojo-world/src/system_test.rs
@@ -20,7 +20,7 @@ async fn test_system() {
 
     let block_id: BlockId = BlockId::Tag(BlockTag::Latest);
     let world = WorldContract::new(world_address, &account);
-    let spawn = world.system("Spawn", block_id).await.unwrap();
+    let spawn = world.system("spawn", block_id).await.unwrap();
     let dependencies = spawn.dependencies(block_id).await.unwrap();
     assert_eq!(
         dependencies,
@@ -38,7 +38,7 @@ async fn test_system() {
 
     assert_eq!(moves, vec![10_u8.into()]);
 
-    let move_system = world.system("Move", block_id).await.unwrap();
+    let move_system = world.system("move", block_id).await.unwrap();
 
     let _ = move_system.execute(vec![FieldElement::ONE]).await.unwrap();
     let _ = move_system.execute(vec![FieldElement::THREE]).await.unwrap();
diff --git a/examples/ecs/README.md b/examples/ecs/README.md
index a388714b03..d0e9cb13d7 100644
--- a/examples/ecs/README.md
+++ b/examples/ecs/README.md
@@ -29,7 +29,7 @@ sozo component entity --world 0xeb752067993e3e1903ba501267664b4ef2f1e40f629a17a0
 
 # The returned value is 0 since we haven't spawned yet. Let's spawn
 # a player for the caller
-sozo execute --world 0xeb752067993e3e1903ba501267664b4ef2f1e40f629a17a0180367e4f68428 Spawn
+sozo execute --world 0xeb752067993e3e1903ba501267664b4ef2f1e40f629a17a0180367e4f68428 spawn
 
 # Fetch the updated entity
 sozo component entity --world 0xeb752067993e3e1903ba501267664b4ef2f1e40f629a17a0180367e4f68428 Moves 0x3ee9e18edc71a6df30ac3aca2e0b02a198fbce19b7480a63a0d71cbd76652e0
diff --git a/examples/ecs/src/systems.cairo b/examples/ecs/src/systems.cairo
index c9834f7c07..8893a88005 100644
--- a/examples/ecs/src/systems.cairo
+++ b/examples/ecs/src/systems.cairo
@@ -1,5 +1,5 @@
 #[system]
-mod Spawn {
+mod spawn {
     use array::ArrayTrait;
     use box::BoxTrait;
     use traits::Into;
@@ -17,7 +17,7 @@ mod Spawn {
 }
 
 #[system]
-mod Move {
+mod move {
     use array::ArrayTrait;
     use box::BoxTrait;
     use traits::Into;
@@ -83,10 +83,10 @@ mod tests {
 
     use dojo::test_utils::spawn_test_world;
 
-    use dojo_examples::components::PositionComponent;
-    use dojo_examples::components::MovesComponent;
-    use dojo_examples::systems::Spawn;
-    use dojo_examples::systems::Move;
+    use dojo_examples::components::position;
+    use dojo_examples::components::moves;
+    use dojo_examples::systems::spawn;
+    use dojo_examples::systems::move;
 
     #[test]
     #[available_gas(30000000)]
@@ -95,27 +95,27 @@ mod tests {
 
         // components
         let mut components = array::ArrayTrait::new();
-        components.append(PositionComponent::TEST_CLASS_HASH);
-        components.append(MovesComponent::TEST_CLASS_HASH);
+        components.append(position::TEST_CLASS_HASH);
+        components.append(moves::TEST_CLASS_HASH);
         // systems
         let mut systems = array::ArrayTrait::new();
-        systems.append(Spawn::TEST_CLASS_HASH);
-        systems.append(Move::TEST_CLASS_HASH);
+        systems.append(spawn::TEST_CLASS_HASH);
+        systems.append(move::TEST_CLASS_HASH);
 
         // deploy executor, world and register components/systems
         let world = spawn_test_world(components, systems);
 
         let spawn_call_data = array::ArrayTrait::new();
-        world.execute('Spawn'.into(), spawn_call_data.span());
+        world.execute('spawn'.into(), spawn_call_data.span());
 
         let mut move_calldata = array::ArrayTrait::new();
-        move_calldata.append(Move::Direction::Right(()).into());
-        world.execute('Move'.into(), move_calldata.span());
+        move_calldata.append(move::Direction::Right(()).into());
+        world.execute('move'.into(), move_calldata.span());
 
         let moves = world.entity('Moves'.into(), caller.into(), 0, 0);
         assert(*moves[0] == 9, 'moves is wrong');
-    // let new_position = world.entity('Position'.into(), caller.into(), 0, 0);
-    // assert(*new_position[0] == 1, 'position x is wrong');
-    // assert(*new_position[1] == 0, 'position y is wrong');
+        let new_position = world.entity('Position'.into(), caller.into(), 0, 0);
+        assert(*new_position[0] == 1, 'position x is wrong');
+        assert(*new_position[1] == 0, 'position y is wrong');
     }
 }
diff --git a/packages/core/src/types/index.ts b/packages/core/src/types/index.ts
index 56f289f914..59fb7d8e4d 100644
--- a/packages/core/src/types/index.ts
+++ b/packages/core/src/types/index.ts
@@ -39,7 +39,7 @@ export interface ICommands {
 
 // examples types - TODO: These should be codegen'd from the manifest
 export type ComponentNames = "" | "Moves" | "Position" | "AuthStatus" | "AuthRole";
-export type SystemNames = "" | "SpawnSystem" | "MoveSystem" | "RouteAuthSystem" | "IsAccountAdminSystem" | "IsAuthorizedSystem" | "GrantAuthRoleSystem" | "GrantScopedAuthRoleSystem" | "GrantResourceSystem" | "RevokeAuthRoleSystem" | "RevokeScopedAuthRoleSystem" | "RevokeResourceSystem";
+export type SystemNames = "" | "spawn" | "move";
 
 
 export type ExecuteState = 'idle' | 'loading' | 'done' | 'error'
diff --git a/packages/examples/react-example/src/dojo/createSystemCalls.ts b/packages/examples/react-example/src/dojo/createSystemCalls.ts
index 6826678be0..5a244198c9 100644
--- a/packages/examples/react-example/src/dojo/createSystemCalls.ts
+++ b/packages/examples/react-example/src/dojo/createSystemCalls.ts
@@ -13,7 +13,7 @@ export function createSystemCalls(
     { execute, syncWorker }: SetupNetworkResult,
 ) {
     const spawn = async () => {
-        const tx = await execute("Spawn", []);
+        const tx = await execute("spawn", []);
         // await awaitStreamValue(txReduced$, (txHash) => txHash === tx.transaction_hash);
         syncWorker.sync(tx.transaction_hash);
         
@@ -21,7 +21,7 @@ export function createSystemCalls(
 
     const move = async (direction: Direction) => {
         // execute from core
-        const tx = await execute("Move", [direction]);
+        const tx = await execute("move", [direction]);
         // awaitStreamValue(txReduced$, (txHash) => txHash === tx.transaction_hash);
         syncWorker.sync(tx.transaction_hash);
       };