diff --git a/Cargo.lock b/Cargo.lock
index 94efbdf..f01f6b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,25 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "capnp"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18eca1b9aca7e3623dda158213b1b79c1e5c4293fbbf0ead6b9ed28a1763bbff"
+
+[[package]]
+name = "capnpc"
+version = "0.16.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b45a0c0b3fec59ba52fc3bb90ba34cb6444e20691faa07be1dabb80660e4ad0"
+dependencies = [
+ "capnp",
+]
+
 [[package]]
 name = "maple-chat"
 version = "0.1.0"
+dependencies = [
+ "capnp",
+ "capnpc",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 6c1efb5..f327d1c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,13 @@
 name = "maple-chat"
 version = "0.1.0"
 edition = "2021"
+build = "src/build.rs"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+capnp = "0.16"
+
+[build-dependencies]
+capnpc = "0.16"
+
diff --git a/src/build.rs b/src/build.rs
new file mode 100644
index 0000000..c1d72aa
--- /dev/null
+++ b/src/build.rs
@@ -0,0 +1,10 @@
+extern crate capnpc;
+
+fn main() {
+    capnpc::CompilerCommand::new()
+        .output_path("src/schema/")
+        .src_prefix("src/schema/")
+        .file("src/schema/protocol.capnp")
+        .run()
+        .unwrap();
+}
diff --git a/src/main.rs b/src/main.rs
index 5ad14bf..54ad54a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+use capnp::any_pointer::Builder;
 //Maple Chat, A simple chat app made with cap'n proto
 //Copyright (C) 2023  Roux Pupo
 //
@@ -13,7 +14,8 @@
 //
 //You should have received a copy of the GNU Affero General Public License
 //along with this program.  If not, see <https://www.gnu.org/licenses/>.
+use capnp::*;
+
 
 fn main() {
-    println!("Hello, world!");
 }
diff --git a/src/schema/protocol.capnp b/src/schema/protocol.capnp
new file mode 100644
index 0000000..2fb5f6d
--- /dev/null
+++ b/src/schema/protocol.capnp
@@ -0,0 +1,12 @@
+@0xd93f69a809989ffc;
+struct User {
+    name @0 :Text;
+    age @1 :UInt8;
+}
+
+struct Message {
+    sender @0: User;
+    reciever @1: List(User);
+    content @2: Text;
+    time @3: Int64;
+}
diff --git a/src/schema/protocol_capnp.rs b/src/schema/protocol_capnp.rs
new file mode 100644
index 0000000..4b6cf1d
--- /dev/null
+++ b/src/schema/protocol_capnp.rs
@@ -0,0 +1,481 @@
+// @generated by the capnpc-rust plugin to the Cap'n Proto schema compiler.
+// DO NOT EDIT.
+// source: protocol.capnp
+
+pub mod user {
+    #[derive(Copy, Clone)]
+    pub struct Owned(());
+    impl ::capnp::traits::Owned for Owned {
+        type Reader<'a> = Reader<'a>;
+        type Builder<'a> = Builder<'a>;
+    }
+    impl ::capnp::traits::OwnedStruct for Owned {
+        type Reader<'a> = Reader<'a>;
+        type Builder<'a> = Builder<'a>;
+    }
+    impl ::capnp::traits::Pipelined for Owned {
+        type Pipeline = Pipeline;
+    }
+
+    #[derive(Clone, Copy)]
+    pub struct Reader<'a> {
+        reader: ::capnp::private::layout::StructReader<'a>,
+    }
+
+    impl<'a> ::capnp::traits::HasTypeId for Reader<'a> {
+        const TYPE_ID: u64 = _private::TYPE_ID;
+    }
+    impl<'a> ::core::convert::From<::capnp::private::layout::StructReader<'a>> for Reader<'a> {
+        fn from(reader: ::capnp::private::layout::StructReader<'a>) -> Self {
+            Self { reader }
+        }
+    }
+
+    impl<'a> ::capnp::traits::FromPointerReader<'a> for Reader<'a> {
+        fn get_from_pointer(
+            reader: &::capnp::private::layout::PointerReader<'a>,
+            default: ::core::option::Option<&'a [capnp::Word]>,
+        ) -> ::capnp::Result<Self> {
+            ::core::result::Result::Ok(reader.get_struct(default)?.into())
+        }
+    }
+
+    impl<'a> ::capnp::traits::IntoInternalStructReader<'a> for Reader<'a> {
+        fn into_internal_struct_reader(self) -> ::capnp::private::layout::StructReader<'a> {
+            self.reader
+        }
+    }
+
+    impl<'a> ::capnp::traits::Imbue<'a> for Reader<'a> {
+        fn imbue(&mut self, cap_table: &'a ::capnp::private::layout::CapTable) {
+            self.reader
+                .imbue(::capnp::private::layout::CapTableReader::Plain(cap_table))
+        }
+    }
+
+    impl<'a> Reader<'a> {
+        pub fn reborrow(&self) -> Reader<'_> {
+            Self { ..*self }
+        }
+
+        pub fn total_size(&self) -> ::capnp::Result<::capnp::MessageSize> {
+            self.reader.total_size()
+        }
+        #[inline]
+        pub fn get_name(self) -> ::capnp::Result<::capnp::text::Reader<'a>> {
+            ::capnp::traits::FromPointerReader::get_from_pointer(
+                &self.reader.get_pointer_field(0),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn has_name(&self) -> bool {
+            !self.reader.get_pointer_field(0).is_null()
+        }
+        #[inline]
+        pub fn get_age(self) -> u8 {
+            self.reader.get_data_field::<u8>(0)
+        }
+    }
+
+    pub struct Builder<'a> {
+        builder: ::capnp::private::layout::StructBuilder<'a>,
+    }
+    impl<'a> ::capnp::traits::HasStructSize for Builder<'a> {
+        const STRUCT_SIZE: ::capnp::private::layout::StructSize =
+            ::capnp::private::layout::StructSize {
+                data: 1,
+                pointers: 1,
+            };
+    }
+    impl<'a> ::capnp::traits::HasTypeId for Builder<'a> {
+        const TYPE_ID: u64 = _private::TYPE_ID;
+    }
+    impl<'a> ::core::convert::From<::capnp::private::layout::StructBuilder<'a>> for Builder<'a> {
+        fn from(builder: ::capnp::private::layout::StructBuilder<'a>) -> Self {
+            Self { builder }
+        }
+    }
+
+    impl<'a> ::capnp::traits::ImbueMut<'a> for Builder<'a> {
+        fn imbue_mut(&mut self, cap_table: &'a mut ::capnp::private::layout::CapTable) {
+            self.builder
+                .imbue(::capnp::private::layout::CapTableBuilder::Plain(cap_table))
+        }
+    }
+
+    impl<'a> ::capnp::traits::FromPointerBuilder<'a> for Builder<'a> {
+        fn init_pointer(builder: ::capnp::private::layout::PointerBuilder<'a>, _size: u32) -> Self {
+            builder
+                .init_struct(<Self as ::capnp::traits::HasStructSize>::STRUCT_SIZE)
+                .into()
+        }
+        fn get_from_pointer(
+            builder: ::capnp::private::layout::PointerBuilder<'a>,
+            default: ::core::option::Option<&'a [capnp::Word]>,
+        ) -> ::capnp::Result<Self> {
+            ::core::result::Result::Ok(
+                builder
+                    .get_struct(
+                        <Self as ::capnp::traits::HasStructSize>::STRUCT_SIZE,
+                        default,
+                    )?
+                    .into(),
+            )
+        }
+    }
+
+    impl<'a> ::capnp::traits::SetPointerBuilder for Reader<'a> {
+        fn set_pointer_builder(
+            mut pointer: ::capnp::private::layout::PointerBuilder<'_>,
+            value: Self,
+            canonicalize: bool,
+        ) -> ::capnp::Result<()> {
+            pointer.set_struct(&value.reader, canonicalize)
+        }
+    }
+
+    impl<'a> Builder<'a> {
+        pub fn into_reader(self) -> Reader<'a> {
+            self.builder.into_reader().into()
+        }
+        pub fn reborrow(&mut self) -> Builder<'_> {
+            Builder {
+                builder: self.builder.reborrow(),
+            }
+        }
+        pub fn reborrow_as_reader(&self) -> Reader<'_> {
+            self.builder.as_reader().into()
+        }
+
+        pub fn total_size(&self) -> ::capnp::Result<::capnp::MessageSize> {
+            self.builder.as_reader().total_size()
+        }
+        #[inline]
+        pub fn get_name(self) -> ::capnp::Result<::capnp::text::Builder<'a>> {
+            ::capnp::traits::FromPointerBuilder::get_from_pointer(
+                self.builder.get_pointer_field(0),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn set_name(&mut self, value: ::capnp::text::Reader<'_>) {
+            self.builder.reborrow().get_pointer_field(0).set_text(value);
+        }
+        #[inline]
+        pub fn init_name(self, size: u32) -> ::capnp::text::Builder<'a> {
+            self.builder.get_pointer_field(0).init_text(size)
+        }
+        #[inline]
+        pub fn has_name(&self) -> bool {
+            !self.builder.is_pointer_field_null(0)
+        }
+        #[inline]
+        pub fn get_age(self) -> u8 {
+            self.builder.get_data_field::<u8>(0)
+        }
+        #[inline]
+        pub fn set_age(&mut self, value: u8) {
+            self.builder.set_data_field::<u8>(0, value);
+        }
+    }
+
+    pub struct Pipeline {
+        _typeless: ::capnp::any_pointer::Pipeline,
+    }
+    impl ::capnp::capability::FromTypelessPipeline for Pipeline {
+        fn new(typeless: ::capnp::any_pointer::Pipeline) -> Self {
+            Self {
+                _typeless: typeless,
+            }
+        }
+    }
+    impl Pipeline {}
+    mod _private {
+        pub const TYPE_ID: u64 = 0xaa1d_7a63_00c7_5ded;
+    }
+}
+
+pub mod message {
+    #[derive(Copy, Clone)]
+    pub struct Owned(());
+    impl ::capnp::traits::Owned for Owned {
+        type Reader<'a> = Reader<'a>;
+        type Builder<'a> = Builder<'a>;
+    }
+    impl ::capnp::traits::OwnedStruct for Owned {
+        type Reader<'a> = Reader<'a>;
+        type Builder<'a> = Builder<'a>;
+    }
+    impl ::capnp::traits::Pipelined for Owned {
+        type Pipeline = Pipeline;
+    }
+
+    #[derive(Clone, Copy)]
+    pub struct Reader<'a> {
+        reader: ::capnp::private::layout::StructReader<'a>,
+    }
+
+    impl<'a> ::capnp::traits::HasTypeId for Reader<'a> {
+        const TYPE_ID: u64 = _private::TYPE_ID;
+    }
+    impl<'a> ::core::convert::From<::capnp::private::layout::StructReader<'a>> for Reader<'a> {
+        fn from(reader: ::capnp::private::layout::StructReader<'a>) -> Self {
+            Self { reader }
+        }
+    }
+
+    impl<'a> ::capnp::traits::FromPointerReader<'a> for Reader<'a> {
+        fn get_from_pointer(
+            reader: &::capnp::private::layout::PointerReader<'a>,
+            default: ::core::option::Option<&'a [capnp::Word]>,
+        ) -> ::capnp::Result<Self> {
+            ::core::result::Result::Ok(reader.get_struct(default)?.into())
+        }
+    }
+
+    impl<'a> ::capnp::traits::IntoInternalStructReader<'a> for Reader<'a> {
+        fn into_internal_struct_reader(self) -> ::capnp::private::layout::StructReader<'a> {
+            self.reader
+        }
+    }
+
+    impl<'a> ::capnp::traits::Imbue<'a> for Reader<'a> {
+        fn imbue(&mut self, cap_table: &'a ::capnp::private::layout::CapTable) {
+            self.reader
+                .imbue(::capnp::private::layout::CapTableReader::Plain(cap_table))
+        }
+    }
+
+    impl<'a> Reader<'a> {
+        pub fn reborrow(&self) -> Reader<'_> {
+            Self { ..*self }
+        }
+
+        pub fn total_size(&self) -> ::capnp::Result<::capnp::MessageSize> {
+            self.reader.total_size()
+        }
+        #[inline]
+        pub fn get_sender(self) -> ::capnp::Result<crate::protocol_capnp::user::Reader<'a>> {
+            ::capnp::traits::FromPointerReader::get_from_pointer(
+                &self.reader.get_pointer_field(0),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn has_sender(&self) -> bool {
+            !self.reader.get_pointer_field(0).is_null()
+        }
+        #[inline]
+        pub fn get_reciever(
+            self,
+        ) -> ::capnp::Result<::capnp::struct_list::Reader<'a, crate::protocol_capnp::user::Owned>>
+        {
+            ::capnp::traits::FromPointerReader::get_from_pointer(
+                &self.reader.get_pointer_field(1),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn has_reciever(&self) -> bool {
+            !self.reader.get_pointer_field(1).is_null()
+        }
+        #[inline]
+        pub fn get_content(self) -> ::capnp::Result<::capnp::text::Reader<'a>> {
+            ::capnp::traits::FromPointerReader::get_from_pointer(
+                &self.reader.get_pointer_field(2),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn has_content(&self) -> bool {
+            !self.reader.get_pointer_field(2).is_null()
+        }
+        #[inline]
+        pub fn get_time(self) -> i64 {
+            self.reader.get_data_field::<i64>(0)
+        }
+    }
+
+    pub struct Builder<'a> {
+        builder: ::capnp::private::layout::StructBuilder<'a>,
+    }
+    impl<'a> ::capnp::traits::HasStructSize for Builder<'a> {
+        const STRUCT_SIZE: ::capnp::private::layout::StructSize =
+            ::capnp::private::layout::StructSize {
+                data: 1,
+                pointers: 3,
+            };
+    }
+    impl<'a> ::capnp::traits::HasTypeId for Builder<'a> {
+        const TYPE_ID: u64 = _private::TYPE_ID;
+    }
+    impl<'a> ::core::convert::From<::capnp::private::layout::StructBuilder<'a>> for Builder<'a> {
+        fn from(builder: ::capnp::private::layout::StructBuilder<'a>) -> Self {
+            Self { builder }
+        }
+    }
+
+    impl<'a> ::capnp::traits::ImbueMut<'a> for Builder<'a> {
+        fn imbue_mut(&mut self, cap_table: &'a mut ::capnp::private::layout::CapTable) {
+            self.builder
+                .imbue(::capnp::private::layout::CapTableBuilder::Plain(cap_table))
+        }
+    }
+
+    impl<'a> ::capnp::traits::FromPointerBuilder<'a> for Builder<'a> {
+        fn init_pointer(builder: ::capnp::private::layout::PointerBuilder<'a>, _size: u32) -> Self {
+            builder
+                .init_struct(<Self as ::capnp::traits::HasStructSize>::STRUCT_SIZE)
+                .into()
+        }
+        fn get_from_pointer(
+            builder: ::capnp::private::layout::PointerBuilder<'a>,
+            default: ::core::option::Option<&'a [capnp::Word]>,
+        ) -> ::capnp::Result<Self> {
+            ::core::result::Result::Ok(
+                builder
+                    .get_struct(
+                        <Self as ::capnp::traits::HasStructSize>::STRUCT_SIZE,
+                        default,
+                    )?
+                    .into(),
+            )
+        }
+    }
+
+    impl<'a> ::capnp::traits::SetPointerBuilder for Reader<'a> {
+        fn set_pointer_builder(
+            mut pointer: ::capnp::private::layout::PointerBuilder<'_>,
+            value: Self,
+            canonicalize: bool,
+        ) -> ::capnp::Result<()> {
+            pointer.set_struct(&value.reader, canonicalize)
+        }
+    }
+
+    impl<'a> Builder<'a> {
+        pub fn into_reader(self) -> Reader<'a> {
+            self.builder.into_reader().into()
+        }
+        pub fn reborrow(&mut self) -> Builder<'_> {
+            Builder {
+                builder: self.builder.reborrow(),
+            }
+        }
+        pub fn reborrow_as_reader(&self) -> Reader<'_> {
+            self.builder.as_reader().into()
+        }
+
+        pub fn total_size(&self) -> ::capnp::Result<::capnp::MessageSize> {
+            self.builder.as_reader().total_size()
+        }
+        #[inline]
+        pub fn get_sender(self) -> ::capnp::Result<crate::protocol_capnp::user::Builder<'a>> {
+            ::capnp::traits::FromPointerBuilder::get_from_pointer(
+                self.builder.get_pointer_field(0),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn set_sender(
+            &mut self,
+            value: crate::protocol_capnp::user::Reader<'_>,
+        ) -> ::capnp::Result<()> {
+            ::capnp::traits::SetPointerBuilder::set_pointer_builder(
+                self.builder.reborrow().get_pointer_field(0),
+                value,
+                false,
+            )
+        }
+        #[inline]
+        pub fn init_sender(self) -> crate::protocol_capnp::user::Builder<'a> {
+            ::capnp::traits::FromPointerBuilder::init_pointer(self.builder.get_pointer_field(0), 0)
+        }
+        #[inline]
+        pub fn has_sender(&self) -> bool {
+            !self.builder.is_pointer_field_null(0)
+        }
+        #[inline]
+        pub fn get_reciever(
+            self,
+        ) -> ::capnp::Result<::capnp::struct_list::Builder<'a, crate::protocol_capnp::user::Owned>>
+        {
+            ::capnp::traits::FromPointerBuilder::get_from_pointer(
+                self.builder.get_pointer_field(1),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn set_reciever(
+            &mut self,
+            value: ::capnp::struct_list::Reader<'a, crate::protocol_capnp::user::Owned>,
+        ) -> ::capnp::Result<()> {
+            ::capnp::traits::SetPointerBuilder::set_pointer_builder(
+                self.builder.reborrow().get_pointer_field(1),
+                value,
+                false,
+            )
+        }
+        #[inline]
+        pub fn init_reciever(
+            self,
+            size: u32,
+        ) -> ::capnp::struct_list::Builder<'a, crate::protocol_capnp::user::Owned> {
+            ::capnp::traits::FromPointerBuilder::init_pointer(
+                self.builder.get_pointer_field(1),
+                size,
+            )
+        }
+        #[inline]
+        pub fn has_reciever(&self) -> bool {
+            !self.builder.is_pointer_field_null(1)
+        }
+        #[inline]
+        pub fn get_content(self) -> ::capnp::Result<::capnp::text::Builder<'a>> {
+            ::capnp::traits::FromPointerBuilder::get_from_pointer(
+                self.builder.get_pointer_field(2),
+                ::core::option::Option::None,
+            )
+        }
+        #[inline]
+        pub fn set_content(&mut self, value: ::capnp::text::Reader<'_>) {
+            self.builder.reborrow().get_pointer_field(2).set_text(value);
+        }
+        #[inline]
+        pub fn init_content(self, size: u32) -> ::capnp::text::Builder<'a> {
+            self.builder.get_pointer_field(2).init_text(size)
+        }
+        #[inline]
+        pub fn has_content(&self) -> bool {
+            !self.builder.is_pointer_field_null(2)
+        }
+        #[inline]
+        pub fn get_time(self) -> i64 {
+            self.builder.get_data_field::<i64>(0)
+        }
+        #[inline]
+        pub fn set_time(&mut self, value: i64) {
+            self.builder.set_data_field::<i64>(0, value);
+        }
+    }
+
+    pub struct Pipeline {
+        _typeless: ::capnp::any_pointer::Pipeline,
+    }
+    impl ::capnp::capability::FromTypelessPipeline for Pipeline {
+        fn new(typeless: ::capnp::any_pointer::Pipeline) -> Self {
+            Self {
+                _typeless: typeless,
+            }
+        }
+    }
+    impl Pipeline {
+        pub fn get_sender(&self) -> crate::protocol_capnp::user::Pipeline {
+            ::capnp::capability::FromTypelessPipeline::new(self._typeless.get_pointer_field(0))
+        }
+    }
+    mod _private {
+        pub const TYPE_ID: u64 = 0xa8c3_12bc_6f70_3fa1;
+    }
+}