diff --git a/.github/workflows/starknet_p2p_specs_ci.yml b/.github/workflows/starknet_p2p_specs_ci.yml
new file mode 100644
index 0000000..11a7618
--- /dev/null
+++ b/.github/workflows/starknet_p2p_specs_ci.yml
@@ -0,0 +1,70 @@
+name: Starknet-P2p-Specs-CI
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches:
+      - '*'
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - auto_merge_enabled
+      - edited
+
+env:
+  PROTOC_VERSION: v25.1
+
+jobs:
+  compile-protos:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - uses: Noelware/setup-protoc@1.1.0
+        with:
+          version: ${{env.PROTOC_VERSION}}
+
+      - name: Find .proto files
+        id: find-protos
+        run: |
+          proto_files=$(find . -name "*.proto")
+          if [ -z "$proto_files" ]; then
+            echo "No .proto files found."
+            exit 1
+          fi
+          echo "Found the following .proto files:"
+          echo "$proto_files"
+          # Save the list as an output
+          echo "proto_files=$(echo "$proto_files" | tr '\n' ' ')" >> $GITHUB_OUTPUT
+
+      - name: Validate Rust compatibility
+        run: |
+          for file in ${{ steps.find-protos.outputs.proto_files }}; do
+            echo "Compiling $file"
+            protoc --fatal_warnings --rust_out=experimental-codegen=enabled,kernel=upb:$(mktemp -d) $file
+          done
+
+      - name: Validate Python compatibility
+        run: |
+          for file in ${{ steps.find-protos.outputs.proto_files }}; do
+            echo "Compiling $file"
+            protoc --fatal_warnings --python_out=$(mktemp -d) $file
+          done
+
+      - name: Validate C++ compatibility
+        run: |
+          for file in ${{ steps.find-protos.outputs.proto_files }}; do
+            echo "Compiling $file"
+            protoc --fatal_warnings --cpp_out=$(mktemp -d) $file
+          done
+
+      - name: Validate GO compatibility
+        run: |
+          go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+          export PATH=$PATH:$(go env GOPATH)/bin
+          for file in ${{ steps.find-protos.outputs.proto_files }}; do
+            echo "Compiling $file"
+            protoc --fatal_warnings --go_out=$(mktemp -d) --go_opt=paths=source_relative $file
+          done
diff --git a/p2p/proto/capabilities.proto b/p2p/proto/capabilities.proto
index 50b39ec..caa8e41 100644
--- a/p2p/proto/capabilities.proto
+++ b/p2p/proto/capabilities.proto
@@ -1,4 +1,6 @@
-import "p2p/proto/common.proto";
+syntax = "proto3";
+
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/capabilities";
 
 // A capability for one of the following protocols:
 // 1. /starknet/headers/
diff --git a/p2p/proto/class.proto b/p2p/proto/class.proto
index f63a0b4..4fc1be5 100644
--- a/p2p/proto/class.proto
+++ b/p2p/proto/class.proto
@@ -1,6 +1,7 @@
 syntax = "proto3";
 import "p2p/proto/common.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/class";
 
 message EntryPoint {
     Felt252 selector = 1;
diff --git a/p2p/proto/common.proto b/p2p/proto/common.proto
index d6c2d34..b8fdf7c 100644
--- a/p2p/proto/common.proto
+++ b/p2p/proto/common.proto
@@ -1,5 +1,7 @@
 syntax = "proto3";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/common";
+
 message Felt252 {
     bytes elements = 1;
 }
diff --git a/p2p/proto/consensus/consensus.proto b/p2p/proto/consensus/consensus.proto
index b7e996a..4e894bf 100644
--- a/p2p/proto/consensus/consensus.proto
+++ b/p2p/proto/consensus/consensus.proto
@@ -3,6 +3,8 @@ syntax = "proto3";
 import "p2p/proto/common.proto";
 import "p2p/proto/transaction.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/consensus/consensus";
+
 // WIP - will change
 
 // Contains all variants of mempool and an L1Handler variant to cover all transactions that can be
diff --git a/p2p/proto/discovery.proto b/p2p/proto/discovery.proto
index 2210765..d7b3a98 100644
--- a/p2p/proto/discovery.proto
+++ b/p2p/proto/discovery.proto
@@ -3,6 +3,8 @@ syntax = "proto3";
 import "p2p/proto/common.proto";
 import "google/protobuf/descriptor.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/discovery";
+
 extend google.protobuf.MessageOptions {
     optional bytes powDifficulty = 1001;
 }
diff --git a/p2p/proto/mempool/transaction.proto b/p2p/proto/mempool/transaction.proto
index 4d23295..f1dc0b2 100644
--- a/p2p/proto/mempool/transaction.proto
+++ b/p2p/proto/mempool/transaction.proto
@@ -1,9 +1,10 @@
 syntax = "proto3";
 
-import "p2p/proto/class.proto";
 import "p2p/proto/common.proto";
 import "p2p/proto/transaction.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/mempool/transaction";
+
 // Doesn't contain L1Handler, as those don't need to be propagated and can be downloaded from L1.
 message MempoolTransaction {
     oneof txn {
diff --git a/p2p/proto/snapshot.proto b/p2p/proto/snapshot.proto
index a4f1863..d812ac4 100644
--- a/p2p/proto/snapshot.proto
+++ b/p2p/proto/snapshot.proto
@@ -1,7 +1,10 @@
 syntax = "proto3";
 
 import "p2p/proto/common.proto";
-import "p2p/proto/state.proto";
+import "p2p/proto/sync/state.proto";
+import "p2p/proto/class.proto";
+
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/snapshot";
 
 message PatriciaNode {
     message Edge {
@@ -59,6 +62,11 @@ message ContractRangeResponse {
     }
 }
 
+message Classes {
+    uint32   domain        = 1;
+    repeated Class classes = 2;
+}
+
 // duplicate of GetContractRange. Can introduce a 'type' instead.
 // result is (Classes+, PatriciaRangeProof)*
 message ClassRangeRequest {
diff --git a/p2p/proto/sync/class.proto b/p2p/proto/sync/class.proto
index 12e285e..dbbdc43 100644
--- a/p2p/proto/sync/class.proto
+++ b/p2p/proto/sync/class.proto
@@ -3,6 +3,8 @@ import "p2p/proto/class.proto";
 import "p2p/proto/common.proto";
 import "p2p/proto/sync/common.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/sync/class";
+
 message ClassesRequest {
     Iteration iteration = 1;
 }
diff --git a/p2p/proto/sync/common.proto b/p2p/proto/sync/common.proto
index df392d4..2155e30 100644
--- a/p2p/proto/sync/common.proto
+++ b/p2p/proto/sync/common.proto
@@ -1,6 +1,8 @@
 syntax = "proto3";
 import "p2p/proto/common.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/sync/common";
+
 message StateDiffCommitment {
     uint64 state_diff_length = 1;
     Hash root = 2;
diff --git a/p2p/proto/sync/event.proto b/p2p/proto/sync/event.proto
index 2037184..fb93811 100644
--- a/p2p/proto/sync/event.proto
+++ b/p2p/proto/sync/event.proto
@@ -2,6 +2,8 @@ syntax = "proto3";
 import "p2p/proto/common.proto";
 import "p2p/proto/sync/common.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/sync/event";
+
 message Event {
     Hash transaction_hash = 1;
     Felt252 from_address = 3;
diff --git a/p2p/proto/sync/header.proto b/p2p/proto/sync/header.proto
index d6c9834..4e63696 100644
--- a/p2p/proto/sync/header.proto
+++ b/p2p/proto/sync/header.proto
@@ -2,6 +2,8 @@ syntax = "proto3";
 import "p2p/proto/common.proto";
 import "p2p/proto/sync/common.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/sync/header";
+
 // Note: commitments may change to be for the previous blocks like comet/tendermint
 // hash of block header sent to L1
 message SignedBlockHeader {
diff --git a/p2p/proto/sync/receipt.proto b/p2p/proto/sync/receipt.proto
index 025888d..239a29b 100644
--- a/p2p/proto/sync/receipt.proto
+++ b/p2p/proto/sync/receipt.proto
@@ -1,6 +1,8 @@
 syntax = "proto3";
 import "p2p/proto/common.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/sync/receipt";
+
 message MessageToL1 {
   Felt252 from_address = 2;
   repeated Felt252 payload = 3;
diff --git a/p2p/proto/sync/state.proto b/p2p/proto/sync/state.proto
index b097765..9eb14e2 100644
--- a/p2p/proto/sync/state.proto
+++ b/p2p/proto/sync/state.proto
@@ -2,6 +2,8 @@ syntax = "proto3";
 import "p2p/proto/common.proto";
 import "p2p/proto/sync/common.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/sync/state";
+
 
 // optimized for flat storage, not through a trie (not sharing key prefixes)
 message ContractStoredValue {
diff --git a/p2p/proto/sync/transaction.proto b/p2p/proto/sync/transaction.proto
index 4c070ef..7567c76 100644
--- a/p2p/proto/sync/transaction.proto
+++ b/p2p/proto/sync/transaction.proto
@@ -4,6 +4,8 @@ import "p2p/proto/sync/common.proto";
 import "p2p/proto/sync/receipt.proto";
 import "p2p/proto/transaction.proto";
 
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/sync/transaction";
+
 // TBD: can support a flag to return tx hashes only, good for standalone mempool to remove them,
 // or any node that keeps track of transaction streaming in the consensus.
 message TransactionsRequest {
diff --git a/p2p/proto/transaction.proto b/p2p/proto/transaction.proto
index dcb45ba..5143a5c 100644
--- a/p2p/proto/transaction.proto
+++ b/p2p/proto/transaction.proto
@@ -1,5 +1,8 @@
 syntax = "proto3";
 import "p2p/proto/common.proto";
+import "p2p/proto/class.proto";
+
+option go_package = "github.com/starknet-io/starknet-p2pspecs/p2p/proto/transaction";
 
 message ResourceLimits {
     Felt252 max_amount = 1;