diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..b3a577e
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,38 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+shell: bash
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: run protolint
+        uses: plexsystems/protolint-action@v0.7.0
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.21'
+      - name: Install protoc-gen-go
+        run: go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+
+      - name: generate language files
+        run: make all clean
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f3d1484
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,25 @@
+# Ignore Protobuf compiler generated files
+*.pb.go
+*.pb.cc
+*.pb.h
+*.pb.java
+*.pb.py
+*.pb2.py
+
+# Ignore build files
+/build/
+*.o
+*.so
+*.dylib
+*.a
+*.exe
+
+# Ignore IDE and editor-specific files
+.idea/
+.vscode/
+*.iml
+*.swp
+
+# Ignore OS-specific files
+.DS_Store
+Thumbs.db
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..5aa0949
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,18 @@
+OUT_DIR=build
+
+# Go-specific settings
+GO_OUT=$(OUT_DIR)/go
+
+.PHONY: all clean go
+
+all: go
+
+go:
+	@echo "Generating Go code..."
+	mkdir -p $(GO_OUT)
+	protoc -I=./proto --go_out=$(GO_OUT) ./proto/*.proto
+
+clean:
+	@echo "Cleaning up generated files..."
+	rm -rf $(OUT_DIR)
+
diff --git a/proto/http.proto b/proto/http.proto
new file mode 100644
index 0000000..f2946d4
--- /dev/null
+++ b/proto/http.proto
@@ -0,0 +1,39 @@
+syntax = "proto3";
+
+package tarmac.http;
+
+import "tarmac.proto";
+option go_package = "github.com/tarmac-project/tarmac/proto";
+
+// HTTPClient is a structure used to create HTTP calls to remote systems.
+message HTTPClient {
+  // Method is the HTTP method type for the HTTP request; valid options are 
+  // GET, POST, PUT, PATCH, HEAD, & DELETE.
+  string method = 1;
+  // Headers are the HTTP headers to include in the HTTP request.
+  map<string, string> headers = 2;
+  // URL is the HTTP URL to call.
+  string url = 3;
+  // Body is the user-supplied HTTP body data. This field should contain the 
+  // request payload data.
+  bytes body = 4;
+  // Insecure will disable TLS host verification; this is common with 
+  // self-signed certificates; however, use caution.
+  bool insecure = 5;
+}
+
+// HTTPClientResponse is a structure supplied as a response message to a remote 
+// HTTP call callback function.
+message HTTPClientResponse {
+  // Status is the human readable error message or success message for function 
+  // execution.
+  tarmac.Status status = 1;
+  // Code is the HTTP Status Code returned from the target server.
+  int32 code = 2;
+  // Headers are the HTTP headers returned from the HTTP request.
+  map<string, string> headers = 3;
+  // Body is the server-supplied HTTP payload data. The server-supplied payload 
+  // will be a byte slice.
+  bytes body = 4;
+}
+
diff --git a/proto/kvstore.proto b/proto/kvstore.proto
new file mode 100644
index 0000000..9e76ca2
--- /dev/null
+++ b/proto/kvstore.proto
@@ -0,0 +1,88 @@
+syntax = "proto3";
+
+package tarmac.kvstore;
+
+import "tarmac.proto";
+option go_package = "github.com/tarmac-project/tarmac/proto";
+
+// KVStoreGet is a structure used to create Get request callbacks to the Tarmac 
+// KVStore interface.
+//
+// This structure is a general request type used for all KVStore types provided 
+// by Tarmac.
+message KVStoreGet {
+  // Key is the index key to use when accessing the key:value store.
+  string key = 1;
+}
+
+// KVStoreGetResponse is a structure supplied as response messages to KVStore 
+// Get requests.
+//
+// This response is a general response type used for all KVStore types provided 
+// by Tarmac.
+message KVStoreGetResponse {
+  // Status is the human readable error message or success message for function 
+  // execution.
+  tarmac.Status status = 1;
+  // Data is the response data provided by the key:value store.
+  // This data is a byte slice to provide a simple field for arbitrary data.
+  bytes data = 2;
+}
+
+// KVStoreSet is a structure used to create a Set request callback to the 
+// Tarmac KVStore interface.
+//
+// This structure is a general request type used for all KVStore types provided 
+// by Tarmac.
+message KVStoreSet {
+  // Key is the index key used to store the data.
+  string key = 1;
+  // Data is the user-supplied key:value data.
+  // Tarmac expects this field to be a byte slice.
+  bytes data = 2;
+}
+
+// KVStoreSetResponse is a structure supplied as a response message to the 
+// KVStore Set callback function.
+//
+// This response is a general response type used for all KVStore types provided 
+// by Tarmac.
+message KVStoreSetResponse {
+  // Status is the human readable error message or success message for function 
+  // execution.
+  tarmac.Status status = 1;
+}
+
+// KVStoreDelete is a structure used to create Delete callback requests to the 
+// Tarmac KVStore interface.
+//
+// This structure is a general request type used for all KVStore types provided 
+// by Tarmac.
+message KVStoreDelete {
+  // Key is the index key used to store the data.
+  string key = 1;
+}
+
+// KVStoreDeleteResponse is a structure supplied as a response message to the 
+// KVStore Delete callback function.
+//
+// This response is a general response type used for all KVStore types provided 
+// by Tarmac.
+message KVStoreDeleteResponse {
+  // Status is the human readable error message or success message for function 
+  // execution.
+  tarmac.Status status = 1;
+}
+
+// KVStoreKeysResponse is a structure supplied as a response message to the 
+// KVStore Keys callback function.
+
+// This response is a general response type used for all KVStore types provided 
+// by Tarmac.
+message KVStoreKeysResponse {
+  // Status is the human readable error message or success message for function 
+  // execution.
+  tarmac.Status status = 1;
+  // Keys is a list of keys available within the KV Store.
+  repeated string keys = 2;
+}
diff --git a/proto/metrics.proto b/proto/metrics.proto
new file mode 100644
index 0000000..f22496c
--- /dev/null
+++ b/proto/metrics.proto
@@ -0,0 +1,31 @@
+syntax = "proto3";
+
+package tarmac.metrics;
+
+option go_package = "github.com/tarmac-project/tarmac/proto";
+
+// MetricsCounter is a structure used to create Counter metrics callback 
+// requests to the Tarmac Metrics interface.
+message MetricsCounter {
+  // Name is the name of the metric as exposed via the metrics HTTP end-point.
+  string name = 1;
+}
+
+// MetricsGauge is a structure used to create Gauge metrics callback requests 
+// to the Tarmac Metrics interface.
+message MetricsGauge {
+  // Name is the name of the metric as exposed via the metrics HTTP end-point.
+  string name = 1;
+  // Action is the action to be performed for the Gauge metric.
+  // Valid options are inc (Increment) and dec (Decrement).
+  string action = 2; // inc or dec
+}
+
+// MetricsHistogram is a structure used to create Histogram metrics callback 
+// requests to the Tarmac Metrics interface.
+message MetricsHistogram {
+  // Name is the name of the metric as exposed via the metrics HTTP end-point.
+  string name = 1;
+  // Value is the value to Observe for the Histogram metric.
+  double value = 2;
+}
diff --git a/proto/sql.proto b/proto/sql.proto
new file mode 100644
index 0000000..abbe40c
--- /dev/null
+++ b/proto/sql.proto
@@ -0,0 +1,25 @@
+syntax = "proto3";
+
+package tarmac.sql;
+
+import "tarmac.proto";
+option go_package = "github.com/tarmac-project/tarmac/proto";
+
+// SQLQuery is a structure used to create SQL queries to a SQL Database.
+message SQLQuery {
+  // Query is the SQL Query to be executed. This field should be a byte slice 
+  // to avoid conflicts with JSON encoding.
+  bytes query = 1;
+}
+
+// SQLQueryResponse is a structure supplied as a response message to a SQL 
+// Database Query.
+message SQLQueryResponse {
+  // Status is the human readable error message or success message for function 
+  // execution.
+  tarmac.Status status = 1;
+  // Data is a byte slice representing a JSON structure of the returned rows.
+  // Each row will contain a column name based map to access data.
+  bytes data = 2;
+}
+
diff --git a/proto/tarmac.proto b/proto/tarmac.proto
new file mode 100644
index 0000000..acf66a0
--- /dev/null
+++ b/proto/tarmac.proto
@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+package tarmac;
+
+option go_package = "github.com/tarmac-project/tarmac/proto";
+
+// Status is used to return a status code and message to clients when 
+// performing host callbacks to Tarmac.
+//
+// The status code will indicate failure or success.
+//
+// Status codes are as follows:
+// 000 - Success
+// 100 - Failure
+//
+message Status {
+  // Code is the status code for callback execution.
+  int32 code = 1;
+  // Status is the human readable error message or success message for function 
+  // execution.
+  string status = 2;
+}