diff --git a/.gitignore b/.gitignore
index 31c7257..b299ff1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 .tasks/
 .agile/
+**/bin/
+**/obj/
diff --git a/BuildingBlock.Workflow.slnx b/BuildingBlock.Workflow.slnx
new file mode 100644
index 0000000..2c9e3c2
--- /dev/null
+++ b/BuildingBlock.Workflow.slnx
@@ -0,0 +1,5 @@
+<Solution>
+  <Folder Name="/src/">
+    <Project Path="src/BuildingBlock.Workflow.Contracts/BuildingBlock.Workflow.Contracts.csproj" />
+  </Folder>
+</Solution>
diff --git a/Directory.Build.props b/Directory.Build.props
new file mode 100644
index 0000000..17cbfc6
--- /dev/null
+++ b/Directory.Build.props
@@ -0,0 +1,10 @@
+<Project>
+  <PropertyGroup>
+    <Authors>AgileWebs</Authors>
+    <Company>AgileWebs</Company>
+    <RepositoryType>git</RepositoryType>
+    <RepositoryUrl>http://192.168.68.156:3000/AgileWebs/building-block-workflow</RepositoryUrl>
+    <PackageProjectUrl>http://192.168.68.156:3000/AgileWebs/building-block-workflow</PackageProjectUrl>
+    <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
+  </PropertyGroup>
+</Project>
diff --git a/src/BuildingBlock.Workflow.Contracts/Abstractions/IWorkflowCapabilityContract.cs b/src/BuildingBlock.Workflow.Contracts/Abstractions/IWorkflowCapabilityContract.cs
new file mode 100644
index 0000000..55189c0
--- /dev/null
+++ b/src/BuildingBlock.Workflow.Contracts/Abstractions/IWorkflowCapabilityContract.cs
@@ -0,0 +1,11 @@
+using BuildingBlock.Workflow.Contracts.Requests;
+using BuildingBlock.Workflow.Contracts.Responses;
+
+namespace BuildingBlock.Workflow.Contracts.Abstractions;
+
+public interface IWorkflowCapabilityContract
+{
+    Task<TransitionWorkflowStateResponse> TransitionWorkflowStateAsync(
+        TransitionWorkflowStateRequest request,
+        CancellationToken cancellationToken);
+}
diff --git a/src/BuildingBlock.Workflow.Contracts/BuildingBlock.Workflow.Contracts.csproj b/src/BuildingBlock.Workflow.Contracts/BuildingBlock.Workflow.Contracts.csproj
new file mode 100644
index 0000000..b760144
--- /dev/null
+++ b/src/BuildingBlock.Workflow.Contracts/BuildingBlock.Workflow.Contracts.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/src/BuildingBlock.Workflow.Contracts/Contracts/WorkflowState.cs b/src/BuildingBlock.Workflow.Contracts/Contracts/WorkflowState.cs
new file mode 100644
index 0000000..10fba30
--- /dev/null
+++ b/src/BuildingBlock.Workflow.Contracts/Contracts/WorkflowState.cs
@@ -0,0 +1,11 @@
+namespace BuildingBlock.Workflow.Contracts.Contracts;
+
+public enum WorkflowState
+{
+    Queued = 0,
+    InProgress = 1,
+    Blocked = 2,
+    Completed = 3,
+    Failed = 4,
+    Canceled = 5
+}
diff --git a/src/BuildingBlock.Workflow.Contracts/Contracts/WorkflowWorkItemContract.cs b/src/BuildingBlock.Workflow.Contracts/Contracts/WorkflowWorkItemContract.cs
new file mode 100644
index 0000000..08f15dd
--- /dev/null
+++ b/src/BuildingBlock.Workflow.Contracts/Contracts/WorkflowWorkItemContract.cs
@@ -0,0 +1,8 @@
+namespace BuildingBlock.Workflow.Contracts.Contracts;
+
+public sealed record WorkflowWorkItemContract(
+    string WorkItemId,
+    string WorkType,
+    int Priority,
+    DateTime RequestedAtUtc,
+    WorkflowState CurrentState);
diff --git a/src/BuildingBlock.Workflow.Contracts/Requests/TransitionWorkflowStateRequest.cs b/src/BuildingBlock.Workflow.Contracts/Requests/TransitionWorkflowStateRequest.cs
new file mode 100644
index 0000000..b6dadbe
--- /dev/null
+++ b/src/BuildingBlock.Workflow.Contracts/Requests/TransitionWorkflowStateRequest.cs
@@ -0,0 +1,9 @@
+using BuildingBlock.Workflow.Contracts.Contracts;
+
+namespace BuildingBlock.Workflow.Contracts.Requests;
+
+public sealed record TransitionWorkflowStateRequest(
+    string WorkItemId,
+    WorkflowState TargetState,
+    string RequestedBy,
+    DateTime RequestedAtUtc);
diff --git a/src/BuildingBlock.Workflow.Contracts/Responses/TransitionWorkflowStateResponse.cs b/src/BuildingBlock.Workflow.Contracts/Responses/TransitionWorkflowStateResponse.cs
new file mode 100644
index 0000000..146635f
--- /dev/null
+++ b/src/BuildingBlock.Workflow.Contracts/Responses/TransitionWorkflowStateResponse.cs
@@ -0,0 +1,10 @@
+using BuildingBlock.Workflow.Contracts.Contracts;
+
+namespace BuildingBlock.Workflow.Contracts.Responses;
+
+public sealed record TransitionWorkflowStateResponse(
+    string WorkItemId,
+    WorkflowState PreviousState,
+    WorkflowState CurrentState,
+    bool TransitionApplied,
+    string? RejectionReason);