diff --git a/interplanetary_edge_orchestrator_privacy/adapters/__init__.py b/interplanetary_edge_orchestrator_privacy/adapters/__init__.py
index bf692ad..7ab0515 100644
--- a/interplanetary_edge_orchestrator_privacy/adapters/__init__.py
+++ b/interplanetary_edge_orchestrator_privacy/adapters/__init__.py
@@ -6,3 +6,4 @@ for adapters used in MVP experiments.
 
 from .canonical import CanonicalAdapter  # noqa: F401
 from .catopt_bridge import CatOptBridge  # noqa: F401
+from .energibridge import EnergiBridge  # noqa: F401
diff --git a/interplanetary_edge_orchestrator_privacy/adapters/energibridge.py b/interplanetary_edge_orchestrator_privacy/adapters/energibridge.py
new file mode 100644
index 0000000..4c1c201
--- /dev/null
+++ b/interplanetary_edge_orchestrator_privacy/adapters/energibridge.py
@@ -0,0 +1,81 @@
+"""EnergiBridge-like interoperability bridge.
+
+This minimal adapter demonstrates how to map between a vendor-agnostic
+interoperability surface (LocalProblem/SharedVariables/PlanDelta) and
+internal representations. It is intentionally lightweight and dependency-free
+to serve as a drop-in playground for MVP interoperability experiments.
+"""
+
+from __future__ import annotations
+
+from typing import Any, Dict, List, Optional
+
+from ..dsl import LocalProblem, SharedVariables, PlanDelta
+
+
+class EnergiBridge:
+    """Lightweight EnergiBridge-style bridge.
+
+    Methods mirror a minimal set of mapping helpers you would expect in a real
+    bridge: translating between a canonical surface and the DSL primitives.
+    """
+
+    CONTRACT_VERSION: str = "0.1"
+
+    def to_local_problem(self, problem_id: str, features: List[float] | Dict[str, Any]) -> LocalProblem:
+        # Very small convenience mapping; in a real bridge this would be more sophisticated
+        return LocalProblem(problem_id=problem_id, features=features, objective="minimize_cost")
+
+    def to_shared_variables(self, version: int, data: Dict[str, Any], timestamp: Optional[float] = None) -> SharedVariables:
+        return SharedVariables(version=version, data=data, timestamp=timestamp)
+
+    def to_plan_delta(self, version: int, delta: Dict[str, Any], insight: Optional[str] = None) -> PlanDelta:
+        return PlanDelta(version=version, delta=delta, insight=insight)
+
+    # Serializers to showcase a canonical contract payload
+    def to_contract_payload(self, lp: LocalProblem, sv: SharedVariables, delta: Optional[PlanDelta] = None) -> Dict[str, Any]:
+        payload: Dict[str, Any] = {
+            "contract_version": self.CONTRACT_VERSION,
+            "LocalProblem": {
+                "problem_id": lp.problem_id,
+                "features": lp.features,
+                "objective": lp.objective,
+                "metadata": lp.metadata,
+            },
+            "SharedVariables": {
+                "version": sv.version,
+                "data": sv.data,
+                "timestamp": sv.timestamp,
+            },
+        }
+        if delta is not None:
+            payload["PlanDelta"] = {
+                "version": delta.version,
+                "delta": delta.delta,
+                "insight": delta.insight,
+            }
+        return payload
+
+    def from_contract_payload(self, payload: Dict[str, Any]) -> None:
+        # This is a placeholder for a real deserialization routine. Tests or
+        # adapters can import this class and call mapping methods directly.
+        _lp = LocalProblem(
+            problem_id=payload.get("LocalProblem", {}).get("problem_id", ""),
+            features=payload.get("LocalProblem", {}).get("features", []),
+            objective=payload.get("LocalProblem", {}).get("objective"),
+            metadata=payload.get("LocalProblem", {}).get("metadata", {}),
+        )
+        _sv = SharedVariables(
+            version=payload.get("SharedVariables", {}).get("version", 0),
+            data=payload.get("SharedVariables", {}).get("data", {}),
+            timestamp=payload.get("SharedVariables", {}).get("timestamp"),
+        )
+        delta_payload = payload.get("PlanDelta")
+        _delta = None
+        if delta_payload is not None:
+            _delta = PlanDelta(
+                version=delta_payload.get("version", 0),
+                delta=delta_payload.get("delta", {}),
+                insight=delta_payload.get("insight"),
+            )
+        return _lp, _sv, _delta