diff --git a/equicompiler_algebraic_portfolio_dsl_to_/adapters/broker_adapter.py b/equicompiler_algebraic_portfolio_dsl_to_/adapters/broker_adapter.py
new file mode 100644
index 0000000..7e0be93
--- /dev/null
+++ b/equicompiler_algebraic_portfolio_dsl_to_/adapters/broker_adapter.py
@@ -0,0 +1,23 @@
+"""Starter Broker Adapter for EquiCompiler GoC workflow.
+
+This is a minimal, self-contained adapter stub intended to prove the plug-and-play
+flow with the Graph-of-Contracts registry. It exposes a register() function used by
+the GoC layer to surface a simple contract descriptor for a broker adapter.
+"""
+
+from __future__ import annotations
+
+
+def register(registry):  # pragma: no cover
+    """Register this broker adapter with the provided registry."""
+    if registry is None:
+        return
+    registry.register(
+        name="mock-broker",
+        contract={
+            "type": "broker",
+            "version": "0.1",
+            "description": "Mock broker adapter for MVP interoperability",
+            "contracts": [{"name": "order_execution", "provider": "mock"}],
+        },
+    )
diff --git a/equicompiler_algebraic_portfolio_dsl_to_/adapters/data_feed_adapter.py b/equicompiler_algebraic_portfolio_dsl_to_/adapters/data_feed_adapter.py
new file mode 100644
index 0000000..20ef7d5
--- /dev/null
+++ b/equicompiler_algebraic_portfolio_dsl_to_/adapters/data_feed_adapter.py
@@ -0,0 +1,30 @@
+"""Starter Data Feed Adapter for EquiCompiler GoC workflow.
+
+This is a minimal, self-contained adapter that can be registered with the
+GoC registry. It serves as a playground for plug-and-play interoperability
+between adapters and the EquiIR representation.
+"""
+
+from __future__ import annotations
+
+try:
+    from .broker_adapter import register as _register_broker  # type: ignore
+except Exception:
+    _register_broker = None  # pragma: no cover
+
+
+def register(registry):  # pragma: no cover
+    """Register this data-feed adapter with the provided registry."""
+    if registry is None:
+        return
+    registry.register(
+        name="mock-data-feed",
+        contract={
+            "type": "data-feed",
+            "version": "0.1",
+            "description": "Mock data feed for prices and signals",
+            "contracts": [
+                {"name": "prices", "provider": "mock"},
+            ],
+        },
+    )
diff --git a/equicompiler_algebraic_portfolio_dsl_to_/delta_sync.py b/equicompiler_algebraic_portfolio_dsl_to_/delta_sync.py
new file mode 100644
index 0000000..37bff5f
--- /dev/null
+++ b/equicompiler_algebraic_portfolio_dsl_to_/delta_sync.py
@@ -0,0 +1,45 @@
+"""Deterministic delta-sync utilities for EquiCompiler MVP.
+
+This module provides a tiny, deterministic delta computation between two
+IR snapshots. It is intentionally lightweight and designed to be extended in
+future MVP phases.
+"""
+from __future__ import annotations
+
+import hashlib
+import json
+from typing import Dict, Any
+
+
+def _digest(ir: Dict[str, Any]) -> str:
+    """Compute a stable digest for a given IR dictionary."""
+    return hashlib.sha256(json.dumps(ir, sort_keys=True).encode("utf-8")).hexdigest()
+
+
+def delta_sync(old_ir: Dict[str, Any], new_ir: Dict[str, Any]) -> Dict[str, Any]:
+    """Compute a minimal delta between two IR snapshots.
+
+    Returns a dictionary describing changes and a new digest for the updated IR.
+    This is not a full delta engine; it provides a deterministic baseline that
+    can be extended with richer delta information as the MVP evolves.
+    """
+    old_assets = set(old_ir.get("assets", []))
+    new_assets = set(new_ir.get("assets", []))
+
+    delta = {
+        "assets_added": sorted(list(new_assets - old_assets)),
+        "assets_removed": sorted(list(old_assets - new_assets)),
+        "constraints_changed": {},  # naive: compute by key presence and value change
+        "digest": _digest(new_ir),
+    }
+
+    old_constraints = old_ir.get("constraints", {}) or {}
+    new_constraints = new_ir.get("constraints", {}) or {}
+    all_keys = set(old_constraints.keys()) | set(new_constraints.keys())
+    for k in all_keys:
+        ov = old_constraints.get(k)
+        nv = new_constraints.get(k)
+        if ov != nv:
+            delta["constraints_changed"][k] = {"old": ov, "new": nv}
+
+    return delta