diff --git a/AGENTS.md b/AGENTS.md
index a31878c13..c9e229bf5 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -694,8 +694,10 @@ in this repo.
   `codegraph init -i` autonomously without asking first; keep generated
   `.codegraph/` and `.cursor/rules/codegraph.mdc` artifacts local unless a
   future repository policy explicitly says to commit them. OpenCode PR review
-  uses the project `opencode.jsonc` MCP servers for CodeGraph, DeepWiki,
-  Context7, and web search. It must initialize CodeGraph before review so
+  receives the only `opencode.jsonc` from the central required workflow; do not
+  add repository-local `opencode.json` or `opencode.jsonc`. The central owner
+  registers review MCP servers, including Graphify. It must initialize
+  CodeGraph before review so
   structural findings cite graph-backed evidence instead of relying only on grep
   or raw file reads; use Context7 for current library docs, DeepWiki for
   repository documentation, and web search only for bounded external lookups.
diff --git a/CLAUDE.md b/CLAUDE.md
index fa0597bce..1814c98ee 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -17,6 +17,9 @@ merged by metadata-only robot governance (see
 `docs/development/merge-gate-policy.md`); OpenCode Review, Strix Security Scan,
 and the merge scheduler come from central workflows in
 `ContextualWisdomLab/.github` — do not reintroduce repo-local copies.
+That owner also supplies the only `opencode.jsonc` used by required review;
+Naruon must not add `opencode.json` or `opencode.jsonc`. Central review MCP
+registration, including Graphify, stays owner-controlled.
 
 ## Common commands
 
diff --git a/backend/tests/test_agent_llm_authority_docs.py b/backend/tests/test_agent_llm_authority_docs.py
index e8dcc9c40..7104302a5 100644
--- a/backend/tests/test_agent_llm_authority_docs.py
+++ b/backend/tests/test_agent_llm_authority_docs.py
@@ -1,6 +1,5 @@
 """Regression contracts for current LLM-routing authority guidance."""
 
-import json
 from pathlib import Path
 
 
@@ -52,32 +51,3 @@ def test_agent_guidance_names_canonical_llm_owner_and_fail_closed_boundary() ->
     assert "provider discovery" in architecture
     assert "immutable released" in architecture
     assert "fails closed" in architecture
-
-
-def test_opencode_config_uses_only_contextual_orchestrator_free() -> None:
-    """Repository OpenCode model work must use only the canonical logical pool."""
-    raw_config = _read("opencode.jsonc")
-    config = json.loads(raw_config)
-
-    assert config["model"] == "contextual-orchestrator/orchestrator/free"
-    assert config["small_model"] == "contextual-orchestrator/orchestrator/free"
-    assert config["enabled_providers"] == ["contextual-orchestrator"]
-    assert set(config["provider"]) == {"contextual-orchestrator"}
-
-    provider = config["provider"]["contextual-orchestrator"]
-    assert provider["options"] == {
-        "baseURL": "{env:CONTEXTUAL_ORCHESTRATOR_BASE_URL}",
-        "apiKey": "{env:CONTEXTUAL_ORCHESTRATOR_TOKEN}",
-    }
-    assert set(provider["models"]) == {"orchestrator/free"}
-
-    forbidden_direct_routing = (
-        "github-models",
-        "STRIX_GITHUB_MODELS_TOKEN",
-        "https://models.github.ai/inference",
-        '"openai/gpt-5"',
-        '"deepseek/deepseek-r1-0528"',
-        '"deepseek/deepseek-v3-0324"',
-    )
-    for phrase in forbidden_direct_routing:
-        assert phrase not in raw_config
diff --git a/backend/tests/test_opencode_central_config_consumer.py b/backend/tests/test_opencode_central_config_consumer.py
new file mode 100644
index 000000000..32b20a186
--- /dev/null
+++ b/backend/tests/test_opencode_central_config_consumer.py
@@ -0,0 +1,22 @@
+"""Contract for consuming OpenCode review configuration from the central owner."""
+
+from pathlib import Path
+
+
+REPO_ROOT = Path(__file__).resolve().parents[2]
+
+
+def test_required_review_has_no_repository_local_opencode_configuration() -> None:
+    """Repository-local OpenCode JSON must not fork the central review policy."""
+
+    for relative_path in ("opencode.json", "opencode.jsonc"):
+        assert not (REPO_ROOT / relative_path).exists(), (
+            "central OpenCode configuration must remain owner-controlled: "
+            f"{relative_path}"
+        )
+
+    agents = (REPO_ROOT / "AGENTS.md").read_text(encoding="utf-8")
+    claude = (REPO_ROOT / "CLAUDE.md").read_text(encoding="utf-8")
+    for guidance in (agents, claude):
+        assert "only `opencode.jsonc`" in guidance
+        assert "Graphify" in guidance
diff --git a/opencode.jsonc b/opencode.jsonc
deleted file mode 100644
index f942535d1..000000000
--- a/opencode.jsonc
+++ /dev/null
@@ -1,60 +0,0 @@
-{
-  "$schema": "https://opencode.ai/config.json",
-  "model": "contextual-orchestrator/orchestrator/free",
-  "small_model": "contextual-orchestrator/orchestrator/free",
-  "enabled_providers": ["contextual-orchestrator"],
-  "mcp": {
-    "codegraph": {
-      "type": "local",
-      "command": ["npx", "-y", "@colbymchenry/codegraph@0.9.9", "serve", "--mcp"],
-      "enabled": true
-    },
-    "deepwiki": {
-      "type": "remote",
-      "url": "https://mcp.deepwiki.com/mcp",
-      "enabled": true,
-      "timeout": 300000
-    },
-    "context7": {
-      "type": "local",
-      "command": ["npx", "-y", "@upstash/context7-mcp@3.1.0", "--transport", "stdio"],
-      "enabled": true,
-      "timeout": 300000,
-      "environment": {
-        "NPM_CONFIG_IGNORE_SCRIPTS": "true",
-        "NPM_CONFIG_LOGLEVEL": "error"
-      }
-    },
-    "web_search": {
-      "type": "local",
-      "command": ["npx", "-y", "@guhcostan/web-search-mcp@1.0.5"],
-      "enabled": true,
-      "timeout": 300000,
-      "environment": {
-        "NPM_CONFIG_IGNORE_SCRIPTS": "true",
-        "NPM_CONFIG_LOGLEVEL": "error"
-      }
-    }
-  },
-  "provider": {
-    "contextual-orchestrator": {
-      "npm": "@ai-sdk/openai-compatible",
-      "name": "Contextual Orchestrator",
-      "options": {
-        "baseURL": "{env:CONTEXTUAL_ORCHESTRATOR_BASE_URL}",
-        "apiKey": "{env:CONTEXTUAL_ORCHESTRATOR_TOKEN}"
-      },
-      "models": {
-        "orchestrator/free": {
-          "name": "Orchestrator Free",
-          "tool_call": true,
-          "reasoning": true,
-          "limit": {
-            "context": 200000,
-            "output": 32768
-          }
-        }
-      }
-    }
-  }
-}