diff --git a/src/agents/agent-tools.ts b/src/agents/agent-tools.ts
index f0fd695bf13a..071ee7d9ec15 100644
--- a/src/agents/agent-tools.ts
+++ b/src/agents/agent-tools.ts
@@ -119,6 +119,7 @@ import type { CronToolOptions } from "./tools/cron-tool.types.js";
 import { wrapToolWithGatewayCallerIdentity } from "./tools/gateway-caller-context.js";
 
 const MEMORY_FLUSH_ALLOWED_TOOL_NAMES = new Set(["read", "write"]);
+const MEMORY_ISOLATION_READ_TOOL_NAMES = new Set(["memory_search", "memory_get"]);
 
 function applyModelProviderToolPolicy(
   toolsInput: AnyAgentTool[],
@@ -951,10 +952,11 @@ function createOpenClawCodingToolsInternal(options?: OpenClawCodingToolsOptions)
       !options?.swarmCollector ||
       (tool.name !== "ask_user" && tool.name !== "sessions_send" && tool.name !== "sessions_yield"),
   );
-  // P1C has no authorized mutation or execution path. Apply this after every contributor and
-  // policy layer so a future core, plugin, or ring-zero tool cannot reopen a durable-write bypass.
+  // P1C admits only selected-plugin reads. Generic filesystem reads would let a model bypass the
+  // broker's subject and receipt checks, while every other contributor could reopen an egress or
+  // mutation path if this final surface gate moved earlier.
   const surfaceTools = memoryIsolationCutover
-    ? authorizedTools.filter((tool) => tool.name === "read")
+    ? authorizedTools.filter((tool) => MEMORY_ISOLATION_READ_TOOL_NAMES.has(tool.name))
     : authorizedTools;
   if (
     swarmStructuredOutputTool &&
diff --git a/src/agents/agent-tools.workspace-paths.test.ts b/src/agents/agent-tools.workspace-paths.test.ts
index 753e62a07065..839c04c6846e 100644
--- a/src/agents/agent-tools.workspace-paths.test.ts
+++ b/src/agents/agent-tools.workspace-paths.test.ts
@@ -29,6 +29,7 @@ import {
 } from "./agent-tools.read.js";
 import { createApplyPatchTool } from "./apply-patch.js";
 import { createMemoryFileMutationGuard } from "./memory-file-mutation-guard.js";
+import { createOpenClawTools } from "./openclaw-tools.js";
 import { SANDBOX_AGENT_WORKSPACE_MOUNT } from "./sandbox/constants.js";
 import { resolveReadOnlyWorkspaceSkillMounts } from "./sandbox/workspace-mounts.js";
 import {
@@ -89,7 +90,7 @@ async function expectExecCwdResolvesTo(
 }
 
 describe("workspace path resolution", () => {
-  it("exposes only read for an enforced read-only memory agent", async () => {
+  it("exposes only selected authorized memory tools for an enforced read-only memory agent", async () => {
     await withTempDir("openclaw-memory-cutover-state-", async (stateDir) => {
       const originalStateDir = process.env.OPENCLAW_STATE_DIR;
       process.env.OPENCLAW_STATE_DIR = stateDir;
@@ -106,8 +107,12 @@ describe("workspace path resolution", () => {
           .run();
         resetMemoryIsolationCutoverForTest();
 
+        vi.mocked(createOpenClawTools).mockImplementationOnce(() =>
+          ["read", "memory_search", "memory_get", "exec"].map((name) => ({ name }) as never),
+        );
         expect(createOpenClawCodingTools({ agentId: "main" }).map((tool) => tool.name)).toEqual([
-          "read",
+          "memory_search",
+          "memory_get",
         ]);
       } finally {
         closeOpenClawAgentDatabasesForTest();
diff --git a/src/worker/embedded-agent.runtime.ts b/src/worker/embedded-agent.runtime.ts
index 188fcfdb3cbe..64633b79b85c 100644
--- a/src/worker/embedded-agent.runtime.ts
+++ b/src/worker/embedded-agent.runtime.ts
@@ -157,10 +157,10 @@ export async function runWorkerEmbeddedTurn(params: RunWorkerEmbeddedTurnParams)
   const omittedToolNames = permissionToolPolicy?.readOnly
     ? new Set<WorkerToolName>(["write", "edit", "apply_patch"])
     : undefined;
-  // P1C's selected-memory pilot exposes no mutation or execution path. The worker builds core
-  // tools directly, so it must apply the primary agent's final read-only surface itself.
+  // Workers do not host selected-memory plugin tools. Exposing their generic read tool would
+  // bypass the broker, so the P1C cutover gives them no filesystem or process capability.
   const availableToolNames = params.memoryIsolationCutover
-    ? (["read"] as const)
+    ? ([] as const)
     : WORKER_LOCAL_TOOL_NAMES;
   const activeToolNames = availableToolNames.filter(
     (name) => allowedToolNameSet.has(name) && !omittedToolNames?.has(name),
@@ -254,7 +254,7 @@ export async function runWorkerEmbeddedTurn(params: RunWorkerEmbeddedTurnParams)
       );
       const discoveredToolNames = new Set(localTools.map((tool) => tool.name));
       const requiredToolNames = [
-        ...(params.memoryIsolationCutover ? ["read"] : WORKER_REQUIRED_LOCAL_TOOL_NAMES),
+        ...(params.memoryIsolationCutover ? [] : WORKER_REQUIRED_LOCAL_TOOL_NAMES),
         ...(browserRuntime ? ["browser"] : []),
       ];
       for (const toolName of requiredToolNames) {
diff --git a/src/worker/worker.runtime.test.ts b/src/worker/worker.runtime.test.ts
index 05d8c03e1660..688bd014f852 100644
--- a/src/worker/worker.runtime.test.ts
+++ b/src/worker/worker.runtime.test.ts
@@ -969,7 +969,7 @@ describe("worker runtime", () => {
     ]);
   });
 
-  it("keeps an enforced agent's worker tool surface read-only after state isolation", async () => {
+  it("keeps an enforced agent's worker tool surface free of raw filesystem tools after state isolation", async () => {
     const memoryStateDir = await mkdtemp(path.join(tmpdir(), "openclaw-worker-memory-state-"));
     const previousStateDir = process.env.OPENCLAW_STATE_DIR;
     process.env.OPENCLAW_STATE_DIR = memoryStateDir;
@@ -992,9 +992,7 @@ describe("worker runtime", () => {
       await expect(runWorkerDescriptor(launch)).resolves.toMatchObject({ status: "completed" });
 
       expect(browserRuntimeMocks.createWorkerBrowserToolRuntime).not.toHaveBeenCalled();
-      expect(gateway.inferenceRequests[0]?.context.tools?.map((tool) => tool.name)).toEqual([
-        "read",
-      ]);
+      expect(gateway.inferenceRequests[0]?.context.tools?.map((tool) => tool.name)).toEqual([]);
     } finally {
       resetMemoryIsolationCutoverForTest();
       closeOpenClawAgentDatabasesForTest();