diff --git a/src/index.disabled-tools.test.ts b/src/index.disabled-tools.test.ts
new file mode 100644
index 00000000..f370746f
--- /dev/null
+++ b/src/index.disabled-tools.test.ts
@@ -0,0 +1,273 @@
+import { beforeEach, describe, expect, mock, test } from "bun:test";
+import type { PluginInput } from "@opencode-ai/plugin";
+
+let currentConfig: Record<string, unknown> = {};
+
+const DUMMY_TOOL = {
+  description: "dummy",
+  args: {},
+  execute: async () => "ok",
+};
+
+mock.module("./plugin-config", () => ({
+  loadPluginConfig: () => currentConfig,
+}));
+
+mock.module("./shared", () => ({
+  log: () => {},
+  detectExternalNotificationPlugin: () => ({
+    detected: false,
+    pluginName: null,
+    allPlugins: [],
+  }),
+  getNotificationConflictWarning: () => "",
+  resetMessageCursor: () => {},
+  hasConnectedProvidersCache: () => true,
+  getOpenCodeVersion: () => null,
+  isOpenCodeVersionAtLeast: () => false,
+  OPENCODE_NATIVE_AGENTS_INJECTION_VERSION: "0.0.0",
+  injectServerAuthIntoClient: () => {},
+}));
+
+mock.module("./hooks", () => {
+  const noopHook = {
+    event: async () => {},
+    handler: async () => {},
+    "chat.message": async () => {},
+    "tool.execute.before": async () => {},
+    "tool.execute.after": async () => {},
+    "experimental.chat.messages.transform": async () => {},
+  };
+
+  return {
+    createTodoContinuationEnforcer: () => null,
+    createContextWindowMonitorHook: () => null,
+    createSessionRecoveryHook: () => null,
+    createSessionNotification: () => async () => {},
+    createCommentCheckerHooks: () => null,
+    createToolOutputTruncatorHook: () => null,
+    createDirectoryAgentsInjectorHook: () => null,
+    createDirectoryReadmeInjectorHook: () => null,
+    createEmptyTaskResponseDetectorHook: () => null,
+    createThinkModeHook: () => null,
+    createClaudeCodeHooksHook: () => noopHook,
+    createAnthropicContextWindowLimitRecoveryHook: () => null,
+    createRulesInjectorHook: () => null,
+    createBackgroundNotificationHook: () => null,
+    createAutoUpdateCheckerHook: () => ({ event: async () => {} }),
+    createKeywordDetectorHook: () => null,
+    createAgentUsageReminderHook: () => null,
+    createNonInteractiveEnvHook: () => null,
+    createInteractiveBashSessionHook: () => null,
+    createThinkingBlockValidatorHook: () => null,
+    createCategorySkillReminderHook: () => null,
+    createRalphLoopHook: () => null,
+    createAutoSlashCommandHook: () => null,
+    createEditErrorRecoveryHook: () => null,
+    createDelegateTaskRetryHook: () => null,
+    createTaskResumeInfoHook: () => ({
+      "tool.execute.after": async () => {},
+    }),
+    createStartWorkHook: () => null,
+    createAtlasHook: () => null,
+    createPrometheusMdOnlyHook: () => null,
+    createSisyphusJuniorNotepadHook: () => null,
+    createQuestionLabelTruncatorHook: () => null,
+    createSubagentQuestionBlockerHook: () => null,
+    createStopContinuationGuardHook: () => null,
+    createCompactionContextInjector: () => null,
+    createUnstableAgentBabysitterHook: () => null,
+    createPreemptiveCompactionHook: () => null,
+    createTasksTodowriteDisablerHook: () => null,
+    createWriteExistingFileGuardHook: () => null,
+  };
+});
+
+mock.module("./features/context-injector", () => ({
+  contextCollector: {},
+  createContextInjectorMessagesTransformHook: () => null,
+}));
+
+mock.module("./shared/agent-variant", () => ({
+  applyAgentVariant: () => {},
+  resolveAgentVariant: () => undefined,
+  resolveVariantForModel: () => undefined,
+}));
+
+mock.module("./shared/first-message-variant", () => ({
+  createFirstMessageVariantGate: () => ({
+    shouldOverride: () => false,
+    markApplied: () => {},
+    markSessionCreated: () => {},
+    clear: () => {},
+  }),
+}));
+
+mock.module("./features/opencode-skill-loader", () => ({
+  discoverUserClaudeSkills: async () => [],
+  discoverProjectClaudeSkills: async () => [],
+  discoverOpencodeGlobalSkills: async () => [],
+  discoverOpencodeProjectSkills: async () => [],
+  mergeSkills: (...skills: unknown[][]) => skills.flat(),
+}));
+
+mock.module("./features/builtin-skills", () => ({
+  createBuiltinSkills: () => [],
+}));
+
+mock.module("./features/claude-code-mcp-loader", () => ({
+  getSystemMcpServerNames: () => new Set<string>(),
+}));
+
+mock.module("./features/claude-code-session-state", () => ({
+  setMainSession: () => {},
+  getMainSessionID: () => undefined,
+  setSessionAgent: () => {},
+  updateSessionAgent: () => {},
+  clearSessionAgent: () => {},
+}));
+
+mock.module("./features/background-agent", () => ({
+  BackgroundManager: class BackgroundManager {
+    constructor(..._args: unknown[]) {}
+  },
+}));
+
+mock.module("./features/skill-mcp-manager", () => ({
+  SkillMcpManager: class SkillMcpManager {
+    disconnectSession = async () => {};
+  },
+}));
+
+mock.module("./features/task-toast-manager", () => ({
+  initTaskToastManager: () => {},
+}));
+
+mock.module("./features/tmux-subagent", () => ({
+  TmuxSessionManager: class TmuxSessionManager {
+    constructor(..._args: unknown[]) {}
+    cleanup = async () => {};
+    onSessionCreated = async () => {};
+    onSessionDeleted = async () => {};
+  },
+}));
+
+mock.module("./features/boulder-state", () => ({
+  clearBoulderState: () => {},
+}));
+
+mock.module("./plugin-state", () => ({
+  createModelCacheState: () => ({}),
+}));
+
+mock.module("./plugin-handlers", () => ({
+  createConfigHandler: () => ({}),
+}));
+
+mock.module("./tools", () => ({
+  builtinTools: {
+    foo: DUMMY_TOOL,
+    bar: DUMMY_TOOL,
+  },
+  createCallOmoAgent: () => DUMMY_TOOL,
+  createBackgroundTools: () => ({
+    background_output: DUMMY_TOOL,
+  }),
+  createLookAt: () => DUMMY_TOOL,
+  createSkillTool: () => DUMMY_TOOL,
+  createSkillMcpTool: () => DUMMY_TOOL,
+  createSlashcommandTool: () => DUMMY_TOOL,
+  discoverCommandsSync: () => [],
+  sessionExists: () => false,
+  createDelegateTask: () => DUMMY_TOOL,
+  interactive_bash: DUMMY_TOOL,
+  startTmuxCheck: () => {},
+  lspManager: {
+    cleanupTempDirectoryClients: async () => {},
+  },
+  createTaskCreateTool: () => DUMMY_TOOL,
+  createTaskGetTool: () => DUMMY_TOOL,
+  createTaskList: () => DUMMY_TOOL,
+  createTaskUpdateTool: () => DUMMY_TOOL,
+}));
+
+const { default: OhMyOpenCodePlugin } = await import("./index");
+
+describe("disabled_tools config", () => {
+  beforeEach(() => {
+    currentConfig = {
+      experimental: { task_system: false },
+    };
+  });
+
+  test("returns all tools when disabled_tools is unset", async () => {
+    //#given
+    const ctx = {
+      directory: "/tmp/omo-test",
+      client: {},
+    } as PluginInput;
+
+    //#when
+    const plugin = await OhMyOpenCodePlugin(ctx);
+    const toolNames = Object.keys(plugin.tool).sort();
+
+    //#then
+    expect(toolNames).toEqual(
+      [
+        "background_output",
+        "bar",
+        "call_omo_agent",
+        "delegate_task",
+        "foo",
+        "interactive_bash",
+        "look_at",
+        "skill",
+        "skill_mcp",
+        "slashcommand",
+      ].sort(),
+    );
+  });
+
+  test("filters out tools listed in disabled_tools", async () => {
+    //#given
+    currentConfig = {
+      experimental: { task_system: false },
+      disabled_tools: ["call_omo_agent", "delegate_task"],
+    };
+
+    const ctx = {
+      directory: "/tmp/omo-test",
+      client: {},
+    } as PluginInput;
+
+    //#when
+    const plugin = await OhMyOpenCodePlugin(ctx);
+    const toolNames = Object.keys(plugin.tool);
+
+    //#then
+    expect(toolNames).not.toContain("call_omo_agent");
+    expect(toolNames).not.toContain("delegate_task");
+    expect(toolNames).toContain("foo");
+    expect(toolNames).toContain("background_output");
+  });
+
+  test("matches tool names exactly", async () => {
+    //#given
+    currentConfig = {
+      experimental: { task_system: false },
+      disabled_tools: ["call"],
+    };
+
+    const ctx = {
+      directory: "/tmp/omo-test",
+      client: {},
+    } as PluginInput;
+
+    //#when
+    const plugin = await OhMyOpenCodePlugin(ctx);
+    const toolNames = Object.keys(plugin.tool);
+
+    //#then
+    expect(toolNames).toContain("call_omo_agent");
+  });
+});
diff --git a/src/index.ts b/src/index.ts
index c62c68b0..54891299 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -115,6 +115,7 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
 
   const pluginConfig = loadPluginConfig(ctx.directory, ctx);
   const disabledHooks = new Set(pluginConfig.disabled_hooks ?? []);
+  const disabledTools = new Set(pluginConfig.disabled_tools ?? []);
   const firstMessageVariantGate = createFirstMessageVariantGate();
 
   const tmuxConfig = {
@@ -487,19 +488,31 @@ const OhMyOpenCodePlugin: Plugin = async (ctx) => {
       }
     : {};
 
+  const allTools: Record<string, ToolDefinition> = {
+    ...builtinTools,
+    ...backgroundTools,
+    call_omo_agent: callOmoAgent,
+    ...(lookAt ? { look_at: lookAt } : {}),
+    delegate_task: delegateTask,
+    skill: skillTool,
+    skill_mcp: skillMcpTool,
+    slashcommand: slashcommandTool,
+    interactive_bash,
+    ...taskToolsRecord,
+  };
+
+  const filteredTools: Record<string, ToolDefinition> =
+    disabledTools.size > 0 ? {} : allTools;
+  if (disabledTools.size > 0) {
+    for (const [toolName, toolDefinition] of Object.entries(allTools)) {
+      if (!disabledTools.has(toolName)) {
+        filteredTools[toolName] = toolDefinition;
+      }
+    }
+  }
+
   return {
-    tool: {
-      ...builtinTools,
-      ...backgroundTools,
-      call_omo_agent: callOmoAgent,
-      ...(lookAt ? { look_at: lookAt } : {}),
-      delegate_task: delegateTask,
-      skill: skillTool,
-      skill_mcp: skillMcpTool,
-      slashcommand: slashcommandTool,
-      interactive_bash,
-      ...taskToolsRecord,
-    },
+    tool: filteredTools,
 
     "chat.message": async (input, output) => {
       if (input.agent) {