diff --git a/packages/engine/src/__tests__/agent-tools.test.ts b/packages/engine/src/__tests__/agent-tools.test.ts
index d2436efdb2..3bd495269b 100644
--- a/packages/engine/src/__tests__/agent-tools.test.ts
+++ b/packages/engine/src/__tests__/agent-tools.test.ts
@@ -17,6 +17,11 @@ import {
   createResearchTools,
   createWorkflowListTool,
   createWorkflowSelectTool,
+  createTaskPromoteTool,
+  createWorkflowCreateTool,
+  createWorkflowUpdateTool,
+  createWorkflowDeleteTool,
+  createTraitListTool,
   qmdAgentMemoryCollectionName,
   readAgentMemoryWorkspaceLongTerm,
   sendMessageParams,
@@ -26,6 +31,12 @@ import * as core from "@fusion/core";
 import { ChatStore, Database } from "@fusion/core";
 import type { MessageStore, Message } from "@fusion/core";
 import { getEnabledPluginTools, getResearchToolSurfaceStatus } from "../tool-availability.js";
+import { promoteHeldTask } from "../hold-release.js";
+
+vi.mock("../hold-release.js", () => ({
+  promoteHeldTask: vi.fn(),
+}));
+const mockPromoteHeldTask = vi.mocked(promoteHeldTask);
 
 const loggerSpies = vi.hoisted(() => ({
   log: vi.fn(),
@@ -384,24 +395,40 @@ describe("createWorkflowListTool", () => {
 
 describe("createWorkflowSelectTool", () => {
   it("selects for the current task by default and reports enabled step count", async () => {
-    const store = { selectTaskWorkflow: vi.fn().mockResolvedValue(["workflow:WF-003:lint"]) };
+    const store = {
+      selectTaskWorkflowAndReconcile: vi.fn().mockResolvedValue({ enabledWorkflowSteps: ["workflow:WF-003:lint"] }),
+    };
     const tool = createWorkflowSelectTool(store as any, "FN-200");
     const result = await tool.execute("call-1", { workflow_id: "WF-003" } as any, undefined, undefined, {} as any);
-    expect(store.selectTaskWorkflow).toHaveBeenCalledWith("FN-200", "WF-003");
+    expect(store.selectTaskWorkflowAndReconcile).toHaveBeenCalledWith("FN-200", "WF-003");
     const text = result.content[0]?.type === "text" ? result.content[0].text : "";
     expect(text).toContain("Selected workflow WF-003 for FN-200 (1 step enabled)");
     expect(result.details).toMatchObject({ taskId: "FN-200", workflowId: "WF-003" });
   });
 
   it("honors an explicit task_id override", async () => {
-    const store = { selectTaskWorkflow: vi.fn().mockResolvedValue([]) };
+    const store = { selectTaskWorkflowAndReconcile: vi.fn().mockResolvedValue({ enabledWorkflowSteps: [] }) };
     const tool = createWorkflowSelectTool(store as any, "FN-200");
     await tool.execute("call-1", { workflow_id: "builtin:coding", task_id: "FN-999" } as any, undefined, undefined, {} as any);
-    expect(store.selectTaskWorkflow).toHaveBeenCalledWith("FN-999", "builtin:coding");
+    expect(store.selectTaskWorkflowAndReconcile).toHaveBeenCalledWith("FN-999", "builtin:coding");
+  });
+
+  it("surfaces the reconciliation re-home outcome", async () => {
+    const store = {
+      selectTaskWorkflowAndReconcile: vi.fn().mockResolvedValue({
+        enabledWorkflowSteps: [],
+        reconciliation: { preserved: false, fromColumn: "review", toColumn: "intake" },
+      }),
+    };
+    const tool = createWorkflowSelectTool(store as any, "FN-200");
+    const result = await tool.execute("call-1", { workflow_id: "WF-003" } as any, undefined, undefined, {} as any);
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toContain("Re-homed from 'review' to 'intake'");
+    expect(result.details).toMatchObject({ reconciliation: { preserved: false, fromColumn: "review", toColumn: "intake" } });
   });
 
   it("returns an error result when selection fails", async () => {
-    const store = { selectTaskWorkflow: vi.fn().mockRejectedValue(new Error("Workflow not found: WF-404")) };
+    const store = { selectTaskWorkflowAndReconcile: vi.fn().mockRejectedValue(new Error("Workflow not found: WF-404")) };
     const tool = createWorkflowSelectTool(store as any, "FN-200");
     const result = await tool.execute("call-1", { workflow_id: "WF-404" } as any, undefined, undefined, {} as any);
     expect((result as { isError?: boolean }).isError).toBe(true);
@@ -410,6 +437,124 @@ describe("createWorkflowSelectTool", () => {
   });
 });
 
+describe("createTaskPromoteTool", () => {
+  beforeEach(() => mockPromoteHeldTask.mockReset());
+
+  it("promotes the current task by default and reports the destination column", async () => {
+    const store = {} as any;
+    mockPromoteHeldTask.mockResolvedValue({ released: true, toColumn: "ready" });
+    const tool = createTaskPromoteTool(store, "FN-200");
+    const result = await tool.execute("c", {} as any, undefined, undefined, {} as any);
+    expect(mockPromoteHeldTask).toHaveBeenCalledWith(store, "FN-200");
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toContain("Promoted FN-200 to column 'ready'");
+    expect(result.details).toMatchObject({ taskId: "FN-200", released: true, toColumn: "ready" });
+  });
+
+  it("honors an explicit task_id and surfaces a rejection as an error", async () => {
+    const store = {} as any;
+    mockPromoteHeldTask.mockResolvedValue({ released: false, rejection: "not-held" });
+    const tool = createTaskPromoteTool(store, "FN-200");
+    const result = await tool.execute("c", { task_id: "FN-999" } as any, undefined, undefined, {} as any);
+    expect(mockPromoteHeldTask).toHaveBeenCalledWith(store, "FN-999");
+    expect((result as { isError?: boolean }).isError).toBe(true);
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toMatch(/not-held/);
+  });
+});
+
+describe("createWorkflowCreateTool", () => {
+  it("creates a workflow and returns the new id", async () => {
+    const store = { createWorkflowDefinition: vi.fn().mockResolvedValue({ id: "WF-010", name: "QA" }) };
+    const tool = createWorkflowCreateTool(store as any);
+    const result = await tool.execute("c", { name: "QA", ir: { columns: [] } } as any, undefined, undefined, {} as any);
+    expect(store.createWorkflowDefinition).toHaveBeenCalledWith(
+      expect.objectContaining({ name: "QA", ir: { columns: [] } }),
+    );
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toContain("Created workflow WF-010 (QA)");
+  });
+
+  it("returns an error result when creation fails", async () => {
+    const store = { createWorkflowDefinition: vi.fn().mockRejectedValue(new Error("Workflow name is required")) };
+    const tool = createWorkflowCreateTool(store as any);
+    const result = await tool.execute("c", { name: "", ir: {} } as any, undefined, undefined, {} as any);
+    expect((result as { isError?: boolean }).isError).toBe(true);
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toMatch(/name is required/);
+  });
+});
+
+describe("createWorkflowUpdateTool", () => {
+  it("updates a workflow and reports the name", async () => {
+    const store = { updateWorkflowDefinition: vi.fn().mockResolvedValue({ id: "WF-010", name: "QA v2" }) };
+    const tool = createWorkflowUpdateTool(store as any);
+    const result = await tool.execute("c", { workflow_id: "WF-010", name: "QA v2" } as any, undefined, undefined, {} as any);
+    expect(store.updateWorkflowDefinition).toHaveBeenCalledWith("WF-010", expect.objectContaining({ name: "QA v2" }));
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toContain("Updated workflow WF-010 (QA v2)");
+  });
+
+  it("forwards rehome_to as rehomeTo", async () => {
+    const store = { updateWorkflowDefinition: vi.fn().mockResolvedValue({ id: "WF-010", name: "QA" }) };
+    const tool = createWorkflowUpdateTool(store as any);
+    await tool.execute("c", { workflow_id: "WF-010", ir: { columns: [] }, rehome_to: "intake" } as any, undefined, undefined, {} as any);
+    expect(store.updateWorkflowDefinition).toHaveBeenCalledWith("WF-010", expect.objectContaining({ rehomeTo: "intake" }));
+  });
+
+  it("surfaces an OccupiedColumnsError as a structured retryable response", async () => {
+    const err = new core.OccupiedColumnsError("WF-010", [{ columnId: "review", count: 2 }]);
+    const store = { updateWorkflowDefinition: vi.fn().mockRejectedValue(err) };
+    const tool = createWorkflowUpdateTool(store as any);
+    const result = await tool.execute("c", { workflow_id: "WF-010", ir: { columns: [] } } as any, undefined, undefined, {} as any);
+    expect((result as { isError?: boolean }).isError).toBe(true);
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toContain("review (2)");
+    expect(text).toMatch(/rehome_to/);
+    expect(result.details).toMatchObject({
+      occupiedColumns: [{ columnId: "review", count: 2 }],
+      workflowId: "WF-010",
+      retryWith: "rehome_to",
+    });
+  });
+});
+
+describe("createWorkflowDeleteTool", () => {
+  it("deletes a workflow", async () => {
+    const store = { deleteWorkflowDefinition: vi.fn().mockResolvedValue(undefined) };
+    const tool = createWorkflowDeleteTool(store as any);
+    const result = await tool.execute("c", { workflow_id: "WF-010" } as any, undefined, undefined, {} as any);
+    expect(store.deleteWorkflowDefinition).toHaveBeenCalledWith("WF-010");
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toContain("Deleted workflow WF-010");
+  });
+
+  it("surfaces a built-in protection error", async () => {
+    const store = {
+      deleteWorkflowDefinition: vi.fn().mockRejectedValue(new Error("Built-in workflows cannot be deleted")),
+    };
+    const tool = createWorkflowDeleteTool(store as any);
+    const result = await tool.execute("c", { workflow_id: "builtin:coding" } as any, undefined, undefined, {} as any);
+    expect((result as { isError?: boolean }).isError).toBe(true);
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toMatch(/cannot be deleted/);
+  });
+});
+
+describe("createTraitListTool", () => {
+  it("lists the trait catalog with ids, names, and flags in details", async () => {
+    const tool = createTraitListTool();
+    const result = await tool.execute("c", {} as any, undefined, undefined, {} as any);
+    const text = result.content[0]?.type === "text" ? result.content[0].text : "";
+    expect(text).toMatch(/Available traits:/);
+    const traits = (result.details as { traits?: Array<{ id: string; name: string; flags: unknown }> }).traits ?? [];
+    expect(traits.length).toBeGreaterThan(0);
+    expect(traits[0]).toHaveProperty("id");
+    expect(traits[0]).toHaveProperty("name");
+    expect(traits[0]).toHaveProperty("flags");
+  });
+});
+
 describe("createTaskLogToolWithContext", () => {
   it("returns a graceful archived read-only message instead of throwing", async () => {
     const store = {
diff --git a/packages/engine/src/agent-tools.ts b/packages/engine/src/agent-tools.ts
index 630cd99639..1b05ae665f 100644
--- a/packages/engine/src/agent-tools.ts
+++ b/packages/engine/src/agent-tools.ts
@@ -12,6 +12,8 @@ import { existsSync } from "node:fs";
 import { createHash } from "node:crypto";
 import { join, relative, resolve } from "node:path";
 import type { AgentStore, AgentState, AgentCapability, AgentUpdateInput, TaskDocument, TaskDocumentCreateInput, TaskStore, RunMutationContext, MessageStore, Message, SourceType, Settings, ResearchRun, ResearchRunStatus, TaskCreateInput, ReflectionStore, ApprovalRequestStore, ProjectSettings, ChatStore } from "@fusion/core";
+import { listTraits } from "@fusion/core";
+import { promoteHeldTask } from "./hold-release.js";
 import { DASHBOARD_USER_ID, canAgentTakeImplementationTaskForExplicitRouting, dailyMemoryPath, ensureOpenClawMemoryFiles, extractAgentProvisioningRequest, formatRoleMismatchReason, getMemoryBackendCapabilities, getProjectMemory, isEphemeralAgent, memoryLongTermPath, normalizeMessageParticipant, reconcileDeterministicDuplicate, resolveAgentProvisioningPolicy, resolveMemoryBackend, resolveResearchSettings, resolveTaskGithubTracking, resolveTitleSummarizerSettingsModel, runDeterministicDuplicateGuard, scheduleQmdProjectMemoryRefresh, searchProjectMemory, shouldSkipBackgroundQmdRefresh, summarizeTitle } from "@fusion/core";
 import { ResearchOrchestrator } from "./research-orchestrator.js";
 import { ResearchProviderRegistry } from "./research/provider-registry.js";
@@ -74,6 +76,47 @@ export const workflowSelectParams = Type.Object({
   ),
 });
 
+export const taskPromoteParams = Type.Object({
+  task_id: Type.Optional(
+    Type.String({ description: "Held task to promote. Defaults to the current task." }),
+  ),
+});
+
+export const workflowCreateParams = Type.Object({
+  name: Type.String({ description: "Workflow name (required, non-empty)." }),
+  description: Type.Optional(Type.String({ description: "Optional human-readable description." })),
+  ir: Type.Unknown({
+    description:
+      "Workflow graph (intermediate representation). Validated server-side; a malformed graph is rejected.",
+  }),
+  layout: Type.Optional(
+    Type.Record(Type.String(), Type.Unknown(), {
+      description: "Optional node layout map keyed by node id.",
+    }),
+  ),
+});
+
+export const workflowUpdateParams = Type.Object({
+  workflow_id: Type.String({ description: "The workflow definition ID to update (built-ins cannot be edited)." }),
+  name: Type.Optional(Type.String({ description: "New name." })),
+  description: Type.Optional(Type.String({ description: "New description." })),
+  ir: Type.Optional(Type.Unknown({ description: "Replacement workflow graph (validated server-side)." })),
+  layout: Type.Optional(Type.Record(Type.String(), Type.Unknown(), { description: "Replacement node layout map." })),
+  rehome_to: Type.Optional(
+    Type.String({
+      description:
+        "When an IR update removes a column that still holds cards, supply the column id to re-home those occupants into. " +
+        "Required to resolve an OccupiedColumns conflict; the target must exist in the new IR.",
+    }),
+  ),
+});
+
+export const workflowDeleteParams = Type.Object({
+  workflow_id: Type.String({ description: "The workflow definition ID to delete (built-ins cannot be deleted)." }),
+});
+
+export const traitListParams = Type.Object({});
+
 export const reflectOnPerformanceParams = Type.Object({
   focus_area: Type.Optional(
     Type.String({ description: "Optional focus area for reflection (e.g., 'code quality', 'speed', 'testing')" }),
@@ -1006,13 +1049,23 @@ export function createWorkflowSelectTool(store: TaskStore, currentTaskId: string
     execute: async (_id: string, params: Static<typeof workflowSelectParams>) => {
       const taskId = params.task_id?.trim() || currentTaskId;
       try {
-        const enabled = await store.selectTaskWorkflow(taskId, params.workflow_id);
+        const { enabledWorkflowSteps: enabled, reconciliation } =
+          await store.selectTaskWorkflowAndReconcile(taskId, params.workflow_id);
+        const stepSummary = `${enabled.length} step${enabled.length === 1 ? "" : "s"} enabled`;
+        // Surface the reconciliation outcome so the agent observes any re-home:
+        // a preserved card stays put; an unpreserved card moves fromColumn→toColumn.
+        const rehomeNote =
+          reconciliation && !reconciliation.preserved && reconciliation.fromColumn !== reconciliation.toColumn
+            ? ` Re-homed from '${reconciliation.fromColumn}' to '${reconciliation.toColumn}'.`
+            : reconciliation
+              ? ` Card preserved in '${reconciliation.toColumn}'.`
+              : "";
         return {
           content: [{
             type: "text" as const,
-            text: `Selected workflow ${params.workflow_id} for ${taskId} (${enabled.length} step${enabled.length === 1 ? "" : "s"} enabled).`,
+            text: `Selected workflow ${params.workflow_id} for ${taskId} (${stepSummary}).${rehomeNote}`,
           }],
-          details: { taskId, workflowId: params.workflow_id, enabledWorkflowSteps: enabled },
+          details: { taskId, workflowId: params.workflow_id, enabledWorkflowSteps: enabled, reconciliation },
         };
       // eslint-disable-next-line @typescript-eslint/no-explicit-any
       } catch (err: any) {
@@ -1026,6 +1079,239 @@ export function createWorkflowSelectTool(store: TaskStore, currentTaskId: string
   };
 }
 
+/**
+ * Create a `fn_task_promote` tool that manually releases a held task out of its
+ * hold column — the agent-native equivalent of the dashboard's "promote" action.
+ * Defaults to the current task. Wraps {@link promoteHeldTask}.
+ */
+export function createTaskPromoteTool(store: TaskStore, currentTaskId: string): ToolDefinition {
+  return {
+    name: "fn_task_promote",
+    label: "Promote Held Task",
+    description:
+      "Manually promote a held task out of its hold column, releasing it regardless of the " +
+      "hold's release kind (the explicit operator action a 'manual' hold waits for). Defaults " +
+      "to the current task. Returns the destination column, or a rejection reason when the task " +
+      "is not held or the destination is full.",
+    parameters: taskPromoteParams,
+    execute: async (_id: string, params: Static<typeof taskPromoteParams>) => {
+      const taskId = params.task_id?.trim() || currentTaskId;
+      try {
+        const outcome = await promoteHeldTask(store, taskId);
+        if (outcome.released) {
+          return {
+            content: [{
+              type: "text" as const,
+              text: `Promoted ${taskId} to column '${outcome.toColumn}'.`,
+            }],
+            details: { taskId, released: true, toColumn: outcome.toColumn },
+          };
+        }
+        return {
+          content: [{
+            type: "text" as const,
+            text: `ERROR: Could not promote ${taskId}: ${outcome.rejection ?? "unknown"}.`,
+          }],
+          details: { taskId, released: false, rejection: outcome.rejection },
+          isError: true,
+        };
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } catch (err: any) {
+        return {
+          content: [{ type: "text" as const, text: `ERROR: Failed to promote task: ${err?.message ?? err}` }],
+          details: {},
+          isError: true,
+        };
+      }
+    },
+  };
+}
+
+/**
+ * Create a `fn_workflow_create` tool — a thin wrapper over the store's workflow
+ * definition create. The IR is validated server-side; a malformed graph rejects.
+ */
+export function createWorkflowCreateTool(store: TaskStore): ToolDefinition {
+  return {
+    name: "fn_workflow_create",
+    label: "Create Workflow",
+    description:
+      "Create a new custom workflow definition from a name and a workflow graph (IR). " +
+      "The IR is validated server-side. Returns the new workflow ID.",
+    parameters: workflowCreateParams,
+    execute: async (_id: string, params: Static<typeof workflowCreateParams>) => {
+      try {
+        const created = await store.createWorkflowDefinition({
+          name: params.name,
+          description: params.description,
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
+          ir: params.ir as any,
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
+          layout: params.layout as any,
+        });
+        return {
+          content: [{ type: "text" as const, text: `Created workflow ${created.id} (${created.name}).` }],
+          details: { workflowId: created.id, name: created.name },
+        };
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } catch (err: any) {
+        return {
+          content: [{ type: "text" as const, text: `ERROR: Failed to create workflow: ${err?.message ?? err}` }],
+          details: {},
+          isError: true,
+        };
+      }
+    },
+  };
+}
+
+/**
+ * Create a `fn_workflow_update` tool — a thin wrapper over the store's workflow
+ * definition update. When an IR change removes a still-occupied column, the store
+ * throws an OccupiedColumnsError; we surface it as a structured response carrying
+ * the per-column occupant counts so the agent can retry with `rehome_to`.
+ */
+export function createWorkflowUpdateTool(store: TaskStore): ToolDefinition {
+  return {
+    name: "fn_workflow_update",
+    label: "Update Workflow",
+    description:
+      "Update a custom workflow definition (name/description/ir/layout). Built-ins cannot be edited. " +
+      "If an IR change removes a column that still holds cards, the update is blocked and returns the " +
+      "occupied columns — retry with rehome_to set to a column id that survives in the new IR.",
+    parameters: workflowUpdateParams,
+    execute: async (_id: string, params: Static<typeof workflowUpdateParams>) => {
+      try {
+        const updated = await store.updateWorkflowDefinition(params.workflow_id, {
+          name: params.name,
+          description: params.description,
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
+          ir: params.ir as any,
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
+          layout: params.layout as any,
+          rehomeTo: params.rehome_to,
+        });
+        return {
+          content: [{ type: "text" as const, text: `Updated workflow ${updated.id} (${updated.name}).` }],
+          details: { workflowId: updated.id, name: updated.name },
+        };
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } catch (err: any) {
+        // Surface the typed OccupiedColumnsError as a structured, retryable result.
+        if (err?.name === "OccupiedColumnsError") {
+          const occupancies = err.occupancies ?? [];
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
+          const summary = occupancies.map((o: any) => `${o.columnId} (${o.count})`).join(", ");
+          return {
+            content: [{
+              type: "text" as const,
+              text:
+                `ERROR: Update removes occupied column(s): ${summary}. ` +
+                `Retry with rehome_to set to a surviving column id.`,
+            }],
+            details: { occupiedColumns: occupancies, workflowId: err.workflowId, retryWith: "rehome_to" },
+            isError: true,
+          };
+        }
+        return {
+          content: [{ type: "text" as const, text: `ERROR: Failed to update workflow: ${err?.message ?? err}` }],
+          details: {},
+          isError: true,
+        };
+      }
+    },
+  };
+}
+
+/**
+ * Create a `fn_workflow_delete` tool — a thin wrapper over the store's workflow
+ * definition delete. Surfaces built-in protection and not-found errors as
+ * structured responses. (The store auto-re-homes occupants to the default
+ * workflow on delete, so no rehome target is required here.)
+ */
+export function createWorkflowDeleteTool(store: TaskStore): ToolDefinition {
+  return {
+    name: "fn_workflow_delete",
+    label: "Delete Workflow",
+    description:
+      "Delete a custom workflow definition. Built-ins cannot be deleted. Any tasks using it have " +
+      "their selection cleared and are re-homed to the default workflow's entry column.",
+    parameters: workflowDeleteParams,
+    execute: async (_id: string, params: Static<typeof workflowDeleteParams>) => {
+      try {
+        await store.deleteWorkflowDefinition(params.workflow_id);
+        return {
+          content: [{ type: "text" as const, text: `Deleted workflow ${params.workflow_id}.` }],
+          details: { workflowId: params.workflow_id },
+        };
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } catch (err: any) {
+        if (err?.name === "OccupiedColumnsError") {
+          const occupancies = err.occupancies ?? [];
+          // eslint-disable-next-line @typescript-eslint/no-explicit-any
+          const summary = occupancies.map((o: any) => `${o.columnId} (${o.count})`).join(", ");
+          return {
+            content: [{
+              type: "text" as const,
+              text: `ERROR: Delete blocked by occupied column(s): ${summary}.`,
+            }],
+            details: { occupiedColumns: occupancies, workflowId: err.workflowId },
+            isError: true,
+          };
+        }
+        return {
+          content: [{ type: "text" as const, text: `ERROR: Failed to delete workflow: ${err?.message ?? err}` }],
+          details: {},
+          isError: true,
+        };
+      }
+    },
+  };
+}
+
+/**
+ * Create a `fn_trait_list` tool that returns the trait catalog from
+ * {@link listTraits} — the column-behavior building blocks (id, name, flags)
+ * used when authoring workflow columns.
+ */
+export function createTraitListTool(): ToolDefinition {
+  return {
+    name: "fn_trait_list",
+    label: "List Traits",
+    description:
+      "List the available column traits (the behavior building blocks for workflow columns): " +
+      "id, name, description, and behavior flags. Use when authoring or updating a workflow IR.",
+    parameters: traitListParams,
+    execute: async () => {
+      try {
+        const traits = listTraits();
+        if (traits.length === 0) {
+          return {
+            content: [{ type: "text" as const, text: "No traits are registered." }],
+            details: { traits: [] },
+          };
+        }
+        const lines = traits.map(
+          (t) => `- ${t.id}: ${t.name}${t.description ? ` — ${t.description}` : ""}`,
+        );
+        return {
+          content: [{ type: "text" as const, text: `Available traits:\n${lines.join("\n")}` }],
+          details: {
+            traits: traits.map((t) => ({ id: t.id, name: t.name, description: t.description, flags: t.flags })),
+          },
+        };
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      } catch (err: any) {
+        return {
+          content: [{ type: "text" as const, text: `ERROR: Failed to list traits: ${err?.message ?? err}` }],
+          details: {},
+          isError: true,
+        };
+      }
+    },
+  };
+}
+
 export function createMemorySearchTool(rootDir: string, settings?: MemoryToolSettings, options?: MemoryToolOptions): ToolDefinition {
   return {
     name: "fn_memory_search",
diff --git a/packages/engine/src/executor.ts b/packages/engine/src/executor.ts
index b2d88c30b7..22cdcf226f 100644
--- a/packages/engine/src/executor.ts
+++ b/packages/engine/src/executor.ts
@@ -145,6 +145,11 @@ import {
   createTaskLogTool as sharedCreateTaskLogTool,
   createWorkflowListTool as sharedCreateWorkflowListTool,
   createWorkflowSelectTool as sharedCreateWorkflowSelectTool,
+  createTaskPromoteTool as sharedCreateTaskPromoteTool,
+  createWorkflowCreateTool as sharedCreateWorkflowCreateTool,
+  createWorkflowUpdateTool as sharedCreateWorkflowUpdateTool,
+  createWorkflowDeleteTool as sharedCreateWorkflowDeleteTool,
+  createTraitListTool as sharedCreateTraitListTool,
 } from "./agent-tools.js";
 import { getTaskCompletionBlockerForStore } from "./task-completion.js";
 import { createStreamingDeltaNormalizer } from "./streaming-delta.js";
@@ -4790,6 +4795,11 @@ export class TaskExecutor {
         this.createTaskDocumentReadTool(task.id),
         this.createWorkflowListTool(),
         this.createWorkflowSelectTool(task.id),
+        this.createTaskPromoteTool(task.id),
+        this.createWorkflowCreateTool(),
+        this.createWorkflowUpdateTool(),
+        this.createWorkflowDeleteTool(),
+        this.createTraitListTool(),
         ...(isResearchToolSurfaceEnabled(settings)
           ? createResearchTools({
             store: this.store,
@@ -6549,6 +6559,26 @@ export class TaskExecutor {
     return sharedCreateWorkflowSelectTool(this.store, taskId);
   }
 
+  private createTaskPromoteTool(taskId: string): ToolDefinition {
+    return sharedCreateTaskPromoteTool(this.store, taskId);
+  }
+
+  private createWorkflowCreateTool(): ToolDefinition {
+    return sharedCreateWorkflowCreateTool(this.store);
+  }
+
+  private createWorkflowUpdateTool(): ToolDefinition {
+    return sharedCreateWorkflowUpdateTool(this.store);
+  }
+
+  private createWorkflowDeleteTool(): ToolDefinition {
+    return sharedCreateWorkflowDeleteTool(this.store);
+  }
+
+  private createTraitListTool(): ToolDefinition {
+    return sharedCreateTraitListTool();
+  }
+
   private createTaskAddDepTool(taskId: string): ToolDefinition {
     const store = this.store;
     return {