diff --git a/packages/workflow-agent-office/__tests__/agent.test.ts b/packages/workflow-agent-office/__tests__/agent.test.ts
new file mode 100644
index 0000000..01bb3c4
--- /dev/null
+++ b/packages/workflow-agent-office/__tests__/agent.test.ts
@@ -0,0 +1,27 @@
+import { describe, expect, test } from "bun:test";
+import { packageDescriptor } from "../src/package-descriptor.js";
+import { createOfficeAgent } from "../src/agent.js";
+
+describe("createOfficeAgent", () => {
+  test("returns an AdapterFn (function)", () => {
+    const agent = createOfficeAgent({ outputDir: "/tmp", command: null, timeout: null });
+    expect(typeof agent).toBe("function");
+  });
+
+  test("AdapterFn returns a RoleFn (function)", () => {
+    const agent = createOfficeAgent({ outputDir: "/tmp", command: null, timeout: null });
+    const roleFn = agent("", expect.anything() as never);
+    expect(typeof roleFn).toBe("function");
+  });
+});
+
+describe("packageDescriptor", () => {
+  test("has correct name", () => {
+    expect(packageDescriptor.name).toBe("@uncaged/workflow-agent-office");
+  });
+
+  test("has outputDir in configSchema required", () => {
+    const schema = packageDescriptor.configSchema as { required: string[] };
+    expect(schema.required).toContain("outputDir");
+  });
+});
diff --git a/packages/workflow-agent-office/src/agent.ts b/packages/workflow-agent-office/src/agent.ts
new file mode 100644
index 0000000..2c5fae8
--- /dev/null
+++ b/packages/workflow-agent-office/src/agent.ts
@@ -0,0 +1,44 @@
+import * as z from "zod/v4";
+import type { AdapterFn, RoleResult, ThreadContext, WorkflowRuntime } from "@uncaged/workflow-runtime";
+import { createLogger } from "@uncaged/workflow-util";
+import { editDocument, generateDocument } from "./runner.js";
+import type { OfficeAgentConfig } from "./types.js";
+
+const log = createLogger({ sink: { kind: "stderr" } });
+
+type ParsedInput = { prompt: string; inputDocx: string | null };
+
+function parseStartInput(content: string): ParsedInput {
+  try {
+    const parsed = JSON.parse(content) as Record<string, unknown>;
+    if (typeof parsed.prompt === "string") {
+      return {
+        prompt: parsed.prompt,
+        inputDocx: typeof parsed.inputDocx === "string" ? parsed.inputDocx : null,
+      };
+    }
+  } catch {
+    // not JSON — treat whole content as prompt, generate mode
+  }
+  return { prompt: content, inputDocx: null };
+}
+
+export function createOfficeAgent(config: OfficeAgentConfig): AdapterFn {
+  return <T>(_systemPrompt: string, schema: z.ZodType<T>) =>
+    async (ctx: ThreadContext, _runtime: WorkflowRuntime): Promise<RoleResult<T>> => {
+      const { prompt, inputDocx } = parseStartInput(ctx.start.content);
+      log("8FQKP3NV", `office-agent: mode=${inputDocx === null ? "generate" : "edit"} thread=${ctx.threadId}`);
+
+      let raw: string;
+      if (inputDocx === null) {
+        const result = await generateDocument(config, ctx.threadId, prompt);
+        raw = JSON.stringify({ mode: "generate", outputDocx: result.outputDocx, sourceDocx: null });
+      } else {
+        const result = await editDocument(config, ctx.threadId, prompt, inputDocx);
+        raw = JSON.stringify({ mode: "edit", outputDocx: result.outputDocx, sourceDocx: result.sourceDocx });
+      }
+
+      const meta = schema.parse(JSON.parse(raw)) as T;
+      return { meta, childThread: null };
+    };
+}
diff --git a/packages/workflow-agent-office/src/index.ts b/packages/workflow-agent-office/src/index.ts
index cb0ff5c..0964445 100644
--- a/packages/workflow-agent-office/src/index.ts
+++ b/packages/workflow-agent-office/src/index.ts
@@ -1 +1,3 @@
-export {};
+export { createOfficeAgent } from "./agent.js";
+export { packageDescriptor } from "./package-descriptor.js";
+export type { OfficeAgentConfig } from "./types.js";
diff --git a/packages/workflow-agent-office/src/package-descriptor.ts b/packages/workflow-agent-office/src/package-descriptor.ts
new file mode 100644
index 0000000..b2fdba7
--- /dev/null
+++ b/packages/workflow-agent-office/src/package-descriptor.ts
@@ -0,0 +1,26 @@
+import type { PackageDescriptor } from "@uncaged/workflow-runtime";
+
+export const packageDescriptor: PackageDescriptor = {
+  name: "@uncaged/workflow-agent-office",
+  version: "0.1.0",
+  capabilities: ["office-agent-cli", "docx-generate", "docx-edit"],
+  configSchema: {
+    type: "object",
+    required: ["outputDir"],
+    properties: {
+      outputDir: {
+        type: "string",
+        description: "Root directory for workflow outputs; subdirs are created per threadId.",
+      },
+      command: {
+        anyOf: [{ type: "string" }, { type: "null" }],
+        description: "Path to office-agent CLI binary; null uses PATH.",
+      },
+      timeout: {
+        anyOf: [{ type: "number" }, { type: "null" }],
+        description: "Timeout in milliseconds; null means no limit.",
+      },
+    },
+    additionalProperties: false,
+  },
+};