diff --git a/.woodpecker/ci.yml b/.woodpecker/ci.yml
index 2ffb48a..77cf6b9 100644
--- a/.woodpecker/ci.yml
+++ b/.woodpecker/ci.yml
@@ -271,6 +271,26 @@ steps:
     depends_on:
       - docker-build-orchestrator
 
+  notify-webhook:
+    image: curlimages/curl:8.6.0
+    environment:
+      MOSAIC_WEBHOOK_URL:
+        from_secret: mosaic_webhook_url
+      WOODPECKER_WEBHOOK_SECRET:
+        from_secret: woodpecker_webhook_secret
+    commands:
+      - |
+        BODY="{\"branch\":\"${CI_COMMIT_BRANCH}\",\"status\":\"${CI_PIPELINE_STATUS}\",\"buildUrl\":\"${CI_PIPELINE_LINK}\",\"repo\":\"${CI_REPO}\"}"
+        SIG=$(echo -n "$BODY" | openssl dgst -sha256 -hmac "$WOODPECKER_WEBHOOK_SECRET" | awk '{print $2}')
+        curl -s -o /dev/null -w "%{http_code}" -X POST "${MOSAIC_WEBHOOK_URL}/api/webhooks/woodpecker" \
+          -H "Content-Type: application/json" \
+          -H "X-Woodpecker-Signature: ${SIG}" \
+          -d "$BODY" || true
+    when:
+      - status: [success, failure]
+    depends_on:
+      - build
+
   security-trivy-web:
     image: aquasec/trivy:latest
     environment:
diff --git a/apps/api/src/queue-notifications/queue-notifications.module.ts b/apps/api/src/queue-notifications/queue-notifications.module.ts
index 59f17a0..61a3b9c 100644
--- a/apps/api/src/queue-notifications/queue-notifications.module.ts
+++ b/apps/api/src/queue-notifications/queue-notifications.module.ts
@@ -4,10 +4,11 @@ import { AuthModule } from "../auth/auth.module";
 import { ApiKeyGuard } from "../common/guards/api-key.guard";
 import { QueueNotificationsController } from "./queue-notifications.controller";
 import { QueueNotificationsService } from "./queue-notifications.service";
+import { WoodpeckerWebhookController } from "./woodpecker-webhook.controller";
 
 @Module({
   imports: [ConfigModule, AuthModule],
-  controllers: [QueueNotificationsController],
+  controllers: [QueueNotificationsController, WoodpeckerWebhookController],
   providers: [QueueNotificationsService, ApiKeyGuard],
   exports: [QueueNotificationsService],
 })
diff --git a/apps/api/src/queue-notifications/queue-notifications.service.spec.ts b/apps/api/src/queue-notifications/queue-notifications.service.spec.ts
index b9b5722..89f7012 100644
--- a/apps/api/src/queue-notifications/queue-notifications.service.spec.ts
+++ b/apps/api/src/queue-notifications/queue-notifications.service.spec.ts
@@ -1,7 +1,7 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { ConfigService } from "@nestjs/config";
 import { Logger, NotFoundException } from "@nestjs/common";
-import { mkdtemp, mkdir, rm, writeFile } from "node:fs/promises";
+import { mkdtemp, mkdir, readFile, readdir, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { execFile } from "node:child_process";
@@ -14,17 +14,23 @@ vi.mock("node:child_process", () => ({
 describe("QueueNotificationsService", () => {
   let service: QueueNotificationsService;
   let inboxDir: string;
+  let agentStateDir: string;
   let configService: ConfigService;
 
   beforeEach(async () => {
     vi.clearAllMocks();
     inboxDir = await mkdtemp(join(tmpdir(), "queue-notifications-"));
+    agentStateDir = await mkdtemp(join(tmpdir(), "agent-state-"));
     configService = {
       get: vi.fn((key: string) => {
         if (key === "MOSAIC_QUEUE_INBOX_DIR") {
           return inboxDir;
         }
 
+        if (key === "MOSAIC_AGENT_STATE_DIR") {
+          return agentStateDir;
+        }
+
         if (key === "MOSAIC_QUEUE_CLI") {
           return "/tmp/mosaic-queue-cli.js";
         }
@@ -39,6 +45,7 @@ describe("QueueNotificationsService", () => {
   afterEach(async () => {
     vi.restoreAllMocks();
     await rm(inboxDir, { recursive: true, force: true });
+    await rm(agentStateDir, { recursive: true, force: true });
   });
 
   describe("onModuleInit", () => {
@@ -169,4 +176,93 @@ describe("QueueNotificationsService", () => {
       );
     });
   });
+
+  describe("notifyAgentCiResult", () => {
+    it("writes one notification per active agent-state record matching the branch", async () => {
+      await mkdir(join(agentStateDir, "active"), { recursive: true });
+      await writeFile(
+        join(agentStateDir, "active", "sage-landing-page.json"),
+        JSON.stringify({
+          taskId: "sage-landing-page",
+          status: "spawned",
+          startedAt: "2026-03-08T22:47:20Z",
+          lastUpdated: "2026-03-08T23:15:11.726Z",
+          agent: "sage",
+          branch: "feature/landing-page",
+          description: "Create apps/landing marketing site",
+        })
+      );
+      await writeFile(
+        join(agentStateDir, "active", "pixels-other.json"),
+        JSON.stringify({
+          taskId: "pixels-other",
+          status: "spawned",
+          startedAt: "2026-03-08T22:47:20Z",
+          lastUpdated: "2026-03-08T23:15:11.726Z",
+          agent: "pixels",
+          branch: "feature/something-else",
+          description: "Unrelated",
+        })
+      );
+
+      await expect(
+        service.notifyAgentCiResult({
+          branch: "feature/landing-page",
+          status: "success",
+          buildUrl: "https://ci.example/build/123",
+          repo: "mosaic/stack",
+        })
+      ).resolves.toEqual({ notified: 1 });
+
+      const inboxFiles = await readdir(join(inboxDir, "sage"));
+      expect(inboxFiles).toHaveLength(1);
+
+      const notification = JSON.parse(
+        await readFile(join(inboxDir, "sage", inboxFiles[0]!), "utf8")
+      ) as Record<string, unknown>;
+
+      expect(notification).toMatchObject({
+        taskId: "sage-landing-page",
+        event: "completed",
+        targetAgent: "sage",
+        fromAgent: "mosaic-api",
+        retries: 0,
+        maxRetries: 3,
+        ttlSeconds: 600,
+        payload: {
+          branch: "feature/landing-page",
+          buildUrl: "https://ci.example/build/123",
+          repo: "mosaic/stack",
+          ciStatus: "success",
+        },
+      });
+      expect(typeof notification.id).toBe("string");
+      expect(typeof notification.createdAt).toBe("string");
+    });
+
+    it("returns zero when no active agent-state branch matches the webhook payload", async () => {
+      await mkdir(join(agentStateDir, "active"), { recursive: true });
+      await writeFile(
+        join(agentStateDir, "active", "mosaic-task.json"),
+        JSON.stringify({
+          taskId: "mosaic-task",
+          status: "spawned",
+          startedAt: "2026-03-08T22:47:20Z",
+          lastUpdated: "2026-03-08T23:15:11.726Z",
+          agent: "mosaic",
+          branch: "feature/not-this-one",
+          description: "Unrelated",
+        })
+      );
+
+      await expect(
+        service.notifyAgentCiResult({
+          branch: "feature/landing-page",
+          status: "failure",
+          buildUrl: "https://ci.example/build/456",
+          repo: "mosaic/stack",
+        })
+      ).resolves.toEqual({ notified: 0 });
+    });
+  });
 });
diff --git a/apps/api/src/queue-notifications/queue-notifications.service.ts b/apps/api/src/queue-notifications/queue-notifications.service.ts
index 6db96a9..ca69515 100644
--- a/apps/api/src/queue-notifications/queue-notifications.service.ts
+++ b/apps/api/src/queue-notifications/queue-notifications.service.ts
@@ -6,8 +6,9 @@ import {
   OnModuleInit,
 } from "@nestjs/common";
 import { ConfigService } from "@nestjs/config";
+import { randomUUID } from "node:crypto";
 import { execFile } from "node:child_process";
-import { access, readdir, readFile, stat } from "node:fs/promises";
+import { access, mkdir, readdir, readFile, stat, writeFile } from "node:fs/promises";
 import { homedir } from "node:os";
 import { basename, join } from "node:path";
 import type { Response } from "express";
@@ -29,6 +30,30 @@ export interface QueueTask {
   description: string;
 }
 
+interface AgentStateRecord {
+  taskId: string;
+  agent: string;
+  branch: string;
+}
+
+interface AgentCiNotification {
+  id: string;
+  taskId: string;
+  event: "completed" | "failed";
+  targetAgent: string;
+  fromAgent: string;
+  payload: {
+    branch: string;
+    buildUrl: string;
+    repo: string;
+    ciStatus: "success" | "failure";
+  };
+  createdAt: string;
+  retries: number;
+  maxRetries: number;
+  ttlSeconds: number;
+}
+
 @Injectable()
 export class QueueNotificationsService implements OnModuleInit {
   private readonly logger = new Logger(QueueNotificationsService.name);
@@ -171,6 +196,52 @@ export class QueueNotificationsService implements OnModuleInit {
       });
   }
 
+  async notifyAgentCiResult(opts: {
+    branch: string;
+    status: "success" | "failure";
+    buildUrl: string;
+    repo: string;
+  }): Promise<{ notified: number }> {
+    const activeRecords = await this.listActiveAgentStateRecords();
+    const matches = activeRecords.filter((record) => record.branch === opts.branch);
+
+    await Promise.all(
+      matches.map(async (record) => {
+        const notification: AgentCiNotification = {
+          id: randomUUID(),
+          taskId: record.taskId,
+          event: opts.status === "success" ? "completed" : "failed",
+          targetAgent: record.agent,
+          fromAgent: "mosaic-api",
+          payload: {
+            branch: opts.branch,
+            buildUrl: opts.buildUrl,
+            repo: opts.repo,
+            ciStatus: opts.status,
+          },
+          createdAt: new Date().toISOString(),
+          retries: 0,
+          maxRetries: 3,
+          ttlSeconds: 600,
+        };
+
+        const agentDir = join(this.getInboxDir(), record.agent);
+        // Path is built from the configured inbox root plus validated agent-state entries.
+        // eslint-disable-next-line security/detect-non-literal-fs-filename
+        await mkdir(agentDir, { recursive: true });
+        // Path is built from the configured inbox root plus validated agent-state entries.
+        // eslint-disable-next-line security/detect-non-literal-fs-filename
+        await writeFile(
+          join(agentDir, `${notification.id}.json`),
+          JSON.stringify(notification, null, 2),
+          "utf8"
+        );
+      })
+    );
+
+    return { notified: matches.length };
+  }
+
   private async execQueueCli(args: string[]): Promise<string> {
     const cliPath = this.getQueueCliPath();
 
@@ -198,6 +269,12 @@ export class QueueNotificationsService implements OnModuleInit {
     );
   }
 
+  private getAgentStateDir(): string {
+    return this.expandHomePath(
+      this.configService.get<string>("MOSAIC_AGENT_STATE_DIR") ?? "~/.openclaw/workspace/agents"
+    );
+  }
+
   private getQueueCliPath(): string {
     return this.expandHomePath(
       this.configService.get<string>("MOSAIC_QUEUE_CLI") ?? "~/src/mosaic-queue/dist/cli.js"
@@ -228,4 +305,37 @@ export class QueueNotificationsService implements OnModuleInit {
   private isIgnoredDirectory(name: string): boolean {
     return name === "_acked" || name === "_dead-letter";
   }
+
+  private async listActiveAgentStateRecords(): Promise<AgentStateRecord[]> {
+    const activeDir = join(this.getAgentStateDir(), "active");
+
+    try {
+      // Path comes from controlled config and a fixed "active" subdirectory.
+      // eslint-disable-next-line security/detect-non-literal-fs-filename
+      const entries = await readdir(activeDir, { withFileTypes: true });
+      const records = await Promise.all(
+        entries
+          .filter((entry) => entry.isFile() && entry.name.endsWith(".json"))
+          .map(async (entry) => {
+            const filePath = join(activeDir, entry.name);
+            // Path comes from controlled config plus directory entries under the active root.
+            // eslint-disable-next-line security/detect-non-literal-fs-filename
+            const rawRecord = await readFile(filePath, "utf8");
+            return JSON.parse(rawRecord) as AgentStateRecord;
+          })
+      );
+
+      return records.filter((record) => {
+        return (
+          typeof record.taskId === "string" &&
+          typeof record.agent === "string" &&
+          typeof record.branch === "string"
+        );
+      });
+    } catch (error: unknown) {
+      const message = error instanceof Error ? error.message : String(error);
+      this.logger.warn(`Unable to read active agent-state records from ${activeDir}: ${message}`);
+      return [];
+    }
+  }
 }
diff --git a/apps/api/src/queue-notifications/woodpecker-webhook.controller.spec.ts b/apps/api/src/queue-notifications/woodpecker-webhook.controller.spec.ts
new file mode 100644
index 0000000..3aec8b7
--- /dev/null
+++ b/apps/api/src/queue-notifications/woodpecker-webhook.controller.spec.ts
@@ -0,0 +1,132 @@
+import { createHmac } from "node:crypto";
+import { Logger } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { Test, type TestingModule } from "@nestjs/testing";
+import type { Request } from "express";
+import { describe, beforeEach, expect, it, vi } from "vitest";
+import { QueueNotificationsService } from "./queue-notifications.service";
+import {
+  type WoodpeckerWebhookPayload,
+  WoodpeckerWebhookController,
+} from "./woodpecker-webhook.controller";
+
+function signPayload(payload: WoodpeckerWebhookPayload, secret: string): string {
+  return createHmac("sha256", secret).update(JSON.stringify(payload)).digest("hex");
+}
+
+describe("WoodpeckerWebhookController", () => {
+  let controller: WoodpeckerWebhookController;
+
+  const mockService = {
+    notifyAgentCiResult: vi.fn(),
+  };
+
+  const mockConfigService = {
+    get: vi.fn(),
+  };
+
+  beforeEach(async () => {
+    vi.clearAllMocks();
+    mockConfigService.get.mockImplementation((key: string) => {
+      if (key === "WOODPECKER_WEBHOOK_SECRET") {
+        return "test-secret";
+      }
+
+      return undefined;
+    });
+
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [WoodpeckerWebhookController],
+      providers: [
+        { provide: QueueNotificationsService, useValue: mockService },
+        { provide: ConfigService, useValue: mockConfigService },
+      ],
+    }).compile();
+
+    controller = module.get<WoodpeckerWebhookController>(WoodpeckerWebhookController);
+  });
+
+  it("accepts a valid signature and forwards the payload to the service", async () => {
+    const payload: WoodpeckerWebhookPayload = {
+      branch: "feat/ms24-ci-webhook",
+      status: "success",
+      buildUrl: "https://ci.example/build/123",
+      repo: "mosaic/stack",
+    };
+    const signature = signPayload(payload, "test-secret");
+    mockService.notifyAgentCiResult.mockResolvedValue({ notified: 2 });
+
+    await expect(
+      controller.handleWebhook(
+        { rawBody: Buffer.from(JSON.stringify(payload)) } as Request,
+        payload,
+        signature
+      )
+    ).resolves.toEqual({ ok: true, notified: 2 });
+
+    expect(mockService.notifyAgentCiResult).toHaveBeenCalledWith(payload);
+  });
+
+  it("returns ok without notifying when the signature is invalid", async () => {
+    const warnSpy = vi.spyOn(Logger.prototype, "warn").mockImplementation(() => undefined);
+    const payload: WoodpeckerWebhookPayload = {
+      branch: "feat/ms24-ci-webhook",
+      status: "failure",
+      buildUrl: "https://ci.example/build/123",
+      repo: "mosaic/stack",
+    };
+
+    await expect(
+      controller.handleWebhook(
+        { rawBody: Buffer.from(JSON.stringify(payload)) } as Request,
+        payload,
+        "bad-signature"
+      )
+    ).resolves.toEqual({ ok: true, notified: 0 });
+
+    expect(mockService.notifyAgentCiResult).not.toHaveBeenCalled();
+    expect(warnSpy).toHaveBeenCalledWith(
+      expect.stringContaining("invalid Woodpecker webhook signature")
+    );
+  });
+
+  it("accepts the payload when the webhook secret is missing", async () => {
+    const warnSpy = vi.spyOn(Logger.prototype, "warn").mockImplementation(() => undefined);
+    const payload: WoodpeckerWebhookPayload = {
+      branch: "feat/ms24-ci-webhook",
+      status: "success",
+      buildUrl: "https://ci.example/build/123",
+      repo: "mosaic/stack",
+    };
+    mockConfigService.get.mockReturnValue(undefined);
+    mockService.notifyAgentCiResult.mockResolvedValue({ notified: 1 });
+
+    await expect(controller.handleWebhook({} as Request, payload, "")).resolves.toEqual({
+      ok: true,
+      notified: 1,
+    });
+
+    expect(mockService.notifyAgentCiResult).toHaveBeenCalledWith(payload);
+    expect(warnSpy).toHaveBeenCalledWith(
+      expect.stringContaining("WOODPECKER_WEBHOOK_SECRET is not configured")
+    );
+  });
+
+  it("returns zero notifications when no active branch matches", async () => {
+    const payload: WoodpeckerWebhookPayload = {
+      branch: "feat/ms24-ci-webhook",
+      status: "success",
+      buildUrl: "https://ci.example/build/999",
+      repo: "mosaic/stack",
+    };
+    mockService.notifyAgentCiResult.mockResolvedValue({ notified: 0 });
+
+    await expect(
+      controller.handleWebhook(
+        { rawBody: Buffer.from(JSON.stringify(payload)) } as Request,
+        payload,
+        signPayload(payload, "test-secret")
+      )
+    ).resolves.toEqual({ ok: true, notified: 0 });
+  });
+});
diff --git a/apps/api/src/queue-notifications/woodpecker-webhook.controller.ts b/apps/api/src/queue-notifications/woodpecker-webhook.controller.ts
new file mode 100644
index 0000000..b24be07
--- /dev/null
+++ b/apps/api/src/queue-notifications/woodpecker-webhook.controller.ts
@@ -0,0 +1,73 @@
+import { Body, Controller, Headers, Logger, Post, Req, type RawBodyRequest } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { createHmac, timingSafeEqual } from "node:crypto";
+import type { Request } from "express";
+import { SkipCsrf } from "../common/decorators/skip-csrf.decorator";
+import { QueueNotificationsService } from "./queue-notifications.service";
+
+export interface WoodpeckerWebhookPayload {
+  branch: string;
+  status: "success" | "failure";
+  buildUrl: string;
+  repo: string;
+}
+
+@Controller("webhooks")
+export class WoodpeckerWebhookController {
+  private readonly logger = new Logger(WoodpeckerWebhookController.name);
+
+  constructor(
+    private readonly queueService: QueueNotificationsService,
+    private readonly configService: ConfigService
+  ) {}
+
+  @SkipCsrf()
+  @Post("woodpecker")
+  async handleWebhook(
+    @Req() req: RawBodyRequest<Request>,
+    @Body() body: WoodpeckerWebhookPayload,
+    @Headers("x-woodpecker-signature") signature: string
+  ): Promise<{ ok: boolean; notified: number }> {
+    const secret = this.configService.get<string>("WOODPECKER_WEBHOOK_SECRET");
+
+    if (!secret) {
+      this.logger.warn("WOODPECKER_WEBHOOK_SECRET is not configured; accepting Woodpecker webhook");
+      const result = await this.queueService.notifyAgentCiResult(body);
+      return { ok: true, notified: result.notified };
+    }
+
+    if (!this.isValidSignature(this.getRequestBody(req, body), signature, secret)) {
+      this.logger.warn("Received invalid Woodpecker webhook signature");
+      return { ok: true, notified: 0 };
+    }
+
+    const result = await this.queueService.notifyAgentCiResult(body);
+    return { ok: true, notified: result.notified };
+  }
+
+  private getRequestBody(req: RawBodyRequest<Request>, body: WoodpeckerWebhookPayload): Buffer {
+    const rawBody = req.rawBody;
+
+    if (Buffer.isBuffer(rawBody)) {
+      return rawBody;
+    }
+
+    return Buffer.from(JSON.stringify(body));
+  }
+
+  private isValidSignature(body: Buffer, signature: string | undefined, secret: string): boolean {
+    if (!signature) {
+      return false;
+    }
+
+    const expected = createHmac("sha256", secret).update(body).digest("hex");
+    const signatureBuffer = Buffer.from(signature);
+    const expectedBuffer = Buffer.from(expected);
+
+    if (signatureBuffer.length !== expectedBuffer.length) {
+      return false;
+    }
+
+    return timingSafeEqual(signatureBuffer, expectedBuffer);
+  }
+}