diff --git a/TOOLS.md b/TOOLS.md
index 14645b1..2d5c530 100644
--- a/TOOLS.md
+++ b/TOOLS.md
@@ -1,4 +1,4 @@
-# Available Iterable MCP Tools (109 tools)
+# Available Iterable MCP Tools (118 tools)
 
 **Legend:**
 - 🔒 = Requires enabling user PII access
@@ -50,11 +50,20 @@
 - **track_bulk_events** 🔒✏️✉️: Track multiple events in a single request for better performance
 - **track_event** 🔒✏️✉️: Track a custom event for a user
 
-## Experiments (4 tools)
+## Experiments (13 tools)
+- **cancel_experiment** ✏️: Cancel a running or winner_found campaign experiment without declaring a winner.
+- **copy_experiment_variant** ✏️: Copy a template into a new variant on a draft or ready campaign experiment.
+- **create_experiment** ✏️: Create a draft campaign experiment. The campaign template becomes the control.
+- **declare_experiment_winner** ✏️✉️: Declare a winning variant and end a running or winner_found campaign experiment.
+- **delete_experiment** ✏️: Delete a draft, ready, or errored campaign experiment.
 - **get_experiment**: Get detailed information about a specific experiment by ID, including variants summary and constraints
 - **get_experiment_metrics**: Get experiment metrics for A/B testing analysis (currently supports email experiments only)
+- **get_experiment_totals**: Get lifetime send and conversion totals for a campaign experiment. Holdout is omitted, missing counts are 0, and lift and confidence are not included.
+- **get_experiment_trends**: Get the performance time series for a campaign experiment. Provide both startDateTime and endDateTime, or omit both to use the run window. The span is at most 31 days; a longer default window is clipped to the last 31 days.
 - **get_experiment_variants**: Get variant content for an experiment, including subject lines, preheaders, HTML source, and plain text
 - **list_experiments**: List experiments with optional filtering by campaign, status, and date range. Supports pagination.
+- **start_experiment** ✏️✉️: Start a draft or ready campaign experiment.
+- **update_experiment_settings** ✏️: Update settings on a draft or ready campaign experiment. Omit a field to leave it unchanged.
 
 ## Journeys (2 tools)
 - **get_journeys**: Get journeys (workflows) with optional pagination and state filtering
diff --git a/package.json b/package.json
index a4b42aa..99bb0e9 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
   },
   "dependencies": {
     "@alcyone-labs/zod-to-json-schema": "4.0.10",
-    "@iterable/api": "0.12.0",
+    "@iterable/api": "0.13.0",
     "@modelcontextprotocol/sdk": "1.18.1",
     "@primno/dpapi": "2.0.1",
     "@types/json-schema": "7.0.15",
diff --git a/src/tool-filter.ts b/src/tool-filter.ts
index 8376dc3..b706853 100644
--- a/src/tool-filter.ts
+++ b/src/tool-filter.ts
@@ -13,13 +13,18 @@ export const NON_PII_TOOLS: Set<string> = new Set([
   "archive_campaigns",
   "bulk_delete_catalog_items",
   "cancel_campaign",
+  "cancel_experiment",
+  "copy_experiment_variant",
   "create_blast_campaign",
+  "create_experiment",
   "create_triggered_campaign",
   "create_catalog",
   "create_list",
   "create_snippet",
   "deactivate_triggered_campaign",
+  "declare_experiment_winner",
   "delete_catalog",
+  "delete_experiment",
   "delete_catalog_item",
   "delete_list",
   "delete_snippet",
@@ -36,6 +41,8 @@ export const NON_PII_TOOLS: Set<string> = new Set([
   "get_email_template",
   "get_experiment",
   "get_experiment_metrics",
+  "get_experiment_totals",
+  "get_experiment_trends",
   "get_experiment_variants",
   "get_inapp_template",
   "get_journeys",
@@ -57,11 +64,13 @@ export const NON_PII_TOOLS: Set<string> = new Set([
   "replace_catalog_item",
   "schedule_campaign",
   "send_campaign",
+  "start_experiment",
   "trigger_campaign",
   "update_catalog_field_mappings",
   "partial_update_catalog_items",
   "replace_catalog_items",
   "update_email_template",
+  "update_experiment_settings",
   "update_inapp_template",
   "update_push_template",
   "update_sms_template",
@@ -87,6 +96,8 @@ export const READ_ONLY_TOOLS: Set<string> = new Set([
   "get_embedded_messages",
   "get_experiment",
   "get_experiment_metrics",
+  "get_experiment_totals",
+  "get_experiment_trends",
   "get_experiment_variants",
   "get_export_files",
   "get_export_jobs",
@@ -125,6 +136,8 @@ export const SEND_TOOLS: Set<string> = new Set([
   "send_campaign",
   "trigger_campaign",
   "schedule_campaign",
+  "start_experiment",
+  "declare_experiment_winner",
   // Triggered campaigns can cause sends upon activation; block unless explicitly allowed
   "activate_triggered_campaign",
   // Journey triggers enqueue users which may send
diff --git a/src/tools/experiments.ts b/src/tools/experiments.ts
index b2d1271..d82abc7 100644
--- a/src/tools/experiments.ts
+++ b/src/tools/experiments.ts
@@ -4,10 +4,17 @@
 
 import type { IterableClient } from "@iterable/api";
 import {
+  CopyExperimentVariantParamsSchema,
+  CreateExperimentParamsSchema,
+  DeclareExperimentWinnerParamsSchema,
+  ExperimentIdParamsSchema,
   GetExperimentMetricsParamsSchema,
   GetExperimentParamsSchema,
+  GetExperimentTotalsParamsSchema,
+  GetExperimentTrendsParamsSchema,
   GetExperimentVariantsParamsSchema,
   ListExperimentsParamsSchema,
+  UpdateExperimentSettingsParamsSchema,
 } from "@iterable/api";
 import type { Tool } from "@modelcontextprotocol/sdk/types.js";
 
@@ -43,5 +50,66 @@ export function createExperimentTools(client: IterableClient): Tool[] {
       schema: GetExperimentMetricsParamsSchema,
       execute: (params) => client.getExperimentMetrics(params),
     }),
+    createTool({
+      name: "get_experiment_totals",
+      description:
+        "Get lifetime send and conversion totals for a campaign experiment. Holdout is omitted, missing counts are 0, and lift and confidence are not included.",
+      schema: GetExperimentTotalsParamsSchema,
+      execute: (params) => client.getExperimentTotals(params),
+    }),
+    createTool({
+      name: "get_experiment_trends",
+      description:
+        "Get the performance time series for a campaign experiment. Provide both startDateTime and endDateTime, or omit both to use the run window. The span is at most 31 days; a longer default window is clipped to the last 31 days.",
+      schema: GetExperimentTrendsParamsSchema,
+      execute: (params) => client.getExperimentTrends(params),
+    }),
+    createTool({
+      name: "create_experiment",
+      description:
+        "Create a draft campaign experiment. The campaign template becomes the control.",
+      schema: CreateExperimentParamsSchema,
+      execute: (params) => client.createExperiment(params),
+    }),
+    createTool({
+      name: "copy_experiment_variant",
+      description:
+        "Copy a template into a new variant on a draft or ready campaign experiment.",
+      schema: CopyExperimentVariantParamsSchema,
+      execute: (params) => client.copyExperimentVariant(params),
+    }),
+    createTool({
+      name: "update_experiment_settings",
+      description:
+        "Update settings on a draft or ready campaign experiment. Omit a field to leave it unchanged.",
+      schema: UpdateExperimentSettingsParamsSchema,
+      execute: (params) => client.updateExperimentSettings(params),
+    }),
+    createTool({
+      name: "start_experiment",
+      description: "Start a draft or ready campaign experiment.",
+      schema: ExperimentIdParamsSchema,
+      execute: (params) => client.startExperiment(params),
+    }),
+    createTool({
+      name: "cancel_experiment",
+      description:
+        "Cancel a running or winner_found campaign experiment without declaring a winner.",
+      schema: ExperimentIdParamsSchema,
+      execute: (params) => client.cancelExperiment(params),
+    }),
+    createTool({
+      name: "declare_experiment_winner",
+      description:
+        "Declare a winning variant and end a running or winner_found campaign experiment.",
+      schema: DeclareExperimentWinnerParamsSchema,
+      execute: (params) => client.declareExperimentWinner(params),
+    }),
+    createTool({
+      name: "delete_experiment",
+      description: "Delete a draft, ready, or errored campaign experiment.",
+      schema: ExperimentIdParamsSchema,
+      execute: (params) => client.deleteExperiment(params),
+    }),
   ];
 }
diff --git a/tests/unit/experiments-tools.test.ts b/tests/unit/experiments-tools.test.ts
new file mode 100644
index 0000000..cc63972
--- /dev/null
+++ b/tests/unit/experiments-tools.test.ts
@@ -0,0 +1,296 @@
+import { createIterableError, IterableClient } from "@iterable/api";
+import { beforeEach, describe, expect, it, jest } from "@jest/globals";
+import { McpError } from "@modelcontextprotocol/sdk/types.js";
+
+import { createExperimentTools } from "../../src/tools/experiments.js";
+
+const asyncMock = () => jest.fn<(...args: unknown[]) => Promise<unknown>>();
+
+const mockAxiosInstance = {
+  get: asyncMock(),
+  post: asyncMock(),
+  put: asyncMock(),
+  delete: asyncMock(),
+  patch: asyncMock(),
+};
+
+type ToolResult = {
+  content: Array<{ type: string; text: string }>;
+};
+
+const experiment = {
+  id: 884102,
+  status: "draft",
+  channelType: "email",
+  experimentType: "SubjectLine",
+  allocationMode: "even_split",
+  sizing: {
+    holdoutPercentage: null,
+    perVariantPercentage: null,
+  },
+  constraints: null,
+  meta: {
+    name: "Welcome Experiment",
+    conversionMetrics: ["opens"],
+    campaignId: 129500,
+    projectId: 1,
+    orgId: 2,
+  },
+  variants: [
+    {
+      id: 0,
+      name: "Control",
+      value: { templateId: 55 },
+      currentPercentage: 50,
+      isWinner: false,
+      isControl: true,
+    },
+  ],
+};
+
+const totals = {
+  id: 884102,
+  status: "running",
+  variants: [
+    {
+      id: 0,
+      name: "Control",
+      isControl: true,
+      isWinner: false,
+      metrics: { sends: 5000, emailOpen: 1250, purchase: 0 },
+    },
+  ],
+};
+
+function toolHandler(client: IterableClient, name: string) {
+  const tool = createExperimentTools(client).find((item) => item.name === name);
+  if (!tool || !("handler" in tool) || typeof tool.handler !== "function") {
+    throw new Error(`missing tool ${name}`);
+  }
+  return tool.handler as (args: unknown) => Promise<ToolResult>;
+}
+
+function restError(status: number, error: string) {
+  return createIterableError({
+    response: { status, data: { error } },
+    config: { url: "/api/experiments/884102" },
+  });
+}
+
+async function errorBody(client: IterableClient, name: string, args: unknown) {
+  const result = await toolHandler(client, name)(args);
+  return JSON.parse(result.content[0]?.text ?? "{}") as {
+    statusCode: number;
+    rawResponse: { error: string };
+  };
+}
+
+describe("experiment tools", () => {
+  let client: IterableClient;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    client = new IterableClient(
+      {
+        apiKey: "test-key",
+        baseUrl: "https://api.iterable.com",
+        timeout: 30000,
+      },
+      mockAxiosInstance as never
+    );
+  });
+
+  it("returns lifetime totals", async () => {
+    mockAxiosInstance.get.mockResolvedValue({ data: totals });
+
+    const result = await toolHandler(
+      client,
+      "get_experiment_totals"
+    )({ experimentId: 884102 });
+
+    expect(mockAxiosInstance.get).toHaveBeenCalledWith(
+      "/api/experiments/884102/totals"
+    );
+    expect(JSON.parse(result.content[0]?.text ?? "{}")).toEqual(totals);
+  });
+
+  it.each([
+    { status: 400, error: "Journey experiments are not supported" },
+    { status: 404, error: "Experiment 884102 not found" },
+  ])("returns totals status $status for $error", async ({ status, error }) => {
+    mockAxiosInstance.get.mockRejectedValue(restError(status, error));
+
+    const body = await errorBody(client, "get_experiment_totals", {
+      experimentId: 884102,
+    });
+
+    expect(body.statusCode).toBe(status);
+    expect(body.rawResponse).toEqual({ error });
+  });
+
+  it("returns a trends series", async () => {
+    const trends = {
+      id: 884102,
+      status: "running",
+      interval: "day",
+      startDateTime: "2024-01-01T00:00:00.000Z",
+      endDateTime: "2024-01-07T00:00:00.000Z",
+      variants: [],
+    };
+    mockAxiosInstance.get.mockResolvedValue({ data: trends });
+
+    const result = await toolHandler(
+      client,
+      "get_experiment_trends"
+    )({
+      experimentId: 884102,
+      startDateTime: "2024-01-01T00:00:00.000Z",
+      endDateTime: "2024-01-07T00:00:00.000Z",
+    });
+
+    expect(JSON.parse(result.content[0]?.text ?? "{}")).toEqual(trends);
+  });
+
+  it("rejects a trends request that sets only one datetime", async () => {
+    await expect(
+      toolHandler(
+        client,
+        "get_experiment_trends"
+      )({
+        experimentId: 884102,
+        startDateTime: "2024-01-01T00:00:00.000Z",
+      })
+    ).rejects.toBeInstanceOf(McpError);
+    expect(mockAxiosInstance.get).not.toHaveBeenCalled();
+  });
+
+  it.each([
+    { status: 400, error: "Journey experiments are not supported" },
+    { status: 400, error: "Date range cannot exceed 31 days" },
+    { status: 400, error: "Date range is outside the experiment run window" },
+    { status: 404, error: "Experiment 884102 not found" },
+  ])("returns trends status $status for $error", async ({ status, error }) => {
+    mockAxiosInstance.get.mockRejectedValue(restError(status, error));
+
+    const body = await errorBody(client, "get_experiment_trends", {
+      experimentId: 884102,
+    });
+
+    expect(body.statusCode).toBe(status);
+    expect(body.rawResponse.error).toBe(error);
+  });
+
+  it.each([
+    {
+      name: "create_experiment",
+      method: "post",
+      toolArgs: { campaignId: 129500, experimentType: "SubjectLine" },
+      url: "/api/experiments",
+      body: { campaignId: 129500, experimentType: "SubjectLine" },
+    },
+    {
+      name: "copy_experiment_variant",
+      method: "post",
+      toolArgs: { experimentId: 884102, copyFromTemplateId: 55 },
+      url: "/api/experiments/884102/variants",
+      body: { copyFromTemplateId: 55 },
+    },
+    {
+      name: "update_experiment_settings",
+      method: "patch",
+      toolArgs: { experimentId: 884102, evenlySplitVariations: true },
+      url: "/api/experiments/884102/settings",
+      body: { evenlySplitVariations: true },
+    },
+    {
+      name: "declare_experiment_winner",
+      method: "post",
+      toolArgs: { experimentId: 884102, variantId: 2 },
+      url: "/api/experiments/884102/winner",
+      body: { variantId: 2 },
+    },
+    {
+      name: "start_experiment",
+      method: "post",
+      toolArgs: { experimentId: 884102 },
+      url: "/api/experiments/884102/start",
+      body: {},
+    },
+    {
+      name: "cancel_experiment",
+      method: "post",
+      toolArgs: { experimentId: 884102 },
+      url: "/api/experiments/884102/cancel",
+      body: {},
+    },
+    {
+      name: "delete_experiment",
+      method: "post",
+      toolArgs: { experimentId: 884102 },
+      url: "/api/experiments/884102/delete",
+      body: {},
+    },
+  ] as const)(
+    "$name sends $url",
+    async ({ name, method, toolArgs, url, body }) => {
+      mockAxiosInstance[method].mockResolvedValue({ data: experiment });
+
+      const result = await toolHandler(client, name)(toolArgs);
+
+      expect(mockAxiosInstance[method]).toHaveBeenCalledWith(url, body);
+      expect(JSON.parse(result.content[0]?.text ?? "{}").id).toBe(884102);
+    }
+  );
+
+  it.each([
+    {
+      name: "create_experiment",
+      method: "post",
+      toolArgs: { campaignId: 129500, experimentType: "SubjectLine" },
+    },
+    {
+      name: "copy_experiment_variant",
+      method: "post",
+      toolArgs: { experimentId: 884102, copyFromTemplateId: 55 },
+    },
+    {
+      name: "update_experiment_settings",
+      method: "patch",
+      toolArgs: { experimentId: 884102, holdoutSettings: null },
+    },
+    {
+      name: "start_experiment",
+      method: "post",
+      toolArgs: { experimentId: 884102 },
+    },
+    {
+      name: "cancel_experiment",
+      method: "post",
+      toolArgs: { experimentId: 884102 },
+    },
+    {
+      name: "declare_experiment_winner",
+      method: "post",
+      toolArgs: { experimentId: 884102, variantId: 2 },
+    },
+    {
+      name: "delete_experiment",
+      method: "post",
+      toolArgs: { experimentId: 884102 },
+    },
+  ] as const)(
+    "$name returns 400, 404, and 409",
+    async ({ name, method, toolArgs }) => {
+      for (const [status, error] of [
+        [400, "Journey experiments are not supported"],
+        [404, "Experiment 884102 not found"],
+        [409, "Experiment cannot be changed in its current status"],
+      ] as const) {
+        mockAxiosInstance[method].mockRejectedValue(restError(status, error));
+        const body = await errorBody(client, name, toolArgs);
+        expect(body.statusCode).toBe(status);
+        expect(body.rawResponse.error).toBe(error);
+      }
+    }
+  );
+});
diff --git a/tests/unit/tools.test.ts b/tests/unit/tools.test.ts
index f008b92..1b83772 100644
--- a/tests/unit/tools.test.ts
+++ b/tests/unit/tools.test.ts
@@ -15,19 +15,24 @@ const EXPECTED_TOOLS = [
   "bulk_update_users",
   "cancel_campaign",
   "cancel_email",
+  "cancel_experiment",
   "cancel_export_job",
   "cancel_in_app",
   "cancel_push",
   "cancel_sms",
   "cancel_web_push",
   "cancel_whatsapp",
+  "copy_experiment_variant",
   "create_blast_campaign",
+  "create_experiment",
   "create_triggered_campaign",
   "create_catalog",
   "create_list",
   "create_snippet",
   "deactivate_triggered_campaign",
+  "declare_experiment_winner",
   "delete_catalog",
+  "delete_experiment",
   "delete_catalog_item",
   "delete_list",
   "delete_snippet",
@@ -48,6 +53,8 @@ const EXPECTED_TOOLS = [
   "get_embedded_messages",
   "get_experiment",
   "get_experiment_metrics",
+  "get_experiment_totals",
+  "get_experiment_trends",
   "get_experiment_variants",
   "get_export_files",
   "get_export_jobs",
@@ -89,6 +96,7 @@ const EXPECTED_TOOLS = [
   "send_sms_template_proof",
   "send_web_push",
   "send_whatsapp",
+  "start_experiment",
   "start_export_job",
   "subscribe_to_list",
   "subscribe_user_by_email",
@@ -105,6 +113,7 @@ const EXPECTED_TOOLS = [
   "replace_catalog_items",
   "update_email",
   "update_email_template",
+  "update_experiment_settings",
   "update_inapp_template",
   "update_push_template",
   "update_sms_template",
@@ -177,7 +186,7 @@ describe("Tool Modules", () => {
 
       // Should have a reasonable number of tools (at least 107, allowing for growth)
       expect(allTools.length).toBeGreaterThanOrEqual(107);
-      expect(allTools.length).toBeLessThan(115); // Sanity check
+      expect(allTools.length).toBeLessThan(130); // Sanity check
     });
 
     it("should have tools from all categories", () => {