API KEY
EMAIL MARKETING
Every email campaign, flow, and subscriber list your team runs lives in Klaviyo. Klaviyo MCP gives your agent authenticated access to marketing automation data scoped to the user who authorized it.
import { ScalekitClient } from "@scalekit-sdk/node";
import { DynamicStructuredTool } from "@langchain/core/tools";
import { createReactAgent } from "@langchain/langgraph/prebuilt";
import { z } from "zod";
const sk = new ScalekitClient(envUrl, clientId, clientSecret);
const { tools } = await sk.tools.listScopedTools("user_123", {
filter: { connectionNames: ["klaviyomcp"], toolNames: ["klaviyo_campaigns_list", "klaviyo_campaign_get", "klaviyo_lists_list"] },
pageSize: 100,
});
const lcTools = tools.map((t) => new DynamicStructuredTool({
name: t.tool.definition.name,
description: t.tool.definition.description,
schema: z.object({}).passthrough(),
func: async (args) => {
const { data } = await sk.tools.executeTool({
toolName: t.tool.definition.name,
identifier: "user_123",
params: args,
});
return JSON.stringify(data);
},
}));
const agent = createReactAgent({ llm, tools: lcTools });import { ScalekitClient } from "@scalekit-sdk/node";
import OpenAI from "openai";
const sk = new ScalekitClient(envUrl, clientId, clientSecret);
const openai = new OpenAI();
const { tools } = await sk.tools.listScopedTools("user_123", {
filter: { connectionNames: ["klaviyomcp"], toolNames: ["klaviyo_campaigns_list", "klaviyo_campaign_get", "klaviyo_lists_list"] },
pageSize: 100,
});
const llmTools = tools.map((t) => ({
type: "function",
function: {
name: t.tool.definition.name,
description: t.tool.definition.description,
parameters: t.tool.definition.input_schema,
},
}));
const resp = await openai.responses.create({
model: "gpt-4o", input: prompt, tools: llmTools,
});import { ScalekitClient } from "@scalekit-sdk/node";
import Anthropic from "@anthropic-ai/sdk";
const sk = new ScalekitClient(envUrl, clientId, clientSecret);
const anthropic = new Anthropic();
const { tools } = await sk.tools.listScopedTools("user_123", {
filter: { connectionNames: ["klaviyomcp"], toolNames: ["klaviyo_campaigns_list", "klaviyo_campaign_get", "klaviyo_lists_list"] },
pageSize: 100,
});
const llmTools = tools.map((t) => ({
name: t.tool.definition.name,
description: t.tool.definition.description,
input_schema: t.tool.definition.input_schema,
}));
const msg = await anthropic.messages.create({
model: "claude-sonnet-4-6", max_tokens: 1024,
tools: llmTools,
messages: [{ role: "user", content: prompt }],
});import { Agent } from "@google/adk/agents";
import {
MCPToolset, StreamableHTTPConnectionParams,
} from "@google/adk/tools/mcp";
const toolset = new MCPToolset({
connectionParams: new StreamableHTTPConnectionParams({
url: "https://mcp.scalekit.com/klaviyomcp",
headers: { Authorization: `Bearer ${userScopedToken}` },
}),
});
const agent = new Agent({
name: "agent", model: "gemini-2.0-flash",
tools: await toolset.getTools(),
});
.svg)
.svg.png){kind=icon}
// shared token
audit → bot_service_account
user_filter → broken
// scalekit
audit → user_abc
scope → enforced ✓// authn only
has_token? yes
call → 200 (anything)
// scalekit
scope ⊇ tool? yes
call → 200 (allowed)vault/
tenant_acme/ → isolated
tenant_globex/ → isolated
// cross-tenant: denied// DIY: N connectors
klaviyo mcp_oauth.py ×100
// scalekit
client.tools.execute_tool(
tool_name="any_tool",
) → 100+ tools
We use cookies, so things load fast, we learn what to fix, and you can always reach us on chat
