AI Native Close Integration
- Supports both Close MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable tool execution
- Rich coverage for reading, writing, and querying your Close data
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.DEVELOPER PLATFORM
Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Close MCP or direct API to manage leads, automate follow-ups, send emails, and track sales activities through natural language.
Close is a CRM platform built for sales teams, combining calling, email automation, and predictive dialers. It streamlines sales workflows and boosts productivity with all-in-one communication tools.
Type what you want done — sign in and watch it run live in the Tool Router playground.
Every Close action and event your agent gets out of the box.
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcpimport { Composio } from '@composio/core';
const composio = new Composio({ apiKey: 'your-api-key' });
console.log("Creating Tool Router session...");
const { mcp } = await composio.create('your-user-id');
console.log(`Tool Router session created: ${mcp.url}`);import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText, stepCountIs } from 'ai';
const client = await createMCPClient({
transport: {
type: 'http',
url: mcp.url,
headers: { 'x-api-key': 'your-composio-api-key' }
}
});
const tools = await client.tools();
const { text } = await generateText({
model: openai('gpt-4o'),
tools,
messages: [{ role: 'user', content: 'Create a new lead for Acme Corp with email sales@acmecorp.com' }],
stopWhen: stepCountIs(5)
});
console.log(`Agent: ${text}`);npm install @composio/openaiimport OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';
const composio = new Composio({
provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');const tools = session.tools;
const response = await openai.responses.create({
model: 'gpt-4.1',
tools: tools,
input: [{
role: 'user',
content: 'Create a new lead for Acme Corp with contact details'
}],
});
const result = await composio.provider.handleToolCalls(
'your-user-id',
response.output
);
console.log(result);Choose a Framework you want to connect Close with
Use Close MCP with ChatGPT Work

Use Close MCP with Antigravity
Use Close MCP with OpenAI Agents SDK
Use Close MCP with Claude Agents SDK
Use Close MCP with Claude Code
Use Close MCP with Claude Cowork
Use Close MCP with Codex

Use Close MCP with OpenClaw

Use Close MCP with Hermes
Use Close MCP with Google ADK
Use Close MCP with Langchain
Use Close MCP with AI SDK
Use Close MCP with Mastra AI
Use Close MCP with LlamaIndex
Use Close MCP with CrewAI
Use Close MCP with Pydantic AI
Use Close MCP with Autogen
HubSpot is an all-in-one marketing, sales, and customer service platform. It lets teams nurture leads, automate outreach, and track every customer interaction in one place.
Pipedrive is a sales management platform offering pipeline visualization, lead tracking, and workflow automation. It helps sales teams keep deals moving forward efficiently and never miss a follow-up.
Salesforce is a leading CRM platform that helps businesses manage sales, service, and marketing. It centralizes customer data, enabling teams to drive growth and build strong relationships.
Apollo is a CRM and lead generation platform that helps businesses discover contacts and manage sales pipelines. Use it to streamline customer outreach and track your deals from one place.
Managed auth, hosted MCP servers, and every Close tool your agent needs.Free to start.
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.Start building