AI Native Reply io Integration
- Supports both Reply io MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable tool execution
- Rich coverage for reading, writing, and querying your Reply io 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.SIGN UP
## 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.LOG IN
Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Reply io MCP or direct API to automate sales outreach, track lead engagement, send follow-ups, and optimize pipeline activity through natural language.
Reply.io is an AI-powered sales engagement platform for automating sales outreach across multiple channels. Boosts lead conversion and sales productivity through integrated workflows.
Type what you want done — sign in and watch it run live in the Tool Router playground.
Every Reply io action and event your agent gets out of the box.
npm install @composio/core ai @ai-sdk/mcp @ai-sdk/openaiimport { Composio } from "@composio/core";
const composio = new Composio();
const { mcp } = await composio.create("your-user-id", {
toolkits: ["reply_io"],
mcp: true,
});import { createMCPClient } from "@ai-sdk/mcp";
import { openai } from "@ai-sdk/openai";
import { generateText, stepCountIs } from "ai";
const client = await createMCPClient({
transport: { type: "http", url: mcp.url, headers: mcp.headers },
});
const { text } = await generateText({
model: openai("gpt-5.6-sol"),
tools: await client.tools(),
prompt: "List all campaigns created this week",
stopWhen: stepCountIs(10),
});
console.log(text);
await client.close();npm install @composio/core @composio/openai openaiimport OpenAI from "openai";
import { Composio } from "@composio/core";
import { OpenAIResponsesProvider } from "@composio/openai";
const composio = new Composio({ provider: new OpenAIResponsesProvider() });
const client = new OpenAI();
const session = await composio.create("your-user-id", { toolkits: ["reply_io"] });
const tools = await session.tools();let response = await client.responses.create({
model: "gpt-5.6-sol",
tools,
input: [{ role: "user", content: "List all campaigns created this week" }],
});
while (response.output.some((o) => o.type === "function_call")) {
const outputs = await composio.provider.handleToolCalls(session, response.output);
response = await client.responses.create({
model: "gpt-5.6-sol",
tools,
previous_response_id: response.id,
input: outputs,
});
}
console.log(response.output_text);Choose a Framework you want to connect Reply io with
Use Reply io MCP with Claude Code
Use Reply io MCP with Claude Cowork
Use Reply io MCP with OpenAI Agents SDK
Use Reply io MCP with Claude Agents SDK
Use Reply io MCP with Codex

Use Reply io MCP with OpenClaw

Use Reply io MCP with Hermes
Use Reply io MCP with Atomic Agent
Use Reply io MCP with Google ADK
Use Reply io MCP with Langchain
Use Reply io MCP with AI SDK
Use Reply io MCP with Mastra AI
Use Reply io MCP with LlamaIndex
Use Reply io MCP with CrewAI
Use Reply io MCP with Pydantic AI
Use Reply io MCP with Autogen
Give your team centralized access control across every framework with Composio’s MCP Gateway.
EXPLORE MCP GATEWAYAeroleads is a B2B lead generation platform for finding business emails and phone numbers. Grow your sales pipeline faster with powerful prospecting tools.
Autobound is an AI-powered sales engagement platform that crafts hyper-personalized outreach and insights. It helps sales teams boost response rates and close more deals through tailored content and recommendations.
Better Proposals is a web-based tool for crafting and sending professional proposals. It helps teams impress clients and close deals faster with slick, easy-to-use templates.
Bidsketch is a proposal software that helps businesses create professional proposals quickly and efficiently. It streamlines the proposal process, saving time while boosting client win rates.
Yes. Composio is SOC 2 Type II compliant and is built to keep your Reply io connection and credentials secure. OAuth tokens and API keys are encrypted, and sensitive customer data is protected at rest and in transit.
Composio also undergoes independent security testing and continuously monitors its systems for security threats. You can review the latest reports and policies in the Composio Trust Center.
Built-in connectors usually give one AI access to a limited set of apps. Many people use Composio because it lets their AI connect to more apps than it normally supports, or connect to multiple accounts for the same app (e.g. connect Claude to multiple Reply io accounts).
With Composio, you connect Reply io once and then use it across different AI assistants without setting it up separately in each one. Connect your apps to Composio once, then connect Composio to whichever AI you use, whether that's Claude, ChatGPT, Hermes, or your own custom assistant.
Managed auth, hosted MCP servers, and every Reply io 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