Nylas MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Nylas MCP or direct API to read emails, manage calendars, sync contacts, and capture meeting notes through natural language.

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Api Key

Nylas MCP is a regional hosted server exposing typed tools for email, calendar, contacts, and Notetaker workflows. Use it to give agents reliable, typed access to messaging and scheduling data.

38 Tools

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Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
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TOOLS

Supported Tools

Every Nylas MCP action and event your agent gets out of the box.

Availability

Use this for availability, free time, or "when am I free" requests for one or more users.

Confirm send draft

MUST be called before send_draft.

Confirm send message

MUST be called before send_message.

Create draft

Create a draft email.

Create event

Create a calendar event.

Current time

Get current epoch time and ISO 8601 date.

Datetime to epoch

Convert date (YYYY-MM-DD), time (HH:MM:SS), and timezone to Unix timestamp.

Delete draft

Delete a draft.

Delete event

Delete an event.

Download attachment

Download an email attachment by message ID and attachment ID (maximum 10 MiB).

Epoch to datetime

Convert Unix timestamps to human-readable date-time.

Get contact

Get a single contact by ID.

Get event

Get a single event by ID.

Get folder by

Get a folder by ID.

Get grant

Look up grant by email address.

Get message

Get a single email message by ID.

Get notetaker

Get details for one grant-scoped Notetaker bot by notetaker_id.

Get notetaker media

Get fresh media links for one grant-scoped Notetaker bot.

Get notetaker transcript

Get the transcript for one grant-scoped Notetaker bot by notetaker_id.

Get search syntax

Get provider-specific search query syntax for use with search_query_native in list_messages/list_threads.

Get standalone notetaker

Get details for one standalone Notetaker bot by notetaker_id.

Get standalone notetaker media

Get fresh media links for one standalone Notetaker bot.

List calendars

List all calendars.

List contacts

List contacts.

List events

List events in a calendar.

List folders

List email folders/labels.

List messages

List and search email messages.

List notetakers

List grant-scoped Notetaker bots.

List standalone notetakers

List standalone Notetaker bots for the application.

List threads

List and search email threads.

Schedule notetaker

Schedule a grant-scoped Notetaker bot for a future Google Meet, Microsoft Teams, or Zoom meeting.

Schedule standalone notetaker

Schedule a standalone Notetaker bot for a future Google Meet, Microsoft Teams, or Zoom meeting without tying it to a grant.

Send draft

Send an existing draft.

Send message

Send an email immediately.

Send notetaker

Send a grant-scoped Notetaker bot to an active Google Meet, Microsoft Teams, or Zoom meeting.

Send standalone notetaker

Send a standalone Notetaker bot to an active Google Meet, Microsoft Teams, or Zoom meeting without tying it to a grant.

Update draft

Update an existing draft.

Update event

Update an existing event.

SETUP GUIDE

Connect Nylas MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK for Python or TypeScript
2

Initialize Client and Create Tool Router Session

typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');

// Create auth config, link a connected account, and ensure an MCP server exists
// Note: replace placeholders with your real values
const authConfig = await session.auth_configs.create({ type: 'API_KEY', name: 'nylas-api-key' });
const account = await session.connected_accounts.link({ auth_config_id: authConfig.id || 'your-auth-config-id', provider: 'nylas' });
// Optionally create or reference an MCP server for the tool router
const mcpServer = await session.mcp.create({ region: 'us-east-1' });
console.log(`Tool Router session created: ${session.mcp.url}`);
Import and initialize the Composio client, then create a Tool Router session for Nylas MCP
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.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: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent (Anthropic Claude or Mastra)
SETUP GUIDE

Connect Nylas MCP API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

typescript
import 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');
Import and initialize Composio client, then create a Tool Router session
3

Execute Nylas MCP Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Nylas MCP actions with your Agent

Why Use Composio?

AI Native Nylas MCP Integration

  • Supports both Nylas MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Nylas MCP data

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Nylas MCP access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Nylas MCP
  • Scoped, least privilege access to Nylas MCP resources
  • Full audit trail of agent actions to support review and compliance
FRAMEWORKS

Use Nylas MCP with any AI Agent Framework

Choose a Framework you want to connect Nylas MCP with

FAQ

Frequently asked questions

Yes, Nylas MCP requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

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