---
title: "Email tools for CrewAI"
description: "Give agents built with CrewAI a real inbox over MCP. They read, reply and send from the addresses you approve, for as long as you allow."
url: "https://nextmail.sh/agents/crewai"
---

[All frameworks and tools](https://nextmail.sh/agents.md#frameworks)

CrewAI + Nextmail

# An inboxfor CrewAI.

Agents built with CrewAI read, reply and send from the addresses you approve. They load the Nextmail tools over MCP, with a sign-in you give once.

[Open CrewAI](https://crewai.com)

Connect CrewAI

```
from crewai import Agent, Crew, Taskfrom crewai.mcp import MCPServerStdiofrom crewai.mcp.filters import create_static_tool_filter mailbox = MCPServerStdio(    command="npx",    args=["-y", "@nextmail/cli", "mcp", "serve"],    tool_filter=create_static_tool_filter(        allowed_tool_names=["whoAmI", "listThreads", "getThread"]    ),) reader = Agent(    role="Inbox reader",    goal="Know what is waiting in the inbox",    backstory="You read mail carefully and never send anything.",    mcps=[mailbox],) summary = Task(    description="Summarise my unread mail.",    expected_output="One line per conversation: who wrote, what they want, and whether it needs a reply.",    agent=reader,) print(Crew(agents=[reader], tasks=[summary]).kickoff())
```

The agent loads the tools through mcps and the local bridge, since CrewAI's open-source library has no OAuth sign-in.

## Three steps. Then it works on its own.

1. 01
   
   Install the adapter
   
   Run pip install crewai mcp in your project.
2. 02
   
   Sign in once
   
   Run npx @nextmail/cli login and approve in your browser what the agent may reach. On a server, add --no-browser and paste the code back.
3. 03
   
   Load the tools
   
   CrewAI starts the bridge, npx -y @nextmail/cli mcp serve, and gets the tools your approval allows. Hand the agent only the ones it needs.

[Read the full CrewAI guide](https://nextmail.sh/docs/mcp/frameworks/crewai.md)

## What your CrewAI agent can do with it. Through one connection.

`$ nextmail temp new`

[Agent features](https://nextmail.sh/agents/features.md)

## Tasks for your CrewAI agent. In plain words.

Each prompt shows the tools it is likely to call.

- Summarise my unread mail at support@acme.com and draft replies. Don't send them yet.
  
  - listThreads
  - getThread
  - createDraft
- Answer Ada's refund question in her thread, then file it under refunds.
  
  - getThread
  - replyToEmail
  - modifyLabels
- Find the invoice Jonas sent last month and sum up the thread.
  
  - listThreads
  - getThreadSummary
- Add Noor Haddad to my contacts and to the Beta audience.
  
  - createContact
  - addContactToAudience

## You approve it. Like any other app.

When the client signs in, you pick the workspace, what it may do, which addresses it reaches and for how long. Account → Connected apps changes or removes it later.

- **Your role is the ceiling**
  An app never holds a permission you lack, and when your role loses one, the app loses it on its next call.
- **Some things are never granted**
  No app can create or rotate API keys, open billing or manage the workspace, whatever you tick.
- **Risky changes wait for you**
  Adding a webhook, writing a rule, changing roles or removing a domain needs your verification code, or a 60-minute allowance you switch on for that app.

[How an approval is scoped](https://nextmail.sh/docs/mcp/scope.md)

## Asked first. Answered plainly.

## More frameworks and tools. Same server, your stack.

- [LangChain Full LangChain setup](https://nextmail.sh/agents/langchain.md)
- [Vercel AI SDK Full Vercel AI SDK setup](https://nextmail.sh/agents/vercel-ai-sdk.md)
- [OpenAI Agents SDK Full OpenAI Agents SDK setup](https://nextmail.sh/agents/openai-agents-sdk.md)
- [n8n Full n8n setup](https://nextmail.sh/agents/n8n.md)

[See everything agents can do](https://nextmail.sh/agents.md)

## Give it an address. Watch it work.

MCP, the API and the command line come with every plan, the free one included. Connect a client and approve exactly what it reaches.

[Open mail](https://nextmail.sh/mail/inbox) [Get Started](https://nextmail.sh/signup.md)[Read the MCP guide](https://nextmail.sh/docs/mcp/overview.md)

`claude mcp add --transport http nextmail https://api.nextmail.sh/mcp`