GmailToolkit#

class langchain_community.agent_toolkits.gmail.toolkit.GmailToolkit[source]#

Bases: BaseToolkit

Toolkit for interacting with Gmail.

Security Note: This toolkit contains tools that can read and modify

the state of a service; e.g., by reading, creating, updating, deleting data associated with this service.

For example, this toolkit can be used to send emails on behalf of the associated account.

See https://python.langchain.com/docs/security for more information.

Setup:

You will need a Google credentials.json file to use this toolkit. See instructions here: https://python.langchain.com/v0.2/docs/integrations/tools/gmail/#setup

Key init args:

api_resource: Optional. The Google API resource. Default is None.

Instantiate:
from langchain_google_community import GmailToolkit

toolkit = GmailToolkit()
Tools:
toolkit.get_tools()
[GmailCreateDraft(api_resource=<googleapiclient.discovery.Resource object at 0x1094509d0>),
GmailSendMessage(api_resource=<googleapiclient.discovery.Resource object at 0x1094509d0>),
GmailSearch(api_resource=<googleapiclient.discovery.Resource object at 0x1094509d0>),
GmailGetMessage(api_resource=<googleapiclient.discovery.Resource object at 0x1094509d0>),
GmailGetThread(api_resource=<googleapiclient.discovery.Resource object at 0x1094509d0>)]
Use within an agent:
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

llm = ChatOpenAI(model="gpt-4o-mini")

agent_executor = create_react_agent(llm, tools)

example_query = "Draft an email to fake@fake.com thanking them for coffee."

events = agent_executor.stream(
    {"messages": [("user", example_query)]},
    stream_mode="values",
)
for event in events:
    event["messages"][-1].pretty_print()
 ================================[1m Human Message [0m=================================

Draft an email to fake@fake.com thanking them for coffee.
==================================[1m Ai Message [0m==================================
Tool Calls:
create_gmail_draft (call_slGkYKZKA6h3Mf1CraUBzs6M)
Call ID: call_slGkYKZKA6h3Mf1CraUBzs6M
Args:
    message: Dear Fake,

I wanted to take a moment to thank you for the coffee yesterday. It was a pleasure catching up with you. Let's do it again soon!

Best regards,
[Your Name]
    to: ['fake@fake.com']
    subject: Thank You for the Coffee
=================================[1m Tool Message [0m=================================
Name: create_gmail_draft

Draft created. Draft Id: r-7233782721440261513
==================================[1m Ai Message [0m==================================

I have drafted an email to fake@fake.com thanking them for the coffee. You can review and send it from your email draft with the subject "Thank You for the Coffee".
Parameters:

api_resource – Optional. The Google API resource. Default is None.

Create a new model by parsing and validating input data from keyword arguments.

Raises ValidationError if the input data cannot be parsed to form a valid model.

param api_resource: Resource [Optional]#
get_tools() List[BaseTool][source]#

Get the tools in the toolkit.

Return type:

List[BaseTool]