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Langchain - Robocorp Action Server

This template enables using Robocorp Action Server served actions as tools for an Agent.


To use this package, you should first have the LangChain CLI installed:

pip install -U langchain-cli

To create a new LangChain project and install this as the only package, you can do:

langchain app new my-app --package robocorp-action-server

If you want to add this to an existing project, you can just run:

langchain app add robocorp-action-server

And add the following code to your file:

from robocorp_action_server import agent_executor as action_server_chain

add_routes(app, action_server_chain, path="/robocorp-action-server")

Running the Action Server​

To run the Action Server, you need to have the Robocorp Action Server installed

pip install -U robocorp-action-server

Then you can run the Action Server with:

action-server new
cd ./your-project-name
action-server start

Configure LangSmith (Optional)​

LangSmith will help us trace, monitor and debug LangChain applications. You can sign up for LangSmith here. If you don't have access, you can skip this section

export LANGCHAIN_API_KEY=<your-api-key>
export LANGCHAIN_PROJECT=<your-project> # if not specified, defaults to "default"

Start LangServe instance​

If you are inside this directory, then you can spin up a LangServe instance directly by:

langchain serve

This will start the FastAPI app with a server is running locally at http://localhost:8000

We can see all templates at We can access the playground at

We can access the template from code with:

from langserve.client import RemoteRunnable

runnable = RemoteRunnable("http://localhost:8000/robocorp-action-server")

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