langchain-promigence — DeepAgents sandboxes on Promigence

Promigence sandbox backend for LangChain DeepAgents.

Install

pip install langchain-promigence  # Python >= 3.11 (deepagents' floor)
pip install "langchain-promigence[code]"  # + the dcode provider (needs 3.12)
export PROMIGENCE_API_KEY=prom_api_...  PROMIGENCE_API_URL=https://api.promigence.ai/v1

Use

from deepagents import create_deep_agent
from langchain_promigence import PromigenceSandbox

sandbox = PromigenceSandbox.create(image="python:3.12-slim", working_dir="/workspace")
agent = create_deep_agent(model="anthropic:claude-sonnet-4-5", backend=sandbox)
agent.invoke({"messages": [{"role": "user", "content": "run the tests and fix what fails"}]})
sandbox.kill()

Help

Every error carries a code, a message and what to do next; the codes are listed at https://www.promigence.ai/docs/errors. Questions: support@promigence.ai.