Durable Workflows for AI agents

Make your AI agents resilient to failure and outages

The diagrid package is an extension SDK for the open-source Dapr project to build durable, fault-tolerant AI agents. It integrates seamlessly with popular agent frameworks, wrapping them in Dapr Workflows to ensure agents can recover from failures, persist state across restarts, and scale effectively.

Get started with Diagrid Catalyst for free.

Community

Have questions, hit a bug, or want to share what you're building? Join the Diagrid Community Discord to connect with the team and other users.

Features

• Multi-Framework Support: Native integrations for LangGraph, CrewAI, Google ADK, Strands, PydanticAI, OpenAI Agents, Claude Agent SDK, LangChain, Smolagents, LangChain Deep Agents, and HolmesGPT.
• Durability: Agent state is automatically persisted in the database of your choice. If your process crashes, the agent resumes from the last successful step.
• Fault Tolerance: Built-in retries and error handling powered by Dapr.
• Observability: Deep insights into agent execution, tool calls, and state transitions.

Installation

Install the base package along with the extension for your chosen framework:

# For LangGraph
pip install "diagrid[langgraph]"

# For CrewAI
pip install "diagrid[crewai]"

# For Google ADK
pip install "diagrid[adk]"

# For Strands
pip install "diagrid[strands]"

# For Pydantic AI
pip install "diagrid[pydantic_ai]"

# For OpenAI Agents
pip install "diagrid[openai_agents]"

# For LangChain Deep Agents
pip install "diagrid[deepagents]"

# For Claude Agent SDK
pip install "diagrid[claude_agents]"

# For LangChain
pip install "diagrid[langchain]"

# For Smolagents
pip install "diagrid[smolagents]"

# For HolmesGPT (install in a dedicated environment — see note below)
pip install "diagrid[holmesgpt]"

Note: diagrid[holmesgpt] is intentionally not part of diagrid[all]. HolmesGPT ships strict pins on fastapi, uvicorn, cachetools, mcp, and httpx[socks] that conflict with the looser constraints used by the other agent extras. Install it in its own environment.

Prerequisites

• Python: 3.11 or higher

Examples & Quickstarts

Two paths to your first running agent:

• Managed quickstart templates — diagridpy init my-project --framework langgraph bootstraps a Catalyst project, local kind cluster, Helm chart, and framework template in one command. Templates are cloned from diagridio/catalyst-quickstarts.
• In-repo code samples — clone this repo and run any framework's example directly. See examples/ for the index, or jump straight to a framework: langgraph, crewai, adk, strands, openai_agents, claude_agents, pydantic_ai, deepagents, langchain, smolagents, holmesgpt.

Getting Started with Diagrid Catalyst

Diagrid Catalyst is a fully managed workflow engine for AI agents, built on the open-source CNCF Dapr Workflow project. It's the easiest way to test the different agentic integrations for free.

See quickstarts to get started in less than 5 minutes.

How It Works

This SDK leverages Dapr Workflows to orchestrate agent execution.

1. Orchestration: The agent's control loop is modeled as a workflow.
2. Activities: Each tool execution or LLM call is modeled as a durable activity.
3. State Store: Dapr saves the workflow state to a configured state store (e.g., Redis, CosmosDB) after every step.

Your code can run anywhere (local machine, Kubernetes, EC2, etc.) while the fully managed workflow engine takes care of the agent's execution state, making it crash-proof and resilient to any outage or failure.