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automation

calfkit-sdk: Automate AI Workflows

Build AI agents as event-driven microservices with calfkit-sdk, a Python toolkit for founders and automation teams.
intermediate⏱ 1-2 hours💵 Free (open-source)
144 stars11 forksPythonQuality 9/10Updated 7/28/2026100% free · open source
What it is

Use calfkit-sdk to create custom AI agents for your business as event-driven microservices.

What you can make with it

Automations like 'when a new customer signs up, notify them with an email via Stripe': AI-powered agents that automate tasks, trigger events, and interact with other APIs.

How it helps

It helps you build custom AI assistants that streamline workflows and increase efficiency by automating tasks and integrating with popular tools.

Real use case example

"A founder wants to automate email notifications when a new order is placed on their e-commerce site. They use calfkit-sdk to build an AI agent that listens for new order events, triggers an email notification via Stripe, and updates the customer's status in their CRM. This automation saves them 2 hours of manual work each week."

If you're new

Beginners can learn the basics of AI agent development with calfkit-sdk, and this is a great starting point for building automation workflows.

If you're senior

Senior engineers and dev leads will appreciate calfkit-sdk's flexibility and customization capabilities for building bespoke AI agents.

Common confusion cleared up

Don't confuse calfkit-sdk with traditional workflow automation tools; it's specifically designed for building AI-powered agents with event-driven microservices.

Best inside these AI tools
CursorCodex CLIClaude Code
Pairs with
Stripe webhookNotion databaseClaude API
Why we list it on WorkflowStacks: Calfkit-sdk is a free, open-source framework available in our marketplace for building custom AI agents as event-driven microservices.
What it does

Calfkit-sdk allows you to build AI agents as event-driven microservices using Python, enabling automation teams to create scalable and efficient workflows.

Install / run
pip install calfkit-sdk
When to use it
  • •When automating complex business workflows that involve multiple events and AI-driven decision-making
  • •When building microservices-based architectures that require AI-powered components
  • •When integrating AI capabilities into existing event-driven systems
Quick start
  1. 1Clone the calfkit-sdk repository from GitHub using the command `git clone https://github.com/calf-ai/calfkit-sdk.git`
  2. 2Navigate to the cloned repository and create a new AI agent using the command `calfkit init my_agent`
  3. 3Define the agent's event-driven workflow in the `my_agent/agent.py` file, using calfkit-sdk's API
  4. 4Run the agent using the command `calfkit run my_agent`
  5. 5Monitor and manage the agent's performance using calfkit-sdk's built-in logging and metrics tools
Ready-to-paste prompt
Create a new AI agent that responds to HTTP requests using the command `calfkit init my_http_agent --template http`
Heads up: Make sure you have Python 3.8 or later installed, as calfkit-sdk is not compatible with earlier versions of Python
Saves to your device

Topics

agents
agents-sdk
ai
ai-agents
ai-employees
ai-workflows
asynchronous-communication
automation
calfkit
chatgpt
distributed-systems
event-driven
kafka
llm
openai
pydantic-ai
python
realtime-streaming
sdk
streaming
What's inside — free to inspect
No purchase needed

Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.

10
top-level files
6
folders
3.2M
repo size
Apache-2.0
license
Key files
README.md
release-please-config.json
File tree
.agents/
.github/
calfkit/
docs/
examples/
tests/
.gitignore
.release-please-manifest.json
CHANGELOG.md
codecov.yml
CONTRIBUTING.md
LICENSE
Makefile
pyproject.toml
README.md
release-please-config.json
Quick Actions
Details
Creator
calf-ai
Language
Python
Category
automation
Published
1/8/2026

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