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Developers

You build the agent.
Sofias takes it to companies.

Build AI agents in Python with SDK Lite, test them in an isolated sandbox and publish them on the Sofias marketplace. You set the price and get paid for every company that licenses it.

agent.py
$pip install sofias-sdk-lite
from sofias_sdk_lite import (
    AgentBuilder, BaseAgentSettings, InputContract,
    LLMNodeConfig, NodeContract, OutputContract)

class Question(InputContract): text: str
class Answer(OutputContract): answer: str

answerer = LLMNodeConfig(name="answerer",
    input_contract=Question, output_contract=Answer,
    system_prompt="Answer the customer in two sentences.")
contract = NodeContract(input_schema=Question, output_schema=Answer)

agent = (
    AgentBuilder("support_agent")
    .with_settings_class(BaseAgentSettings)
    .with_contract(input_schema=Question, output_schema=Answer)
    .add_llm_node("answerer", answerer, contract)
    .set_entry_node("answerer").set_terminal("answerer")
    .build()  # the platform wires the model
)

Everything you need, nothing to maintain

You bring the idea and the code. Infrastructure, customers and billing are on us.

01

Build

Python and an SDK that already ships the agent graph, the runner and a wired model. Your code only describes what the agent does.

02

Publish

A template from the portal, tests in an isolated sandbox and a review by our team. We run it for you: no servers to maintain.

03

Earn

You set the price. Every company that licenses your agent pays a monthly subscription and you get your share.

From idea to marketplace in four steps

The whole journey happens in the developer portal.

Create your account

Sign up on the developer portal and connect Stripe to get paid.

Download the template

The wizard generates an agent ready to go, with its settings already in place.

Try it in the sandbox

Talk to your agent in an isolated environment before you submit it.

Publish it

After review, usually one to three business days, it reaches the Sofias marketplace.

EU

European by design

Agents run on infrastructure located in the European Union and models are served by European providers. Something companies here value.

Ready to build your first agent?