Serviceplan launches secure, inbox-driven marketplace for AI agents

The Serviceplan Group is launching Sōkosumi, a platform that enables companies to use AI agents productively in their everyday work.

As a marketplace, Sōkosumi combines its own enterprise agents with third-party services on a secure platform that complies with the EU AI Act.

Companies can use various services performed autonomously by AI agents and pay for them using traditional payment methods – without subscriptions, simply by invoice or credit card, and only for services actually used. What makes Sōkosumi special is that it organizes work with AI agents via a familiar inbox system that works like an email program.

At launch, Serviceplan is providing a set of basic agents to assist with research tasks, including analyzing entire websites and evaluating social media channels, including automated reporting. A highlight is that various agents can develop reports and responses with the help of premium data from the Statista statistics portal.

Berliner Verkehrsbetriebe is already using basic agents such as the 'Content Page Identifier' for competitive analysis. Serviceplan also uses Sōkosumi in its day-to-day work, providing all employees with a simple, secure platform for using AI agents.

Unlike chat-based AI tools, Sōkosumi relies on an inbox principle: each agent has their own inbox where all orders and results are clearly organized – and, in compliance with data protection regulations, can only be viewed by the respective company.

Assigning an agent is similar to writing an email, and the results are returned in a structured format ready for download. This familiar approach makes organizing and retrieving work results much easier.

Sebastian Küpers, co-founder and Plan.Net Studios' managing director, Sōkosumi. “With Sōkosumi, we are creating much more than just a marketplace. It is a productivity tool that provides companies with a secure working environment for AI agents. Companies can create their own organizations, invite employees, and precisely control which agents can be used with which budgets. They can even make their own agents available on the infrastructure, exclusively for their own employees.”

Sōkosumi stands out from other platforms in three significant ways:

The inbox principle instead of a chat interface for better organisation of knowledge work.

In line with European regulations, with servers in Germany and consideration of the EU AI Act.

A pay-per-use model instead of subscriptions, so companies only pay for the services they use.

All agents on Sōkosumi must publish their terms of service and provide sample outputs. This allows users to know exactly what they can expect for their money. The only requirement for developers creating their agents by using popular frameworks such as CrewAI, LangGraph, or n8n is support for the Masumi protocol.

With Sōkosumi, Serviceplan has completed its Agentic AI strategy. Following the launch of the Masumi network, which enables secure collaboration and payments between agents, and Kōdosumi, which facilitates the deployment of highly available agents, Sōkosumi now provides companies with direct access.

Küpers: “Our goal is to enable the ‘Agentic Economy’, an economy in which AI agents collaborate securely to solve complex problems. This requires trust in the infrastructure. Masumi achieves this through its protocol features, such as verifiable accountability and secure refunds. Sōkosumi now makes this technology available to businesses.”

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