Kaito Yamada
Kaito Yamada is an individual software engineer and solo developer/creator, rather than an incorporated company. He publishes the To Be Decided personal technology blog, leads development of the open-source Pcap4J Java packet-capture library, and develops A2Flow, an open-source chat-driven workflow engine built around an AI agent.
At a Glance
- IT and operations teams
- Teams managing service requests, change execution, and approvals
- Organizations running Kubernetes and AIOps workflows
- Java developers building network and packet-processing applications
AI Tools by Kaito Yamada
(1)
A2Flow
Open Source AI Workflow Engine
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Latest News
A2Flow v0.2.0 tagged; AWS walkthrough updated with the IAM policy required for its access key.
A2Flow v0.1.2 tagged with frontend and backend patch-version bump.
A2Flow v0.1.1 tagged with frontend and backend patch-version bump.
A2Flow v0.1.0 tagged, marking the first tagged release shown in the repository's tag history.
Products & Services
An Apache-2.0 open-source, chat-driven workflow engine in which an AI agent plans work as a task graph, preserves the plan as a repeatable workflow, pauses for designated human approvals, and executes the remaining tasks. It is self-hosted and uses Agent Skills in Git, MCP tools, AG-UI and A2UI protocols, and a FastAPI/Google ADK/LiteLLM stack.
An open-source Java library for capturing, crafting, and sending packets. It wraps native packet-capture libraries such as libpcap, is distributed through Maven Central, supports protocol extensions without modifying the library, and provides samples and API documentation. Yamada's official bio calls him its lead developer.
Kaito Yamada's personal technology blog, covering software engineering, Kubernetes, AWS, MCP, generative AI, LLMs, and AI coding.
Market Position
A2Flow differentiates itself from conventional rigid, form-and-queue workflow engines by making the AI agent the workflow runtime while retaining a versioned task graph, approvals, auditability, and repeatability. Pcap4J is positioned as a maintained Java packet-capture and packet-crafting alternative in the ecosystem that includes JNetPcap, with native libpcap integration and extensible protocol support.
Leadership
Founders
Kaito Yamada
Software engineer in Yokohama, Japan; employed by Hitachi. His official bio says he led development of Pcap4J, worked for nine years on a network-management product, and is now developing an AIOps product running on Kubernetes. He has worked with C, C++, Java, Perl, JavaScript, CoffeeScript, TypeScript, Python, and Go.
Business Model
Revenue Model
The identified projects are open-source software: A2Flow is published under Apache-2.0 and Pcap4J is available as an open-source library through Maven Central. No commercial subscription, paid tier, or services model is described in the reviewed sources.
Target Markets
- IT and operations teams
- Teams managing service requests, change execution, and approvals
- Organizations running Kubernetes and AIOps workflows
- Java developers building network and packet-processing applications
- ITSM-style service requests
- Change execution and other operational procedures
- Announcements and repeatable internal workflows
- Cloud operations such as an approval-gated EC2 launch
- Teams that need auditable human approvals and repeatable AI-assisted procedures
- Java applications that need packet capture, packet crafting, or packet transmission