janito4 is an open-source command-line interface for interacting with OpenAI models, supporting function calling, Model Context Protocol (MCP), and extensible tool integration. It is designed for developers who want to automate or script AI interactions from the terminal.
In the CLI tools & terminal space, janito4 takes a focused approach. Enabling developers to interact with OpenAI models and tools via the command line, including function calling and MCP integration. janito4 is an open-source project aimed at developers. The project is open source (MIT). The product ships for the web and the command line.
Behind janito4 is ikignosis, and the product first shipped in 2026. The project is developed in the open on GitHub with 69 commits in the last 90 days. Across PulseGate's embedding index, janito4 has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are function calling, MCP support, and extensible tools. It exposes integrations via an MCP server.
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