Dvalin (dvalincode) is an open-source AI coding agent and security tool developed by Arthur Pan. It provides terminal-centric coding capabilities, automated code modifications, and security verification routines designed to fit directly into developer workflows. In daily use, Dvalin operates as a CLI tool supported by a companion VS Code extension and a dedicated web UI for inspecting verification evidence. It can be invoked locally to inspect code, apply changes, and generate fixes, or embedded into continuous integration pipelines to automate repo-wide checks. What sets Dvalin apart is its built-in emphasis on verification and security pipelines, packaged with official GitHub Action support (`dvalin-security-scan`) alongside standard terminal-based agent interactions. Dvalin is distributed as open-source software on GitHub with package distribution via Homebrew formulas.
Tags: ai agent, cli, code assistant, codebase, developer tools, OpenSource