Show HN: Canban – Kanban and Workflow and Herdr Workbench for CLI Agents

Developer JJy released Canban, an open-source macOS 13.0+ (Apple Silicon) Kanban and workflow workbench for running native CLI coding agents such as Claude Code, Codex, Antigravity (`agy`), and Cursor CLI inside persistent PTY sessions. Canban combines a Kanban board with per-Card Git worktrees, visual or YAML workflow automation, and serialized FIFO queue merges with automatic `@merger` conflict resolution, built in Rust on `longbridge/nsh` and `libghostty-vt` over local or remote SSH `herdr-core`; it is installed via `curl -fsSL https://canban.dev/install.sh | bash` and licensed under Apache 2.0.

Focus on Human Context. Canban = Kanban + Workflow + Herdr English · 简体中文 https://github.com/jjyr/canban/blob/main/README.zh-CN.md Website canban.dev https://canban.dev · Philosophy philosophy · Highlights highlights · Installation installation · Related Software related-software-and-acknowledgements · License license 1. Kanban organizes human context — specs, Card references, screenshots, @Agent discussions, structured reports, and review gates stay together on each Card. 2. Herdr drives native Agent CLIs with minimal interference — run Claude Code, Codex, Antigravity agy , Cursor CLI, or custom CLIs directly inside persistent PTYs with native TUIs, permissions, MCPs, skills, and session resume intact. 3. Most work stays on Kanban and dispatches via workflows — shape scope and review diffs on the Board while workflows isolate Git worktrees, dispatch agents, and queue merges automatically. Move Cards across customizable stages Backlog → Develop → Review with live @developer , @reviewer , and @merger status capsules right on the Board. Each Card combines Markdown specs, pasted screenshots, Card / tag links, Cmd+O Quick Open, and GitHub Issue/PR sync with approval gates for external PRs. Automate column transitions, @agent runs, custom scripts, conditions, human approvals, and serialized FIFO Queue Merge deliver with automatic @merger conflict resolution inside isolated per-Card Git worktrees — authored visually in Workflow Studio, in YAML, or via Edit with agent . Press Cmd+J on any Card for a side-by-side terminal split or open the dedicated Terminals workspace. Built in Rust with longbridge/nsh AppKit/Metal and libghostty-vt over local or remote SSH herdr-core , running agent PTYs survive app restarts and upgrades across 17 built-in dark themes. Prerequisites : macOS 13.0+ Apple Silicon , git , at least one native Agent CLI claude , codex , agy , cursor-agent , etc. , and Herdr Core hc Canban guides one-click hc setup on first launch if missing . curl -fsSL https://canban.dev/install.sh | bash Installs or live-upgrades /Applications/Canban.app without interrupting active herdr-core sessions, and automatically handles macOS Gatekeeper quarantine removal and local ad-hoc code signing. Canban builds directly on these open-source projects and assets full attributions and licenses are preserved in THIRD PARTY NOTICES.md https://github.com/jjyr/canban/blob/main/THIRD PARTY NOTICES.md : - Herdr herdr-core https://github.com/herdrdev/herdr-core — Persistent PTY session supervisor and JSON-RPC runtime powering native Agent CLIs and interactive terminals Apache-2.0 - Sheprd https://github.com/sheprd-labs/sheprd — Terminal VT/frame/input and subscription utility patterns referenced during integration Apache-2.0 - NSH longbridge/nsh https://github.com/longbridge/nsh — Native macOS AppKit/Metal Rust UI framework Apache-2.0 - Ghostty libghostty-vt https://github.com/ghostty-org/ghostty — Commit-pinned VT parser and terminal emulation engine MIT - iTerm2-Color-Schemes https://github.com/mbadolato/iTerm2-Color-Schemes MIT — 16 classic terminal color palettes including Monokai, Dracula, Nord, Tokyo Night, and Catppuccin Mocha - Lucide https://lucide.dev ISC , Lobe Icons https://github.com/lobehub/lobe-icons MIT , and Primer Octicons https://github.com/primer/octicons MIT — UI and provider icons Copyright 2026 JJy < jjyruby@gmail.com mailto:jjyruby@gmail.com . Licensed under the Apache License, Version 2.0 https://github.com/jjyr/canban/blob/main/LICENSE .