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l0ng-ai
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Arrow, Home and End were always sent as their CSI form, no matter what the foreground program had asked for. Programs that turn on DECCKM via smkx -- which is every ncurses full-screen app -- expect the SS3 form, because that is what xterm-256color spells kcuu1 & co. as, and ncurses matches terminfo byte for byte. htop was the report: ncurses failed to match \E[A, handed the bytes to htop one at a time, and htop binds `[` to "lower priority", so every Up or Down bumped the selected process's nice value instead of moving the selection. The same breakage hits ncdu, mc, dialog, menuconfig, nmtui. Shells were unaffected because readline and zle bind both forms, and the mouse wheel already got this right in wheel_route(). Named keys now also carry their modifiers the way terminfo declares them (kLFT=\E[1;2D, kUP5=\E[1;5A, kDC3=\E[3;3~), instead of dropping Shift/Ctrl entirely and prefixing Alt with a bare ESC. Cmd stays out of the modifier parameter -- xterm has no encoding for it. The legacy and kitty encoders shared this table already; they now share one function, so both follow DECCKM. KittyFlags grew past its name and becomes KeyFlags. Verified in a dev instance: with DECCKM on the arrows arrive as ^[OA ^[OB ^[OD, with it off as ^[[A ^[[B ^[[D.
tty7
A terminal workbench: persistent sessions, remote work, agents.
Pure Rust · GPU rendering on Zed's gpui · VT core from Alacritty
English · 简体中文
Why
- Performance — ~2× the throughput of Alacritty, Ghostty, or Kitty (benchmarks)
- Persistent sessions — quit or reboot; your shells and supported agent sessions keep running, no tmux
- Editor-grade input — suggestions, completion, highlighting, history search
- Remote development — files, repos, panes, and git data stay on the remote machine
- Native SSH — profiles, SFTP, port forwarding, and jump hosts
- Agent-aware — Claude Code, Codex & co.: status, notifications, git context
- CLI + Skills — agents create panes, run commands, and inspect output
Install
Native builds for each platform on Releases:
| macOS | …-macos-arm64.dmg · …-x86_64.dmg |
drag into Applications |
| Windows | …-setup.exe · portable ….zip |
|
| Linux | …-x86_64.AppImage |
chmod +x and run — X11/Wayland libraries bundled |
What's inside
| Editor-grade input | ghost suggestions from history · explained tab completion · syntax highlighting · multi-line editing · click places the caret · ⌃ R fuzzy history |
| Window | tabs & splits · ⌘ P palette · ⌘ F scrollback search · nine themes · IME |
| Agent-aware | per-pane detection (~17 CLIs): status dot · notifications · branch + diff · resume after reboot · tray icon when input is needed |
| Remote workspaces | remote files, repos, changes, diffs, worktrees, tabs, and panes · reconnect from any client and continue where you left off |
| CLI + Skills | bundled tty7 CLI · agent skill · pane/workspace control · real PTY commands · output, process, port, and agent status |
| SSH | native russh stack: profiles with keychain secrets · SFTP panel · port forwarding · jump hosts · one-time, unprivileged tty7-server install |
Terminal and keybinding reference: docs/features.md. The agent-facing CLI interface is documented in skills/tty7/SKILL.md.
Install the skill with:
npx skills add l0ng-ai/tty7
Benchmarks
Same machine, same day, same 155×40 grid — Apple M1 Pro, macOS 26.3.1, five-run averages (2026-07-04):
| tty7 | Alacritty | Ghostty | Kitty | |
|---|---|---|---|---|
Plaintext I/O — 11 MB cat (lower = better) |
95 ms | 239 ms | 179 ms | 185 ms |
| DOOM-fire frame rate (higher = better) | 888 fps | 485 fps | 552 fps | 617 fps |
| Cold-launch memory | 116 MB¹ | 105 MB | 128 MB | 130 MB |
¹ GUI 105 MB + the persistent server 11 MB.
Methodology and one-command reproduction: scripts/bench/.
Built on gpui and alacritty_terminal · Apache-2.0 · Discord · Changelog