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Every public key offered spends one of the server's `MaxAuthTries` — six by default — whether or not the server wants it, so the order decides who gets locked out when the budget runs dry. Offering the `~/.ssh` defaults before the agent, and offering them on top of a profile's own key rather than instead of it, spent the budget on the keys least likely to be accepted: three stale defaults in `~/.ssh` with the working key in a loaded agent could exhaust the attempts before the agent was reached, and a profile naming its own key came off worse than one naming none. Order the sources by how plainly the user asked for the key: 1. a key the profile names — "use this one" 2. the agent — "I loaded these" 3. the ~/.ssh defaults — nobody said anything, we are guessing Steps 1 and 3 are the same leg, because the defaults now stand in for the identity list only when the profile names no key of its own, the way `IdentityFile`'s default works in ssh_config — verified against the local OpenSSH: `ssh -G` lists five defaults with no IdentityFile and only the named key with one. WezTerm and Tabby both replace rather than append too (wezterm-ssh/src/config.rs:589, tabby-ssh/src/session/ssh.ts:194). The file-vs-agent order has no single convention to follow — WezTerm asks the agent first, Tabby reads files first, OpenSSH merges the two and trims the agent's extras with `IdentitiesOnly`, which tty7 does not parse. This order agrees with OpenSSH and Tabby when the user named a key and with WezTerm when they did not. Dedup by canonical path goes with it: the two lists are alternatives now, so there is nothing to dedup between them. `auth_steps` and `identity_offers` carry the two rules as pure functions, so both are unit tested instead of living inside the async round. The GUI's keychain preload follows the same rule, so both sides still key passphrases by the same strings. Closes #513.
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 (18 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 |
Full documentation lives in docs/ —
keyboard shortcuts ·
config.json ·
CLI reference. The agent-facing CLI interface is also
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