https://shell.online/blog/ Guides, security notes and engineering write-ups from shell.online: sharing live terminal sessions, read-only links, end-to-end encryption and coding agents on your phone. en https://shell.online/blog/end-to-end-encrypted-terminal-sharing-has-a-second-secret-on-the-host-shell-onli/https://shell.online/blog/end-to-end-encrypted-terminal-sharing-has-a-second-secret-on-the-host-shell-onli/Wed, 30 Sep 2026 00:00:00 GMTSecurityWhat end-to-end encrypted terminal sharing hides from the relay, and why shell.online v0.24.1 moved the session password out of process environments. https://shell.online/blog/let-a-coding-agent-share-its-own-terminal-session-in-the-browser-the-shell-onlin/https://shell.online/blog/let-a-coding-agent-share-its-own-terminal-session-in-the-browser-the-shell-onlin/Tue, 29 Sep 2026 00:00:00 GMTGuideHow the shell.online agent skill tells Claude Code or Codex to share a terminal session in the browser and hand you the link, read-only when it should be. https://shell.online/blog/watch-a-coding-agent-remotely-without-shrinking-its-terminal-shell-online-v0-23/https://shell.online/blog/watch-a-coding-agent-remotely-without-shrinking-its-terminal-shell-online-v0-23/Sun, 27 Sep 2026 00:00:00 GMTEngineeringHow to watch a coding agent remotely from a phone now that shell.online v0.23.2 lets the host own its terminal grid and each browser viewer reflow its own view. https://shell.online/blog/self-hosted-terminal-sharing-run-the-shell-online-relay-on-one-docker-host-inste/https://shell.online/blog/self-hosted-terminal-sharing-run-the-shell-online-relay-on-one-docker-host-inste/Sat, 26 Sep 2026 00:00:00 GMTOperationsCloudflare had a Durable Objects incident on 25 September. Here is self-hosted terminal sharing with the standalone shell.online relay, step by step. https://shell.online/blog/start-a-terminal-session-from-the-browser-on-a-mac-that-sat-idle-for-days-the-la/https://shell.online/blog/start-a-terminal-session-from-the-browser-on-a-mac-that-sat-idle-for-days-the-la/Fri, 25 Sep 2026 00:00:00 GMTEngineeringWhy browser-started sessions on an idle Mac lagged for seconds, and what v0.23.3 changes when you start a terminal session from the browser. https://shell.online/blog/watch-claude-code-from-your-phone-as-a-conversation-not-an-80-column-grid/https://shell.online/blog/watch-claude-code-from-your-phone-as-a-conversation-not-an-80-column-grid/Thu, 24 Sep 2026 00:00:00 GMTEngineeringHow to watch Claude Code from your phone with the shell.online chat renderer, what it reads from the screen, and where the transcript is kept. https://shell.online/blog/share-a-terminal-session-password-with-a-teammate-without-the-service-seeing-it/https://shell.online/blog/share-a-terminal-session-password-with-a-teammate-without-the-service-seeing-it/Wed, 23 Sep 2026 00:00:00 GMTSecurityshell.online v0.23.1 lets a teammate ask a session owner for its password; the copy is sealed in the owner's browser and the service never holds it. https://shell.online/blog/which-agent-session-needs-you-shell-online-v0-22-adds-a-passive-pulse-to-monitor/https://shell.online/blog/which-agent-session-needs-you-shell-online-v0-22-adds-a-passive-pulse-to-monitor/Tue, 22 Sep 2026 00:00:00 GMTEngineeringshell.online v0.22.0 adds a passive session pulse to monitor a coding agent in the browser across tabs, with no model calls, prompts, or extra connections. https://shell.online/blog/mcp-terminal-access-for-an-ai-agent-scoped-grants-that-expire-and-revoke/https://shell.online/blog/mcp-terminal-access-for-an-ai-agent-scoped-grants-that-expire-and-revoke/Mon, 21 Sep 2026 00:00:00 GMTSecurityHow shell.online v0.21 gives an AI agent MCP terminal access through scoped, expiring, revocable grants, and what that costs you in end-to-end encryption. https://shell.online/blog/a-read-only-terminal-link-for-your-coding-agent-after-plugin4shell/https://shell.online/blog/a-read-only-terminal-link-for-your-coding-agent-after-plugin4shell/Sun, 20 Sep 2026 00:00:00 GMTSecurityPlugin4Shell showed how much a coding agent can reach. A read-only terminal link lets a reviewer watch that agent without holding a credential that types. https://shell.online/blog/how-to-revoke-a-shared-terminal-link-without-killing-the-process-behind-it/https://shell.online/blog/how-to-revoke-a-shared-terminal-link-without-killing-the-process-behind-it/Sat, 19 Sep 2026 00:00:00 GMTSecurityRevoke a shared terminal link with one command: shell password rotate swaps the key, drops viewers, and leaves the process running. https://shell.online/blog/end-to-end-encrypted-terminal-sharing-what-the-relay-sees-and-what-it-can-no-lon/https://shell.online/blog/end-to-end-encrypted-terminal-sharing-what-the-relay-sees-and-what-it-can-no-lon/Fri, 18 Sep 2026 00:00:00 GMTSecurityWhat end-to-end encrypted terminal sharing in shell.online hides from the relay, what it leaks, and how envelope v2 stops replayed keystrokes. https://shell.online/blog/end-to-end-encrypted-terminal-sharing-what-the-relay-can-still-do-after-shell-on/https://shell.online/blog/end-to-end-encrypted-terminal-sharing-what-the-relay-can-still-do-after-shell-on/Thu, 17 Sep 2026 00:00:00 GMTSecurityWhat end-to-end encrypted terminal sharing hides from a relay, what it never hid, and how shell.online v0.16.1 stops replayed keystrokes. https://shell.online/blog/track-terminal-sessions-across-machines-by-name-shell-online-v0-16-adds-name-and/https://shell.online/blog/track-terminal-sessions-across-machines-by-name-shell-online-v0-16-adds-name-and/Wed, 16 Sep 2026 00:00:00 GMTEngineeringshell.online v0.16.0 lets you name a session at start and list terminal sessions across machines with shell ls, as agents move into remote sandboxes. https://shell.online/blog/a-browser-terminal-on-a-ros-2-robot-without-a-vpn-and-why-it-should-be-read-only/https://shell.online/blog/a-browser-terminal-on-a-ros-2-robot-without-a-vpn-and-why-it-should-be-read-only/Tue, 15 Sep 2026 00:00:00 GMTGuideHow to get a browser terminal on a ROS 2 robot with shell.online: one command, no VPN, read-only links, reconnects, and persistent URLs across reboots. https://shell.online/blog/connect-an-ai-agent-to-a-live-terminal-without-giving-it-the-machine-shell-onlin/https://shell.online/blog/connect-an-ai-agent-to-a-live-terminal-without-giving-it-the-machine-shell-onlin/Mon, 14 Sep 2026 00:00:00 GMTEngineeringHow to connect an AI agent to a live terminal with shell.online v0.15: a revocable invitation, explicit completion evidence, and a process that stays yours. https://shell.online/blog/share-a-terminal-session-in-the-browser-without-handing-over-the-filesystem-shel/https://shell.online/blog/share-a-terminal-session-in-the-browser-without-handing-over-the-filesystem-shel/Sun, 13 Sep 2026 00:00:00 GMTSecurityshell.online v0.14 adds opt-in, rooted file access, so you can share a terminal session in the browser and open only the files you chose. https://shell.online/blog/self-hosted-terminal-sharing-on-one-docker-box-the-shell-online-relay-without-a/https://shell.online/blog/self-hosted-terminal-sharing-on-one-docker-box-the-shell-online-relay-without-a/Sat, 12 Sep 2026 00:00:00 GMTOperationsshell.online v0.12.2 adds self-hosted terminal sharing: a standalone relay on any Docker host, Caddy TLS, no Cloudflare account, same E2EE. https://shell.online/blog/a-read-only-terminal-link-for-a-training-run-you-check-from-your-phone/https://shell.online/blog/a-read-only-terminal-link-for-a-training-run-you-check-from-your-phone/Fri, 11 Sep 2026 00:00:00 GMTGuideShare a training run with a read-only terminal link: one command, a phone-sized grid, relay-enforced no-input, E2EE, and what happens when the network drops. https://shell.online/blog/vs-code-1-137-runs-agent-sessions-in-their-own-process-terminal-sharing-without/https://shell.online/blog/vs-code-1-137-runs-agent-sessions-in-their-own-process-terminal-sharing-without/Thu, 10 Sep 2026 00:00:00 GMTGuideHow to pair-debug a failing build with terminal sharing without SSH or VPN, and how that compares to the Agent Host in VS Code 1.137. https://shell.online/blog/team-terminal-sharing-sealed-so-the-service-cant-open-it/https://shell.online/blog/team-terminal-sharing-sealed-so-the-service-cant-open-it/Wed, 09 Sep 2026 00:00:00 GMTSecurityShare terminal sessions with your team on shell.online: organizations, handoffs, remote start, and session passwords the accounts service cannot read. https://shell.online/blog/how-to-watch-a-coding-agent-remotely-after-you-turn-off-its-permission-prompts/https://shell.online/blog/how-to-watch-a-coding-agent-remotely-after-you-turn-off-its-permission-prompts/Tue, 08 Sep 2026 00:00:00 GMTGuideClaude Code 2.1.259 runs headless with no prompts. Here is how to watch a coding agent remotely from a phone with a read-only, end-to-end encrypted link. https://shell.online/blog/shell-online-live-terminal-browser-link/https://shell.online/blog/shell-online-live-terminal-browser-link/Wed, 02 Sep 2026 00:00:00 GMTBlogshell.online turns a running terminal command into a browser link you can watch or type into from any device. Open source, built by Pilot Protocol.