Atuin is an open-source shell history tool that replaces your shell's history with a searchable database and end-to-end encrypted sync across machines.
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It now also records your AI coding agents' sessions as threads, so you can search past Claude Code, Codex or opencode sessions from any machine and resume them in their agent.
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`atuin threads enable` captures Claude Code, Codex, Copilot, Grok Build, Hermes Agent, Kiro, opencode, Pi and Amp sessions
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Threads stored in the encrypted record store and synced across machines like shell history
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`atuin threads search` and the `atuin resume` picker, scoped by repo, branch or directory
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`atuin threads import` brings in sessions your agents already have on disk
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Built-in read-only MCP server (`atuin mcp install`) for searching history, command output and threads
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Atuin AI command generation and follow-up questions from an empty prompt
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Self-hostable sync server, or no sync at all
Open Source
Atuin is free and open-source under the MIT licence. History and thread sync runs on the Atuin Cloud server or a server you host yourself, and sync can be left off entirely. Atuin AI needs an Atuin Hub account (or a self-hosted backend), and its docs say usage is currently free.
Best for
Developers who run several coding agents across machines and want one searchable, encrypted record of their sessions and shell history.
Not ideal for
Users who do not want a background daemon recording agent sessions, or who work mainly in a GUI IDE agent that Atuin does not capture.
A mature, widely used shell history tool that has grown a practical cross-agent session archive; useful if you already live in the terminal.
Atuin 18.24.0 (October 15, 2026) renamed AI sessions to threads; 18.24.5 (November 4, 2026) added Grok Build, Kiro CLI and Amp capture, and 18.24.6 (November 10, 2026) captures diffs of Claude Code shell edits.
As of
Is Atuin free?+
Yes - Atuin is Open Source. Atuin is free and open-source under the MIT licence. History and thread sync runs on the Atuin Cloud server or a server you host yourself, and sync can be left off entirely. Atuin AI needs an Atuin Hub account (or a self-hosted backend), and its docs say usage is currently free.
Is Atuin open source?+
Yes - Atuin is open source. Atuin is free and open-source under the MIT licence. History and thread sync runs on the Atuin Cloud server or a server you host yourself, and sync can be left off entirely. Atuin AI needs an Atuin Hub account (or a self-hosted backend), and its docs say usage is currently free.
Who is Atuin best for?+
Developers who run several coding agents across machines and want one searchable, encrypted record of their sessions and shell history.
Who is Atuin not ideal for?+
Users who do not want a background daemon recording agent sessions, or who work mainly in a GUI IDE agent that Atuin does not capture.
What are the best Atuin alternatives?+
The closest Atuin alternatives on ai.dosa.dev are Pieces for Developers, agenttrace, Vibe Kanban - all listed under Developer Productivity & Workflow.
Who makes Atuin?+
Atuin is developed by Atuin. It is listed in the Developer Productivity & Workflow category on ai.dosa.dev.
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