Suvadu vs Atuin: The Fastest Local-First Atuin Alternative (2026)

Atuin is the shell history tool most developers find first — and for good reason. It's well-built, widely used, and its encrypted cloud sync is genuinely useful. But it's not the only option, and if you're searching for an Atuin alternative, it's usually for one of a few reasons: you want something that's local-first by default, you don't need (or don't want) a sync server, or you've started living inside AI coding agents and want history that understands them. This is an honest Suvadu vs Atuin comparison to help you decide.

Suvadu vs Atuin at a glance

Feature	Suvadu	Atuin
Language	Rust	Rust
Storage	SQLite (WAL mode)	SQLite
Default privacy	100% local, no account	Local-only mode supported; cloud sync opt-in
Cross-machine sync	Encrypted export / import	Encrypted cloud sync (self-host or hosted)
Shell support	Zsh / Bash	Zsh / Bash / Fish / Nushell
AI agent tracking	Claude Code, Cursor, OpenCode, Antigravity	—
MCP server	Built-in (15 tools)	—
Executor detection	8+ types (human vs agent vs CI)	—
Risk assessment	Yes	—
Arrow-key history	Frecency-ranked	Yes
Stats dashboard	Heatmap + charts	Basic stats

Where Atuin shines

Let's be fair to Atuin, because it's a great tool:

• Cloud sync across machines. Atuin's encrypted sync is its headline feature. If you hop between a laptop, a desktop, and a few servers, having one unified history is a real productivity win.
• Broadest shell support. Zsh, Bash, Fish, and Nushell are all first-class. If you live in Fish or Nu, Atuin is the obvious pick.
• Mature ecosystem. It's been around longer, has a large community, and the interactive search UI is polished.

If cross-machine cloud sync is the single most important thing to you and you're on Fish or Nushell, Atuin is hard to beat. The rest of this post is about the cases where Suvadu pulls ahead.

1. Local-first by default, no server to think about

Suvadu stores everything in a local SQLite database and never phones home. There's no account to create, no sync server to run, and no cloud to trust. For cross-machine history you use an explicit encrypted export / import — you move your data deliberately, rather than streaming it to a service. For a lot of developers, "my command history never leaves my machine unless I say so" is exactly the threat model they want.

2. It understands AI coding agents

This is the biggest difference, and it didn't exist as a category when most history tools were designed. When Claude Code, Cursor, OpenCode, or Antigravity runs a shell command, Suvadu records who ran it — agent vs human vs CI — along with the prompt that triggered it. Atuin has no concept of an executor; an rm -rf from your AI agent looks identical to one you typed yourself.

With Suvadu you can answer questions like "what did Claude Code actually run during that refactor?" and "which of these commands were risky?" out of the box. See agent tracking setup for how it works.

3. A built-in MCP server

Suvadu ships an MCP server with 15 tools and 7 resources, so your AI agent can query your shell history as memory — past commands, what failed, what changed, how a problem was solved last time. Atuin has nothing equivalent. If you want your history to be useful to your agent, not just to you, this is a genuine differentiator.

4. Risk assessment and richer organisation

Suvadu flags dangerous commands with risk assessment, ranks arrow-key history by frecency, and adds bookmarks, notes, session tagging, and a stats dashboard with a heatmap. These aren't dealbreakers on their own, but together they make day-to-day history feel less like a flat log and more like a workspace.

Performance

Both tools are written in Rust and both are fast. Suvadu is engineered to record every command in under 2 milliseconds using SQLite WAL mode and native shell hooks, so you won't feel it at the prompt. In practice you should consider performance a tie and choose on features.

So, should you switch from Atuin?

• Stay on Atuin if you rely on cross-machine cloud sync or you use Fish / Nushell.
• Switch to Suvadu if you want local-first history by default, you work inside AI coding agents and want to track and audit what they run, or you want your history exposed to your agent via MCP.

You don't have to decide blind — Suvadu installs in one line and reads your existing shell history, so you can try it alongside whatever you use today.

Install Suvadu →  ·  See the full 4-way comparison (Atuin vs McFly vs Hstr vs Suvadu) →