Mesa.dev

Mesa is a versioned filesystem built specifically for AI agents. Instead of treating files as static blobs or relying on slow git clones, Mesa gives agents a fast, mountable filesystem with full version control. You can create repos, fork workspaces in milliseconds, and let agents read, write, and execute commands inside isolated directories. Every change is tracked, so you can roll back mistakes or review what an agent did.

What makes Mesa stand out is how it combines version control with a real filesystem. Agents get branching and merging, diffs between any two states, and sub-50ms reads even on large files. You can pause an agent mid-task for human review, then resume from the exact same state. Or fork a workspace and run dozens of agents in parallel on isolated branches, picking the best result. Mesa also supports shared memories and skills — versioned files that your entire agent fleet can read and write. It works with any file format: code, spreadsheets, images, PDFs.

Mesa is most useful for teams building AI agents that need to manage documents, write code, analyze data, or run complex workflows. If you're tired of rate limits from git hosts or slow cloud filesystems, Mesa offers a faster, more flexible alternative. It has a generous free tier (50 GB storage, 1,000 repos) and pay-as-you-go pricing beyond that. Enterprise customers can deploy Mesa inside their own cloud account for extra security.