AI Engineering

Oct 20, 2026 · Artificial Intelligence

Vercel's durable-harness Enables Automatic Crash Recovery for AI Agents

Vercel open-sources durable-harness, an adapter that adds durable execution to coding agents like Claude Code and Codex by logging every model and tool call to a persistent log, enabling automatic recovery after crashes with configurable replay strategies for safe and unsafe tools, flexible deployment from local files to Postgres, and multiple filesystem modes for different workloads.