Vercel Agent Harnesses
by Vercel
Official listing: built and published by Vercel. More from Vercel
Runs Claude Code, Codex, OpenCode, and Pi as durable harnesses whose turns resume after crashes or timeouts, for teams deploying coding agents on Vercel.
- Access
- API
- Auth
- Bearer Token
- Skills
- 4
Skills
Resume Interrupted Turns
Keeps each session in a durable log so a new function resumes a turn after a crash, function timeout, or redeploy.
Run Popular Harnesses
Runs Pi and OpenCode in your function, and Claude Code and Codex experimentally in a Vercel Sandbox, keeping each harness's options and tools.
Isolate Model Commands
Runs commands and files the model picks in a virtual workspace or a Vercel Sandbox, never on the function's own disk.
Self-Host On Any World
Stores the session log in a Workflow SDK World: Vercel's on Vercel, files on your machine, or Postgres on your own servers.
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