workflow

Guidance for using Vercel Workflow to build tasks that run in steps and can pause, resume, retry, or recover after a crash.

In plain words
What is it for?
Use it for durable workflows, long-running tasks, API routes, and agents that need step-by-step execution or pause-and-resume behavior.
Why use it?
It helps prevent long-running work from stopping halfway or losing progress when a process fails or needs to wait.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/vercel/vercel-plugin/workflow
Any agent
npx skills add vercel/vercel-plugin --skill workflow
Clone the repo
git clone --depth 1 https://github.com/vercel/vercel-plugin

Made for: Claude Code, Codex.

Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 10,868 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00047 $0.10868
Opus 5 $0.00023 $0.05434
Sonnet 5 $0.00009 $0.02174
Haiku 4.5 $0.00005 $0.01087

Measured 2d ago against content hash a2fcc8f57e5e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

workflow scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

3. **Add `"use step"` to Node.js-dependent instance methods.** The SWC plugin strips `"use step"` method bodies from the workflow bundle. This is how you keep Node.js imports (fs, crypto, child_process, etc.) out of the
skills/workflow/SKILL.md · 1,222 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 1,222 lines · 47 tokens per session scan A a2fcc8f57e5e

Subscribe to this mod's changes

workflow is a skill published in the GitHub repository vercel/vercel-plugin (270 stars, last pushed 3d ago), with no licence file. It adds 47 tokens to every session and 10,868 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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