access-protected-vercel-deployment

access-protected-vercel-deployment is a skill for Claude Code, Codex from vercel/vercel-plugin. It costs 105 tokens per session (1,764 once invoked), scanned A, original, no licence file.

Guidance for accessing and testing Vercel deployments protected by login, single sign-on (SSO), or deployment-protection checks. It applies when automated requests receive a login page or HTTP 401 or 403 responses.

In plain words
What is it for?
Use it to test protected Vercel URLs with curl, browser automation, Playwright, or similar tools and investigate authentication or deployment-protection errors.
Why use it?
It helps diagnose access failures when automated tools cannot reach a protected preview or production deployment.

Skill for Claude CodeCodex

Part of the vercel plugin — 43 skills, 5 commands, 3 agents, 2 hooks, 1 MCP server shipped together

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

Made for: Claude Code, Codex.

Or install vercel, the plugin that ships this one along with the rest of its 43 skills, 5 commands, 3 agents, 2 hooks, 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for access-protected-vercel-deployment

README.md
[![agentmods](https://agentmods.dev/badge/skills/vercel/vercel-plugin/access-protected-vercel-deployment.svg)](https://agentmods.dev/skills/vercel/vercel-plugin/access-protected-vercel-deployment)
Your own site
<a href="https://agentmods.dev/skills/vercel/vercel-plugin/access-protected-vercel-deployment"><img src="https://agentmods.dev/badge/skills/vercel/vercel-plugin/access-protected-vercel-deployment.svg" alt="Measured on agentmods" height="20"></a>
Per session 105 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,764 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 $0.00105 $0.01764
Opus 5 $0.00053 $0.00882
Sonnet 5 $0.00021 $0.00353
Haiku 4.5 $0.00011 $0.00176

Measured 4d ago against content hash 24d295fa893a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

access-protected-vercel-deployment 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 4d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

description: Access and test Vercel deployments protected by Vercel Authentication, SSO, or Deployment Protection. Use when curl, agent-browser, Playwright, or another automated request reaches a Vercel login or protecti
skills/access-protected-vercel-deployment/SKILL.md · 170 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

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. 4d ago First seen · 170 lines · 105 tokens per session scan A 24d295fa893a

Subscribe to this mod's changes

access-protected-vercel-deployment is a skill published in the GitHub repository vercel/vercel-plugin (275 stars, last pushed today), with no licence file. It adds 105 tokens to every session and 1,764 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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