What is next-devtools?

A local development server that connects coding agents to tools for Next.js, a framework for building web applications with React. It runs through a command-line package and uses a standard input/output connection.

Use it to add the listed Next.js development server to an agent setup, once its available tools are known.

The description does not specify which development tasks or tools the server provides. It only identifies the server, its transport, and how it is started.

next-devtools — MCP server by Kazuki-tam/next-stage

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.

Clone the repo

git clone --depth 1 https://github.com/Kazuki-tam/next-stage

Made for: Cursor.

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.

README.md

[![agentmods](https://agentmods.dev/badge/mcp/kazuki-tam/next-stage/next-devtools/github.svg)](https://agentmods.dev/mcp/kazuki-tam/next-stage/next-devtools)

Your own site

<a href="https://agentmods.dev/mcp/kazuki-tam/next-stage/next-devtools"><img src="https://agentmods.dev/badge/mcp/kazuki-tam/next-stage/next-devtools/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/mcp/kazuki-tam/next-stage/next-devtools"><img src="https://agentmods.dev/badge/mcp/kazuki-tam/next-stage/next-devtools.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

Socket warn 25 Sept 2026

How audits are shown

Origin original No closer match found in the catalogue.

Security

Grade A, and why

next-devtools scanned grade A with 0 findings 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 23d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

next-devtools — 100% identical, 0 lines differ

.cursor/mcp.json · 9 lines

What it actually says

{
  "next-devtools": {
    "command": "bunx",
    "args": [
      "-y",
      "next-devtools-mcp@latest"
    ]
  }
}

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.

23d ago First seen · 9 lines scan A c1e8f646cdfe

Subscribe to this mod's changes

next-devtools is an MCP server published in the GitHub repository Kazuki-tam/next-stage (12 stars, last pushed 24d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-25.

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next-devtools