Next.js DevTools MCP (official, Vercel)

Last tested 2026-10-22

Score 90/100 · Last tested 2026-10-22 · Version tested 0.4.0 · Package next-devtools-mcp · Repo vercel/next-devtools-mcp

Summary: Next.js DevTools MCP (official, Vercel) completed an MCP handshake without credentials and exposed 4 tools.

Test results

TestResultPointsEvidence
installpass20npm install next-devtools-mcp (Node 20, Linux) succeeded in 2s.
handshakepass30MCP initialize + tools/list over stdio succeeded with no credentials; 4 tools listed in 6.6s.
maintenancepartial15Repo pushed 37 days before test.
docspass15README over 3,000 chars; install instructions present; mcpServers config example present. Automated check of the package's own README (README shipped in npm package).
licensepass10MIT (OSI-approved).

Local-model readiness

Schema context cost: not yet measured.

Small-model friendly (schema heuristic, not a model result): unknown.

Small-model task runs: Not yet tested.

Not tested

We did not test behavior with real credentials, security, or performance under load. These are planned; see methodology.

Tools listed

browser_eval, nextjs_docs, nextjs_index, nextjs_call

Config used in our test

{
  "mcpServers": {
    "next-js-devtools-mcp-official-vercel": {
      "command": "npx",
      "args": [
        "-y",
        "next-devtools-mcp"
      ]
    }
  }
}

FAQ

Is Next.js DevTools MCP (official, Vercel) deprecated?

No. next-devtools-mcp was not deprecated or archived when we last tested it on 2026-10-22.

What replaces Next.js DevTools MCP (official, Vercel)?

Nothing; Next.js DevTools MCP (official, Vercel) is not deprecated as of 2026-10-22.

Does Next.js DevTools MCP (official, Vercel) need an API key?

No. It completed an MCP handshake with no credentials and listed 4 tools.

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Tested by TestedMCP: 90/100

The badge always shows the current score; payment never changes it.

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