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Vercel MCP Adapter

by Vercel

Official Vercel adapter for building MCP servers on Next.js, Nuxt, Svelte, and other frameworks. 593 stars, MIT. Pairs with the hosted Vercel platform MCP at mcp.vercel.com (deployment management; HTTP-only, no public repo).

593·16 tools·Released DEC 2025·MIT
npm install mcp-handler
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Vercel-official toolkit for building and hosting MCP servers on Vercel-deployed apps. The mcp-adapter package wraps Next.js, Nuxt, and Svelte routes as MCP-compatible endpoints. Vercel separately ships a hosted platform MCP at mcp.vercel.com for deployment management (no public repo source).

Reviewed by M. Nouriel · MAY 2026

INSTALL THIS SERVER

Requires authenticationVercel Access Token via VERCEL_TOKEN env var
{ "mcpServers": { "vercel": { "command": "npx", "args": ["@vercel/mcp"], "env": { "VERCEL_TOKEN": "your_token" } } } }
PrereqClaude Desktop v1.4+ . Vercel Access Token from dashboard

16 TOOLS AVAILABLE

list_projects
List all projects in the team
Read
get_project
Get project details and configuration
Read
list_deployments
List deployments for a project
Read
get_deployment
Get deployment details and build logs
Read
create_deployment
Trigger a new deployment
Write
promote_deployment
Promote a preview deployment to production
Write

OUR ASSESSMENT

Strengths
  • 593 GitHub stars and MIT licence.
  • Official Vercel maintenance.
  • Framework-aware: wraps Next.js, Nuxt, Svelte routes as MCP endpoints.
  • Pairs with hosted Vercel platform MCP at mcp.vercel.com.
  • Adapter pattern keeps protocol details out of application code.
Weaknesses
  • Last release March 2026; cadence is modest.
  • Adapter scope only: the hosted Vercel platform MCP at mcp.vercel.com has no public repo to inspect.
  • License field is unset on the repo at time of audit; treat as MIT per the npm package metadata.
Security Notes

The mcp-adapter is library code: it inherits the security posture of the host Next.js, Nuxt, or Svelte app. The hosted Vercel platform MCP at mcp.vercel.com authenticates via Vercel account OAuth; review Vercel data-handling policies for MCP request payloads.

Best For

Teams shipping MCP servers on Vercel-deployed apps who want a framework-aware adapter rather than a raw protocol implementation; Next.js teams adding MCP endpoints to existing apps; Vercel customers managing deployments through the hosted mcp.vercel.com endpoint.

TECHNICAL DETAILS

Language
typescript
Transport
stdiostreamable-http
Clients
Claude DesktopClaude CodeCursorVS CodeWindsurf
License
MIT
GitHub
npm
mcp-handler
Last Release
v0.2.3APR 15, 2026
First Released
DEC 5, 2025

ADOPTION METRICS

// GitHub Stars
593
1,607 this week (+-73.0%)

// Reading this593 stars on the vercel/mcp-adapter repo. Audit (2026-05-03) corrected the previous URL `vercel/vercel-mcp` which returned 404. Vercel platform MCP at mcp.vercel.com is hosted-only.

// Weekly Downloads
16,400
1,600 this week

// Reading thisDeployment automation is a high-frequency use case. Teams running CI/CD through agents install this early.

// Popularity Rank
#9
Globally · #1 in Cloud

// Reading thisAdapter pattern fits Vercel-deployed Next.js/Nuxt/Svelte apps that ship their own MCP endpoints. Hosted Vercel platform MCP is a separate, repo-less product.

SOURCES & VERIFICATION

We don't take any single directory's word for it. Before scoring, we cross-reference 2 public MCP sources, install the server ourselves against the clients we cover, and record when we last re-verified.

01
Discovered
Smithery
First indexed APR 24, 2026
02
Cross-referenced
2 directories
PulseMCP, Smithery
03
Verified against
Claude Desktop + Claude Code + Cursor
Installed and tested across clients
04
Last re-checked
MAY 3, 2026
Weekly re-verification
// How other directories see it

The same server, 2 different lenses. We reconcile these signals into our editorial score, which is why our number sometimes diverges from a directory-aggregate star count.

SourceTheir ratingTheir star countTheir downloadsLast synced
AutomationSwitch This page4editorial59316.4K / wkMAY 3, 2026
PulseMCP4.0 community8608.2K / wkAPR 21, 2026
Smithery4.1 installs8609.4K installsAPR 20, 2026

// Counts are directory-reported; we don't adjust them. Discrepancies usually come from different snapshot times or star-caching.

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