What is the main functional difference between Next Devtools MCP and Vivac?

Next Devtools MCP is categorized under Developer Tools and uses a local stdio subprocess. Vivac belongs to Developer Tools and uses an install path we have not confirmed yet. Pick Next Devtools MCP for developer tools work and Vivac for developer tools.

How do I install Next Devtools MCP or Vivac in Claude Desktop, Cursor, or Windsurf?

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Vivac has no confirmed install command yet — follow its own setup instructions.

Are Next Devtools MCP and Vivac free to use, or do they require API keys?

Next Devtools MCP is listed as free. Auth: no auth required. Vivac has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Can I run both Next Devtools MCP and Vivac at the same time in my AI client?

Yes. MCP clients support multiple servers: add vercel-next-devtools-mcp and vivac as separate keys in the same mcpServers object, and your assistant will call tools from either one.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Next Devtools MCP has a quality signal of 86/100 (Excellent) with 8 views, 0 installs and 828 GitHub stars. Vivac has 29/100 (Emerging) with 0 views, 0 installs and 1 GitHub stars.

Next Devtools MCP vs Vivac — MCP Server Comparison

Next Devtools MCP vs Vivac — MCP Server Comparison | AllMCPs

Feature & specification comparison

Rows where the two servers differ are marked.

Spec	Next Devtools MCP	Vivac
Category	Developer Tools	Developer Tools
Quality signal	86/100 · Excellent	29/100 · Emerging
Install command	Confirmed	Not confirmed yet
Transport	Local subprocess (stdio)	—
Auth	No auth required	Not declared
Pricing	Free	Not declared
Required env vars	None listed	None listed
Verified owner	Verified	Community listing
GitHub stars	828	1
Directory activity	8 views 0 installs 1 upvotes	0 views 0 installs 0 upvotes
Tools	4	Not listed
Full listing	View Next Devtools MCP	View Vivac

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.