MCP Identity vs Next Devtools MCP

A side-by-side look at the MCP Identity and Next Devtools MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

MCP Identity logoMCP IdentityCryptography · Local subprocess (stdio)DoI score lookup, vouch event builder, and offline schnorr verify for AI agents.37FairAuth: not declaredNext Devtools MCP logoNext Devtools MCPDeveloper Tools · Local subprocess (stdio)Official Next.js MCP server for coding agents. Provides runtime diagnostics, route inspection, dev server logs, docs search, and upgrade guides. Requires Next.js 16+ dev server for full runtime features.86ExcellentAuth: no auth required

Verdict: choose MCP Identity for cryptography work as a local process; choose Next Devtools MCP for developer tools as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

MCP Identity logoChoose MCP Identity when

  • You need dedicated capabilities in the Cryptography domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: LNBITS_INVOICE_KEY.
Explore MCP Identity

Next Devtools MCP logoChoose Next Devtools MCP when

  • You need dedicated capabilities in the Developer Tools domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like nextjs_index, nextjs_call, nextjs_docs.
Explore Next Devtools MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMCP Identity logoMCP IdentityNext Devtools MCP logoNext Devtools MCP
CategoryCryptographyDeveloper Tools
Quality signal37/100 · Fair86/100 · Excellent
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsLNBITS_INVOICE_KEYNone listed
Verified ownerCommunity listing Verified
GitHub stars0832
Directory activity 2 views 0 installs 0 upvotes 9 views 0 installs 1 upvotes
ToolsNot listed4

Tools & capabilities

MCP Identity tools

No tool names declared yet. Check the project README from the listing page.

Next Devtools MCP tools 4

  • nextjs_indexDiscover running Next.js dev servers and list each one's runtime MCP tools.
  • nextjs_callCall a runtime tool on a discovered server (errors, routes, logs, Server Actions).
  • nextjs_docsGateway.** Point the agent at version-accurate docs in `node_modules/next/dist/docs/`.
  • browser_evalGateway.** Point the agent at the [`agent-browser`](https://github.com/vercel-labs/agent-browser) CLI for browser automation.

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.

MCP Identity

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "mcp-identity": {
      "command": "npx",
      "args": [
        "-y",
        "@powforge/mcp-identity"
      ],
      "env": {
        "LNBITS_INVOICE_KEY": "YOUR_LNBITS_INVOICE_KEY_HERE"
      }
    }
  }
}

Next Devtools MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "vercel-next-devtools-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "next-devtools-mcp@latest"
      ]
    }
  }
}

Frequently asked questions

MCP Identity is categorized under Cryptography and uses a local stdio subprocess. Next Devtools MCP belongs to Developer Tools and uses a local stdio subprocess. Pick MCP Identity for cryptography work and Next Devtools MCP for developer tools.

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.

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

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

On AllMCPs, MCP Identity has a quality signal of 37/100 (Fair) with 2 views, 0 installs and 0 GitHub stars. Next Devtools MCP has 86/100 (Excellent) with 9 views, 0 installs and 832 GitHub stars.