Package Registry MCP Server vs Serena

A side-by-side comparison of two Developer Tools servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Package Registry MCP Server Search NPM, crates.io, NuGet, PyPI, Go registries and GitHub Security Advisories for up-to-date package info. Unverified stdio (local) No auth Stale TypeScript	Serena LSP-powered coding agent toolkit: semantic symbol search, references and structural edits. Verified stdio (local) No auth Python
Category	Developer Tools	Developer Tools
Language	TypeScript	Python
Transport	stdio (local)	stdio (local)
Auth	None	None
GitHub stars	38	12k
Last commit	6 months ago	23 days ago
Verified
Actively maintained
Install	`npx package-registry-mcp`	`uvx --from git+https://github.com/oraios/serena serena start-mcp-server`
Repo	Open	Open

Verdict

Pick Package Registry MCP Server if you need the broadest set of tools.

Pick Serena if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Add Package Registry MCP Server

Install / run

npx package-registry-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "package-registry-mcp-server": {
      "command": "npx",
      "args": [
        "package-registry-mcp"
      ]
    }
  }
}

Add Serena

Install / run

uvx --from git+https://github.com/oraios/serena serena start-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "serena": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/oraios/serena",
        "serena",
        "start-mcp-server"
      ]
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

FAQ

Package Registry MCP Server or Serena — which is better?

Pick Package Registry MCP Server if you need the broadest set of tools. Pick Serena if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Can I use both Package Registry MCP Server and Serena?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Package Registry MCP Server and Serena work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Package Registry MCP Server →View Serena →More comparisons →