OpenZeppelin Contracts MCP Server vs Serena

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

	OpenZeppelin Contracts MCP Server Let AI agents generate audited smart contracts using OpenZeppelin Contracts libraries. Unverified stdio (local) No auth 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	292	12k
Last commit	1 day ago	15 days ago
Verified
Actively maintained
Install	`claude mcp add OpenZeppelinContracts -- npx -y @openzeppelin/contracts-mcp`	`uvx --from git+https://github.com/oraios/serena serena start-mcp-server`
Repo	Open	Open

Verdict

Pick OpenZeppelin Contracts MCP Server if you want the official, vendor-maintained server, and 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 OpenZeppelin Contracts MCP Server

Install / run

claude mcp add OpenZeppelinContracts -- npx -y @openzeppelin/contracts-mcp

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

{
  "mcpServers": {
    "openzeppelin-contracts-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@openzeppelin/contracts-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

OpenZeppelin Contracts MCP Server or Serena — which is better?

Pick OpenZeppelin Contracts MCP Server if you want the official, vendor-maintained server, and 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 OpenZeppelin Contracts 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 OpenZeppelin Contracts 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 OpenZeppelin Contracts MCP Server →View Serena →More comparisons →