What is contracts-wizard?
contracts-wizard is a MCP server by OpenZeppelin that generate secure smart contracts in multiple languages from OpenZeppelin Wizard templates. It is listed under Developer tools and has 295 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | OpenZeppelin |
| Repository | OpenZeppelin/contracts-wizard |
| Popularity | 295 GitHub stars |
| Category | Developer tools |
| Security | Low risk (92/100) |
| Rank | #333 of 4,418 MCP servers; #106 in Developer tools |
| License | AGPL-3.0 |
| Last commit | 2026-10-18 |
| Runs | Not stated |
Is contracts-wizard safe to install?
contracts-wizard scores 92/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 4 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Where data goes is not stated | Note |
| No credentials mentioned | Pass |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install contracts-wizard?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/OpenZeppelin/contracts-wizard/tree/master/packages/mcp
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add contracts-wizard -- <command from README> claude mcp add --transport http contracts-wizard <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs contracts-wizard for you:
Add the "contracts-wizard" MCP server from https://github.com/OpenZeppelin/contracts-wizard/tree/master/packages/mcp to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.