Etherscan vs Contracts Wizard
A side-by-side look at the Etherscan and Contracts Wizard MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
E
EtherscanLegal · Remote HTTP/SSERead-only Etherscan V2 blockchain data: balances, transactions, transfers, tokens, contracts, logs.38FairAuth: not declaredVerdict: choose Etherscan for legal work over a hosted endpoint; choose Contracts Wizard for legal over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
EChoose Etherscan when
- You need dedicated capabilities in the Legal domain.
- You prefer a remote HTTP/SSE transport.
Choose Contracts Wizard when
- You need dedicated capabilities in the Legal domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: No auth required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | E Etherscan | |
|---|---|---|
| Category | Legal | Legal |
| Quality signal | 38/100 · Fair | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Remote HTTP/SSE |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
Tools & capabilities
Etherscan tools
No tool names declared yet. Check the project README from the listing page.
Contracts Wizard tools
No tool names declared yet. Check the project README from the listing page.
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.
Etherscan
{
"mcpServers": {
"etherscan": {
"url": "https://docs.etherscan.io/build-with-ai/mcp"
}
}
}
Contracts Wizard
{
"mcpServers": {
"openzeppelin-contracts-wizard": {
"url": "https://mcp.openzeppelin.com"
}
}
}
Frequently asked questions
Etherscan is categorized under Legal and uses a remote HTTP/SSE transport. Contracts Wizard belongs to Legal and uses a remote HTTP/SSE transport. Pick Etherscan for legal work and Contracts Wizard for legal.
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.
Etherscan has no declared pricing — check the project's own site. Contracts Wizard 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 etherscan and openzeppelin-contracts-wizard as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Etherscan has a quality signal of 38/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Contracts Wizard has 56/100 (Good) with 1 views, 0 installs and 295 GitHub stars.