Zactonz vs Magic MCP
A side-by-side look at the Zactonz and Magic MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Z
ZactonzDeveloper Tools · Local subprocess (stdio)Screenshots, page to Markdown, link previews, DNS, SSL, WHOIS, QR codes and more for AI agents.53GoodAuth: api key requiredVerdict: choose Zactonz for developer tools work as a local process; choose Magic 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?
ZChoose Zactonz when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
ZACTONZ_API_KEYS. - You want tools like
capture_screenshot, render_html, read_webpage.
Choose Magic MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
TWENTY_FIRST_API_KEY, API_KEY_21ST.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | Z Zactonz | |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 53/100 · Good | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | API key required |
| Pricing | Freemium | Paid service |
| Required env vars | ZACTONZ_API_KEYS | TWENTY_FIRST_API_KEYAPI_KEY_21ST |
Tools & capabilities
Zactonz tools 19
capture_screenshotCapture a web page as an image or PDFrender_htmlRender HTML to an image or PDFread_webpageRead a web page as Markdownconvert_html_to_markdownConvert HTML to Markdownpreview_linkTitle, description, image and metadata of a URLlookup_dnsDNS records and DNSSEC statusinspect_ssl_certificateCertificate, chain, expiry and TLS detailslookup_whoisRegistrar, dates and nameservers of a domaincheck_email_domainMX, SPF, DKIM, DMARC and related records, scoredverify_emailsWhether addresses can receive mailgenerate_qr_codeGenerate a QR coderead_qr_codeDecode a QR code- +7 more on the listing page
Magic MCP 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.
Zactonz
{
"mcpServers": {
"zactonz": {
"command": "npx",
"args": [
"-y",
"@zactonz/mcp"
],
"env": {
"ZACTONZ_API_KEYS": "YOUR_ZACTONZ_API_KEYS_HERE"
}
}
}
}
Magic MCP
{
"mcpServers": {
"21st-dev-magic-mcp": {
"command": "npx",
"args": [
"-y",
"@21st-dev/cli@latest"
],
"env": {
"TWENTY_FIRST_API_KEY": "YOUR_TWENTY_FIRST_API_KEY_HERE",
"API_KEY_21ST": "YOUR_API_KEY_21ST_HERE"
}
}
}
}
Frequently asked questions
Zactonz is categorized under Developer Tools and uses a local stdio subprocess. Magic MCP belongs to Developer Tools and uses a local stdio subprocess. Pick Zactonz for developer tools work and Magic 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.
Zactonz is listed as freemium — a free tier with paid plans. Auth: api key required. Magic MCP is listed as a paid service. Auth: api key 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 zactonz and 21st-dev-magic-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Zactonz has a quality signal of 53/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Magic MCP has 53/100 (Good) with 16 views, 1 installs and 5,997 GitHub stars.
