What is the main functional difference between Magic MCP and SiteData MCP?

Magic MCP is categorized under Developer Tools and uses a local stdio subprocess. SiteData MCP belongs to Developer Tools and uses an install path we have not confirmed yet. Pick Magic MCP for developer tools work and SiteData MCP for developer tools.

How do I install Magic MCP or SiteData MCP in Claude Desktop, Cursor, or Windsurf?

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. SiteData MCP has no confirmed install command yet — follow its own setup instructions.

Are Magic MCP and SiteData MCP free to use, or do they require API keys?

Magic MCP is listed as a paid service. Auth: api key required. SiteData MCP has no declared pricing — check the project's own site. Auth: oauth 2.0. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Can I run both Magic MCP and SiteData MCP at the same time in my AI client?

Yes. MCP clients support multiple servers: add 21st-dev-magic-mcp and sitedata-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Magic MCP has a quality signal of 48/100 (Fair) with 16 views, 1 installs and 5,997 GitHub stars. SiteData MCP has 33/100 (Emerging) with 0 views, 0 installs and 0 GitHub stars.

Magic MCP vs SiteData MCP — MCP Server Comparison

Magic MCP vs SiteData MCP — MCP Server Comparison | AllMCPs

Feature & specification comparison

Rows where the two servers differ are marked.

Spec	Magic MCP	S SiteData MCP
Category	Developer Tools	Developer Tools
Quality signal	48/100 · Fair	33/100 · Emerging
Install command	Confirmed	Not confirmed yet
Transport	Local subprocess (stdio)	—
Auth	API key required	OAuth 2.0
Pricing	Paid service	Not declared
Required env vars	`TWENTY_FIRST_API_KEYAPI_KEY_21ST`	None listed
Verified owner	Community listing	Community listing
GitHub stars	5,997	0
Directory activity	16 views 1 installs 0 upvotes	0 views 0 installs 0 upvotes
Tools	Not listed	Not listed
Full listing	View Magic MCP	View SiteData MCP

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.

Magic MCP

mcpServers (Claude Desktop / Cursor)

{
  "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"
      }
    }
  }
}

SiteData MCP

No confirmed install command for SiteData MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.

Magic MCP vs SiteData MCP

Which MCP server should you choose?

Choose Magic MCP when

S
Choose SiteData MCP when

Feature & specification comparison

Tools & capabilities

Magic MCP tools

SiteData MCP tools

Ready-to-paste client configs

Magic MCP

SiteData MCP

Frequently asked questions

Choose Magic MCP when

SChoose SiteData MCP when

Magic MCP tools

SiteData MCP tools

Magic MCP

SiteData MCP

Frequently asked questions

What is the main functional difference between Magic MCP and SiteData MCP?

How do I install Magic MCP or SiteData MCP in Claude Desktop, Cursor, or Windsurf?

Are Magic MCP and SiteData MCP free to use, or do they require API keys?

Can I run both Magic MCP and SiteData MCP at the same time in my AI client?

Which MCP server has higher directory engagement and quality ratings?

Popular comparisons with Magic MCP

Popular comparisons with SiteData MCP

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Choose SiteData MCP when