Magic MCP vs MCP Identity

A side-by-side look at the Magic MCP and MCP Identity MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Magic MCP logoMagic MCPArchitecture & Design · Local subprocess (stdio)Create crafted UI components inspired by the best 21st.dev design engineers.53GoodAuth: api key requiredMCP Identity logoMCP IdentityCryptography · Local subprocess (stdio)DoI score lookup, vouch event builder, and offline schnorr verify for AI agents.37FairAuth: not declared

Verdict: choose Magic MCP for architecture & design work as a local process; choose MCP Identity for cryptography as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Magic MCP logoChoose Magic MCP when

  • You need dedicated capabilities in the Architecture & Design 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.
Explore Magic MCP

MCP Identity logoChoose MCP Identity when

  • You need dedicated capabilities in the Cryptography domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: LNBITS_INVOICE_KEY.
Explore MCP Identity

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMagic MCP logoMagic MCPMCP Identity logoMCP Identity
CategoryArchitecture & DesignCryptography
Quality signal53/100 · Good37/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthAPI key requiredNot declared
PricingPaid serviceNot declared
Required env varsTWENTY_FIRST_API_KEYAPI_KEY_21STLNBITS_INVOICE_KEY
Verified ownerCommunity listingCommunity listing
GitHub stars6,2360
Directory activity 16 views 1 installs 0 upvotes 2 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

Magic MCP tools

No tool names declared yet. Check the project README from the listing page.

MCP Identity 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.

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"
      }
    }
  }
}

MCP Identity

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "mcp-identity": {
      "command": "npx",
      "args": [
        "-y",
        "@powforge/mcp-identity"
      ],
      "env": {
        "LNBITS_INVOICE_KEY": "YOUR_LNBITS_INVOICE_KEY_HERE"
      }
    }
  }
}

Frequently asked questions

Magic MCP is categorized under Architecture & Design and uses a local stdio subprocess. MCP Identity belongs to Cryptography and uses a local stdio subprocess. Pick Magic MCP for architecture & design work and MCP Identity for cryptography.

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.

Magic MCP is listed as a paid service. Auth: api key required. MCP Identity has no declared pricing — check the project's own site. 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 21st-dev-magic-mcp and mcp-identity as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Magic MCP has a quality signal of 53/100 (Good) with 16 views, 1 installs and 6,236 GitHub stars. MCP Identity has 37/100 (Fair) with 2 views, 0 installs and 0 GitHub stars.