What is the main functional difference between Chat Tool Ui Preview and Magic MCP?

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

How do I install Chat Tool Ui Preview or Magic 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. Chat Tool Ui Preview has no confirmed install command yet — follow its own setup instructions.

Are Chat Tool Ui Preview and Magic MCP free to use, or do they require API keys?

Chat Tool Ui Preview is listed as free. Auth: no auth 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.

Can I run both Chat Tool Ui Preview and Magic MCP at the same time in my AI client?

Yes. MCP clients support multiple servers: add chat-tool-ui-preview and 21st-dev-magic-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, Chat Tool Ui Preview has a quality signal of 36/100 (Fair) 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.

Chat Tool Ui Preview vs Magic MCP

Chat Tool Ui Preview vs Magic MCP | AllMCPs

Feature & specification comparison

Rows where the two servers differ are marked.

Spec	C Chat Tool Ui Preview	Magic MCP
Category	Developer Tools	Developer Tools
Quality signal	36/100 · Fair	53/100 · Good
Install command	Not confirmed yet	Confirmed
Transport	—	Local subprocess (stdio)
Auth	No auth required	API key required
Pricing	Free	Paid service
Required env vars	`CHAT_PREVIEW_INSTALL_DIRCHAT_PREVIEW_VERSION`	`TWENTY_FIRST_API_KEYAPI_KEY_21ST`
Verified owner	Community listing	Community listing
GitHub stars	0	5,997
Directory activity	0 views 0 installs 0 upvotes	16 views 1 installs 0 upvotes
Tools	Not listed	Not listed
Full listing	View Chat Tool Ui Preview	View Magic 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.