What is the main functional difference between Ziptax Sales Tax API and Magic MCP?

Ziptax Sales Tax API 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 Ziptax Sales Tax API for developer tools work and Magic MCP for developer tools.

How do I install Ziptax Sales Tax API 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. Ziptax Sales Tax API has no confirmed install command yet — follow its own setup instructions.

Are Ziptax Sales Tax API and Magic MCP free to use, or do they require API keys?

Ziptax Sales Tax API is bring-your-own-key: usage is billed by the API provider you supply a key for. 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.

Can I run both Ziptax Sales Tax API and Magic MCP at the same time in my AI client?

Yes. MCP clients support multiple servers: add ziptax-sales-tax-api-2 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, Ziptax Sales Tax API has a quality signal of 51/100 (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.

Ziptax Sales Tax API vs Magic MCP

Ziptax Sales Tax API vs Magic MCP | AllMCPs

Feature & specification comparison

Rows where the two servers differ are marked.

Spec	Z Ziptax Sales Tax API	Magic MCP
Category	Developer Tools	Developer Tools
Quality signal	51/100 · Good	53/100 · Good
Install command	Not confirmed yet	Confirmed
Transport	—	Local subprocess (stdio)
Auth	API key required	API key required
Pricing	BYOK (pay the provider)	Paid service
Required env vars	`ZIPTAX_API_KEY`	`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	2	Not listed
Full listing	View Ziptax Sales Tax API	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.