Verdict Summary: Choose Magic MCP if you need specialized Developer Tools tools running via a local process. Choose GroundTruth — subsurface scan QA & trade estimating if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Magic MCP when:
You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Paid Service).
You have access to required keys: TWENTY_FIRST_API_KEY, API_KEY_21ST.
Magic MCP is categorized under Developer Tools and uses a local stdio subprocess. In contrast, GroundTruth — subsurface scan QA & trade estimating belongs to Developer Tools using remote streaming HTTP/SSE transport. Select Magic MCP when you need capabilities focused on developer tools and GroundTruth — subsurface scan QA & trade estimating when you require tools for developer tools.
