Verdict Summary: Choose Metagraphed — Bittensor subnet operational registry if you need specialized Developer Tools tools running via a local process. Choose Mastercard Developers MCP if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Metagraphed — Bittensor subnet operational registry is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Mastercard Developers MCP belongs to Developer Tools using local stdio subprocess. Select Metagraphed — Bittensor subnet operational registry when you need capabilities focused on developer tools and Mastercard Developers MCP when you require tools for developer tools.