gRPC connector type

[keysersoft]

REST, SOAP/WSDL, GraphQL, SQL/NoSQL and MCP-to-MCP are supported. gRPC is the obvious gap, and internal services are increasingly gRPC-only.

Scope

• New connector type alongside the existing five.
• Import from a .proto file or from server reflection, mapping each method to a tool the same way WSDL operations are mapped.
• Auth: TLS client certificates and per-call metadata headers.
• Streaming methods are out of scope for a first version — unary only, and say so in the UI.

Where to look

• packages/backend/src/connectors/engines/ — how the SOAP engine parses a WSDL into tools is the closest existing model.