MCP For Claude Marketplace
Protobuf to JSON Schema Transpiler

Protobuf to JSON Schema Transpiler MCP Connector for Claude

A+

Convert Protocol Buffer (.proto) definitions into valid JSON Schema objects deterministically.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

The Protobuf to JSON Schema Transpiler bridges the gap between gRPC/Protobuf schemas and AI agents by providing a way to validate data without needing a full Protobuf compiler. Using transpile_proto_to_json_schema, you can transform raw .proto strings into structured JSON Schemas, mapping types like int3 32 to integer and handling repeated fields as arrays. It also allows for quick inspection of schemas using summarize_message_definitions and detecting complexity with scan_for_complex_elements.

protobufjson-schemagrpctranspilerschema-conversion

3 tools expose this connector's capabilities to your AI agent.

summarize_message_definitions

Provides a high-level summary of all messages found within a schema

transpile_proto_to_json_schema

proto definitions and maps them to standard JSON Schema types. Converts a Protobuf schema string into a JSON Schema object

scan_for_complex_elements

Identifies the presence of advanced Protobuf features

See how to talk to your AI agent using Protobuf to JSON Schema Transpiler.

Convert this proto definition to JSON Schema: 'message User { string name = 1; int32 id = 2; }'

{"type": "object", "properties": {"name": {"type": "string"}, "id": {"type": "integer"}}, "required": ["name", "id"]}

How many messages are in this proto: 'message A { string s = 1; } message B { int32 i = 1; }'

There are 2 messages identified in the provided schema.

Does this proto have nested messages: 'message Outer { message Inner { string x = 1; } }'

Yes, the scan detected 1 nested message structure.

It takes a raw Protobuf string and converts it into a functional JSON Schema, identifying messages, fields, and types.

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