proto-dump is a tool for recovering Protobuf descriptors (.proto files) from compiled programs. It can be thought of as class-dump for Protobuf.
proto-dump 0.1
Usage: proto-dump [-hv] [-o <output>] <input>
-h, --help Show usage information and exit
-v, --version Show version information
-o, --output=<output> Write the .proto files to <output>
<input> Extract Protobuf descriptors from <input>