Try Hex.pm

Author: kuenishi

rebar.config

@@ -14,7 +14,8 @@
                   ]}.
 
 {plugins, [
-    {rebar3_eqc, ".*", {git, "https://github.com/kellymclaughlin/rebar3-eqc-plugin.git", {tag, "0.0.8"}}}
+    {rebar3_eqc, ".*", {git, "https://github.com/kellymclaughlin/rebar3-eqc-plugin.git", {tag, "0.0.8"}}},
+    rebar3_hex
 ]}.
 
 %% {port_sources, ["c_src/*.c"]}.

src/msgpack.app.src

@@ -1,9 +1,13 @@
 {application, msgpack,
  [{description, "MessagePack serializer/deserializer"},
-  {vsn, git},
+  {vsn, "0.4.0"},
   {modules, 
    [msgpack]
   },
+  {maintainers, ["Kota Uenishi", "Yuki Ito"]},
+  {licenses, ["Apache"]},
+  {links, [{"Github", "https://github.com/msgpack/msgpack-erlang"},
+           {"Website", "http://msgpack.org"}]},
   {registered, []},
   {env, []},
   {applications, [kernel, stdlib]}]}.