diff --git a/libcflib/harvest_pkgs.xsh b/libcflib/harvest_pkgs.xsh
index e591768..63a5b63 100644
--- a/libcflib/harvest_pkgs.xsh
+++ b/libcflib/harvest_pkgs.xsh
@@ -37,8 +37,11 @@ def create_graphs():
 
             for dep in channel_graphs[channel].nodes[pkg]['req']:
                 if (dep, pkg) not in channel_graphs[channel].edges:
-                    channel_graphs[channel].add_edge(dep, pkg, arch=set())
+                    channel_graphs[channel].add_edge(dep, pkg,
+                                                     arch=set(),
+                                                     version=set())
                 channel_graphs[channel].edges[(dep, pkg)]['arch'].add(arch)
+                channel_graphs[channel].edges[(dep, pkg)]['version'].add(art['version'])
     return channel_graphs
 
 
diff --git a/libcflib/model.py b/libcflib/model.py
index 5640c19..53051d3 100644
--- a/libcflib/model.py
+++ b/libcflib/model.py
@@ -5,6 +5,8 @@
 import os
 from typing import Iterator
 
+import networkx as nx
+
 
 class Model(object):
     def __init__(self):
@@ -131,7 +133,6 @@ def __repr__(self):
     def _load(self):
         env = builtins.__xonsh_env__
         filename = os.path.join(env.get("LIBCFGRAPH_DIR"), self._channel + ".json")
-        # TODO: use networkx to get the data so we have edges
         with open(filename, "r") as f:
             self._d.update(json.load(f).get(self._name, {}))
         super()._load()
@@ -150,3 +151,16 @@ def _load(self):
         with open(filename, "r") as f:
             self._d.update(json.load(f).get(self._name, {}))
         super()._load()
+
+
+class Graph(Model):
+    def __init__(self, *, channel="conda-forge"):
+        self._channel = channel
+        super().__init__()
+
+    def _load(self):
+        env = builtins.__xonsh_env__
+        filename = os.path.join(env.get("LIBCFGRAPH_DIR"), "conda-forge.json")
+        with open(filename, "r") as f:
+            self._d["graph"] = nx.node_link_graph(json.load(f))
+        super()._load()
diff --git a/libcflib/schemas.py b/libcflib/schemas.py
index 8fae139..9b112c1 100644
--- a/libcflib/schemas.py
+++ b/libcflib/schemas.py
@@ -13,8 +13,7 @@
                 "type": "bool",
             },
             "PRed": {
-                "_description": "For each migrator which"
-                "track which PRs have"
+                "_description": "For each migrator which track which PRs have "
                 "been issued",
                 "type": "list",
                 "schema": {"type": "string"},
@@ -26,10 +25,9 @@
             },
             "commit": {"type": "string", "_description": "The latest commit"},
             "new_version": {
-                "anyof_type": ["string", "bool"],
+                "anyof_type": ["string"],
                 "_description": "The new version",
             },
-            "meta_yaml": {"type": "dict", "_description": "The meta_yaml"},
         },
     },
     "artifact": {
diff --git a/tests/conftest.py b/tests/conftest.py
index 3645ee1..f694720 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -4,5 +4,5 @@
 @pytest.fixture
 def tmpgraphdir(tmpdir_factory):
     d = tmpdir_factory.mktemp("graph", numbered=False)
-    d.mkdir('artifacts').mkdir('mypkg').mkdir("/somechannel").mkdir("noarch")
+    d.mkdir("artifacts").mkdir("mypkg").mkdir("/somechannel").mkdir("noarch")
     return d
diff --git a/tests/test_model.py b/tests/test_model.py
index f0cbb09..2208102 100644
--- a/tests/test_model.py
+++ b/tests/test_model.py
@@ -7,13 +7,13 @@
 
 def test_artifact(tmpgraphdir):
     d = {"a": "hi", "world": "python"}
-    art_dir = os.path.join(tmpgraphdir, 'artifacts', 'mypkg', 'somechannel', 'noarch')
+    art_dir = os.path.join(tmpgraphdir, "artifacts", "mypkg", "somechannel", "noarch")
     with open(os.path.join(art_dir, "mypkg.json"), "w") as f:
         json.dump(d, f)
 
     env = builtins.__xonsh_env__
     env["LIBCFGRAPH_DIR"] = tmpgraphdir
-    pkg, channel, arch = art_dir.split('/')[-3:]
+    pkg, channel, arch = art_dir.split("/")[-3:]
     n = Artifact(pkg=pkg, channel=channel, arch=arch, name="mypkg")
     assert n.a == "hi"
     assert n["a"] == "hi"
@@ -22,5 +22,6 @@ def test_artifact(tmpgraphdir):
     # make sure we can hash artifacts
     hash(n)
 
+
 # TODO: test package
 # TODO: test feedstock