diff --git a/lexicons/org/tangled/repo/review/patch.json b/lexicons/org/tangled/repo/review/patch.json
new file mode 100644
index 000000000..c8b9f1b4a
--- /dev/null
+++ b/lexicons/org/tangled/repo/review/patch.json
@@ -0,0 +1,30 @@
+{
+  "lexicon": 1,
+  "id": "org.tangled.repo.review.patch",
+  "defs": {
+    "main": {
+      "type": "record",
+      "key": "any",
+      "description": "Immutable patch attached to the ticket. Record-key must be CID of this record.",
+      "record": {
+        "type": "object",
+        "required": [
+          "ticket",
+          "base",
+          "head",
+          "createdAt"
+        ],
+        "properties": {
+          "ticket": {
+            "type": "string",
+            "format": "record-key",
+            "description": "ticket-id"
+          },
+          "base": { "type": "ref", "ref": "org.tangled.git.object" },
+          "head": { "type": "ref", "ref": "org.tangled.git.object" },
+          "createdAt": { "type": "string", "format": "datetime" }
+        }
+      }
+    }
+  }
+}
diff --git a/lexicons/org/tangled/repo/review/unspecced/defs.json b/lexicons/org/tangled/repo/review/unspecced/defs.json
new file mode 100644
index 000000000..1e8bad889
--- /dev/null
+++ b/lexicons/org/tangled/repo/review/unspecced/defs.json
@@ -0,0 +1,15 @@
+{
+  "lexicon": 1,
+  "id": "org.tangled.repo.review.unspecced.defs",
+  "defs": {
+    "reviewState": {
+      "type": "string",
+      "knownValues": [
+        "commented",
+        "approved",
+        "changes-required",
+        "dismissed"
+      ]
+    }
+  }
+}
diff --git a/lexicons/org/tangled/repo/review/unspecced/round.json b/lexicons/org/tangled/repo/review/unspecced/round.json
new file mode 100644
index 000000000..26b0d0caf
--- /dev/null
+++ b/lexicons/org/tangled/repo/review/unspecced/round.json
@@ -0,0 +1,43 @@
+{
+  "lexicon": 1,
+  "id": "org.tangled.repo.review.unspecced.round",
+  "defs": {
+    "main": {
+      "type": "record",
+      "key": "tid",
+      "description": "Review round created by a reviewer.",
+      "record": {
+        "type": "object",
+        "required": [
+          "subject",
+          "commit",
+          "state",
+          "createdAt"
+        ],
+        "properties": {
+          "subject": {
+            "type": "string",
+            "format": "record-key",
+            "description": "ticket-id",
+          },
+          "commit": {
+            "type": "ref",
+            "ref": "org.tangled.git.object",
+            "description": "ID of commit that is getting reviewed."
+          },
+          "state": {
+            "type": "ref",
+            "ref": "org.tangled.review.unspecced.defs",
+            "description": "The reviewed state of that commit. This is one and only meaningful content of this record."
+          },
+          "labels": {
+            "type": "ref",
+            "description": "Self-label values for this record. Most common use-case is 'bot'.",
+            "ref": "com.atproto.label.defs#selfLabels"
+          },
+          "createdAt": { "type": "string", "format": "datetime" }
+        }
+      }
+    }
+  }
+}
diff --git a/lexicons/org/tangled/repo/track/defs.json b/lexicons/org/tangled/repo/track/defs.json
new file mode 100644
index 000000000..6a8c8936e
--- /dev/null
+++ b/lexicons/org/tangled/repo/track/defs.json
@@ -0,0 +1,14 @@
+{
+  "lexicon": 1,
+  "id": "org.tangled.repo.track.defs",
+  "defs": {
+    "ticketState": {
+      "type": "string",
+      "enum": [
+        "open",
+        "closed",
+        "merged"
+      ]
+    }
+  }
+}
diff --git a/lexicons/org/tangled/repo/track/ticket.json b/lexicons/org/tangled/repo/track/ticket.json
new file mode 100644
index 000000000..949e4187e
--- /dev/null
+++ b/lexicons/org/tangled/repo/track/ticket.json
@@ -0,0 +1,54 @@
+{
+  "lexicon": 1,
+  "id": "org.tangled.repo.track.ticket",
+  "defs": {
+    "main": {
+      "type": "record",
+      "key": "any",
+      "record": {
+        "type": "object",
+        "required": [
+          "title",
+          "state",
+          "createdAt"
+        ],
+        "properties": {
+          "title": {
+            "type": "union",
+            "refs": [
+              "org.tangled.markup.markdown#inline"
+            ]
+          },
+          "body": {
+            "type": "union",
+            "ref": [
+              "org.tangled.markup.markdown"
+            ]
+          },
+          "state": {
+            "type": "ref",
+            "ref": "org.tangled.repo.track.defs#ticketState"
+          },
+          "labels": {
+            "type": "ref",
+            "description": "Self-label values for this record. Most common use-case is 'bot'.",
+            "ref": "com.atproto.label.defs#selfLabels"
+          },
+          "tangledLabels": {
+            "type": "array",
+            "items": {
+              "type": "union",
+              "refs": ["org.tangled.label.defs#labelToken"]
+            }
+          },
+          "createdAt": { "type": "string", "format": "datetime" },
+          "targetBranch": {
+            "type": "string",
+            "description": "Target branch name. Must not include the `refs/heads/` prefix.",
+            "maxLength": 244
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/lexicons/org/tangled/repo/track/unspecced/milestone.json b/lexicons/org/tangled/repo/track/unspecced/milestone.json
new file mode 100644
index 000000000..6de814e73
--- /dev/null
+++ b/lexicons/org/tangled/repo/track/unspecced/milestone.json
@@ -0,0 +1,15 @@
+{
+  "lexicon": 1,
+  "id": "org.tangled.repo.track.unspecced.milestone",
+  "defs": {
+    "main": {
+      "type": "record",
+      "key": "tid",
+      "description": "TBD",
+      "record": {
+        "type": "object",
+        "properties": {}
+      }
+    }
+  }
+}