diff --git a/Makefile b/Makefile
index a6f9a33..df38cad 100644
--- a/Makefile
+++ b/Makefile
@@ -37,5 +37,9 @@ fmt: ## Run syntax re-formatting (modify in place)
 check: ## Compile everything, checking syntax (does not output binaries)
 	go build ./...
 
+.PHONY: lexgen
+lexgen: ## Generate lexicon type packages from lexicon schemas
+	glot codegen --output-dir api lexicons/social/scrumble
+
 .env:
 	if [ ! -f ".env" ]; then cp example.dev.env .env; fi
diff --git a/api/socialscrumble/betaaccountjoin.go b/api/socialscrumble/betaaccountjoin.go
new file mode 100644
index 0000000..696f57c
--- /dev/null
+++ b/api/socialscrumble/betaaccountjoin.go
@@ -0,0 +1,12 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.account.join
+
+package socialscrumble
+
+// Indicates that an account (user) wants to to be part of a scene. The key must be the DID of the scene.
+type BetaAccountJoin struct {
+	LexiconTypeID string  `json:"$type" cborgen:"$type,const=social.scrumble.beta.account.join"`
+	CreatedAt     *string `json:"createdAt,omitempty" cborgen:"createdAt,omitempty"`
+	Scene         *string `json:"scene,omitempty" cborgen:"scene,omitempty"`
+}
diff --git a/api/socialscrumble/betaaccountprofile.go b/api/socialscrumble/betaaccountprofile.go
new file mode 100644
index 0000000..96679ec
--- /dev/null
+++ b/api/socialscrumble/betaaccountprofile.go
@@ -0,0 +1,16 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.account.profile
+
+package socialscrumble
+
+import (
+	lexutil "github.com/bluesky-social/indigo/lex/util"
+)
+
+// Scrumble user profile. Presence of this record indicates that the account is a scrumble user. Scene community accounts should also include this record.
+type BetaAccountProfile struct {
+	LexiconTypeID string           `json:"$type" cborgen:"$type,const=social.scrumble.beta.account.profile"`
+	Avatar        *lexutil.LexBlob `json:"avatar,omitempty" cborgen:"avatar,omitempty"`
+	CreatedAt     *string          `json:"createdAt,omitempty" cborgen:"createdAt,omitempty"`
+}
diff --git a/api/socialscrumble/betacollectioncomment.go b/api/socialscrumble/betacollectioncomment.go
new file mode 100644
index 0000000..dd5a469
--- /dev/null
+++ b/api/socialscrumble/betacollectioncomment.go
@@ -0,0 +1,20 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.collection.comment
+
+package socialscrumble
+
+import (
+	comatproto "github.com/bluesky-social/indigo/api/atproto"
+)
+
+// Threaded discussion comment on an item.
+type BetaCollectionComment struct {
+	LexiconTypeID string                    `json:"$type" cborgen:"$type,const=social.scrumble.beta.collection.comment"`
+	CreatedAt     string                    `json:"createdAt" cborgen:"createdAt"`
+	Item          comatproto.RepoStrongRef  `json:"item" cborgen:"item"`
+	Parent        *comatproto.RepoStrongRef `json:"parent,omitempty" cborgen:"parent,omitempty"`
+	Scene         string                    `json:"scene" cborgen:"scene"`
+	// text: TODO: length limit, and whether this is markdown (probably yes, but what subset)
+	Text string `json:"text" cborgen:"text"`
+}
diff --git a/api/socialscrumble/betacollectionfeedback.go b/api/socialscrumble/betacollectionfeedback.go
new file mode 100644
index 0000000..823c1ff
--- /dev/null
+++ b/api/socialscrumble/betacollectionfeedback.go
@@ -0,0 +1,18 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.collection.feedback
+
+package socialscrumble
+
+import (
+	comatproto "github.com/bluesky-social/indigo/api/atproto"
+)
+
+// Up/Down feedback on an item of content in a scene, from an account. Aggregating services must check for duplicate feedback.
+type BetaCollectionFeedback struct {
+	LexiconTypeID string                   `json:"$type" cborgen:"$type,const=social.scrumble.beta.collection.feedback"`
+	CreatedAt     string                   `json:"createdAt" cborgen:"createdAt"`
+	Feedback      string                   `json:"feedback" cborgen:"feedback"`
+	Scene         string                   `json:"scene" cborgen:"scene"`
+	Subject       comatproto.RepoStrongRef `json:"subject" cborgen:"subject"`
+}
diff --git a/api/socialscrumble/betacollectionitem.go b/api/socialscrumble/betacollectionitem.go
new file mode 100644
index 0000000..8ee69e2
--- /dev/null
+++ b/api/socialscrumble/betacollectionitem.go
@@ -0,0 +1,120 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.collection.item
+
+package socialscrumble
+
+import (
+	"encoding/json"
+	"fmt"
+
+	lexutil "github.com/bluesky-social/indigo/lex/util"
+)
+
+// Individual item submitted to a scene.
+type BetaCollectionItem struct {
+	LexiconTypeID string                  `json:"$type" cborgen:"$type,const=social.scrumble.beta.collection.item"`
+	CreatedAt     string                  `json:"createdAt" cborgen:"createdAt"`
+	Item          BetaCollectionItem_Item `json:"item" cborgen:"item"`
+	Scene         string                  `json:"scene" cborgen:"scene"`
+	Tags          []string                `json:"tags,omitempty" cborgen:"tags,omitempty"`
+}
+
+type BetaCollectionItem_Item struct {
+	BetaCollectionItem_AtpItem   *BetaCollectionItem_AtpItem
+	BetaCollectionItem_ImageItem *BetaCollectionItem_ImageItem
+	BetaCollectionItem_TextItem  *BetaCollectionItem_TextItem
+	BetaCollectionItem_WebItem   *BetaCollectionItem_WebItem
+}
+
+func (t *BetaCollectionItem_Item) MarshalJSON() ([]byte, error) {
+	if t.BetaCollectionItem_AtpItem != nil {
+		t.BetaCollectionItem_AtpItem.LexiconTypeID = "social.scrumble.beta.collection.item#atpItem"
+		return json.Marshal(t.BetaCollectionItem_AtpItem)
+	}
+	if t.BetaCollectionItem_ImageItem != nil {
+		t.BetaCollectionItem_ImageItem.LexiconTypeID = "social.scrumble.beta.collection.item#imageItem"
+		return json.Marshal(t.BetaCollectionItem_ImageItem)
+	}
+	if t.BetaCollectionItem_TextItem != nil {
+		t.BetaCollectionItem_TextItem.LexiconTypeID = "social.scrumble.beta.collection.item#textItem"
+		return json.Marshal(t.BetaCollectionItem_TextItem)
+	}
+	if t.BetaCollectionItem_WebItem != nil {
+		t.BetaCollectionItem_WebItem.LexiconTypeID = "social.scrumble.beta.collection.item#webItem"
+		return json.Marshal(t.BetaCollectionItem_WebItem)
+	}
+	return nil, fmt.Errorf("can not marshal empty union as JSON")
+}
+
+func (t *BetaCollectionItem_Item) UnmarshalJSON(b []byte) error {
+	typ, err := lexutil.TypeExtract(b)
+	if err != nil {
+		return err
+	}
+
+	switch typ {
+	case "social.scrumble.beta.collection.item#atpItem":
+		t.BetaCollectionItem_AtpItem = new(BetaCollectionItem_AtpItem)
+		return json.Unmarshal(b, t.BetaCollectionItem_AtpItem)
+	case "social.scrumble.beta.collection.item#imageItem":
+		t.BetaCollectionItem_ImageItem = new(BetaCollectionItem_ImageItem)
+		return json.Unmarshal(b, t.BetaCollectionItem_ImageItem)
+	case "social.scrumble.beta.collection.item#textItem":
+		t.BetaCollectionItem_TextItem = new(BetaCollectionItem_TextItem)
+		return json.Unmarshal(b, t.BetaCollectionItem_TextItem)
+	case "social.scrumble.beta.collection.item#webItem":
+		t.BetaCollectionItem_WebItem = new(BetaCollectionItem_WebItem)
+		return json.Unmarshal(b, t.BetaCollectionItem_WebItem)
+	default:
+		return nil
+	}
+}
+
+// BetaCollectionItem_AspectRatio is a "aspectRatio" in the social.scrumble.beta.collection.item schema.
+//
+// width:height represents an aspect ratio. It may be approximate, and may not correspond to absolute dimensions in any given unit.
+type BetaCollectionItem_AspectRatio struct {
+	LexiconTypeID string `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.collection.item#aspectRatio,omitempty"`
+	Height        int64  `json:"height" cborgen:"height"`
+	Width         int64  `json:"width" cborgen:"width"`
+}
+
+// BetaCollectionItem_AtpItem is a "atpItem" in the social.scrumble.beta.collection.item schema.
+type BetaCollectionItem_AtpItem struct {
+	LexiconTypeID string  `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.collection.item#atpItem,omitempty"`
+	Cid           *string `json:"cid,omitempty" cborgen:"cid,omitempty"`
+	Uri           string  `json:"uri" cborgen:"uri"`
+}
+
+// BetaCollectionItem_Image is a "image" in the social.scrumble.beta.collection.item schema.
+type BetaCollectionItem_Image struct {
+	LexiconTypeID string                          `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.collection.item#image,omitempty"`
+	Alt           *string                         `json:"alt,omitempty" cborgen:"alt,omitempty"`
+	AspectRatio   *BetaCollectionItem_AspectRatio `json:"aspectRatio,omitempty" cborgen:"aspectRatio,omitempty"`
+	Attribution   *string                         `json:"attribution,omitempty" cborgen:"attribution,omitempty"`
+	Image         lexutil.LexBlob                 `json:"image" cborgen:"image"`
+	License       *string                         `json:"license,omitempty" cborgen:"license,omitempty"`
+}
+
+// BetaCollectionItem_ImageItem is a "imageItem" in the social.scrumble.beta.collection.item schema.
+type BetaCollectionItem_ImageItem struct {
+	LexiconTypeID string                     `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.collection.item#imageItem,omitempty"`
+	Images        []BetaCollectionItem_Image `json:"images" cborgen:"images"`
+}
+
+// BetaCollectionItem_TextItem is a "textItem" in the social.scrumble.beta.collection.item schema.
+type BetaCollectionItem_TextItem struct {
+	LexiconTypeID string  `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.collection.item#textItem,omitempty"`
+	Text          string  `json:"text" cborgen:"text"`
+	Title         *string `json:"title,omitempty" cborgen:"title,omitempty"`
+}
+
+// BetaCollectionItem_WebItem is a "webItem" in the social.scrumble.beta.collection.item schema.
+type BetaCollectionItem_WebItem struct {
+	LexiconTypeID string           `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.collection.item#webItem,omitempty"`
+	Description   *string          `json:"description,omitempty" cborgen:"description,omitempty"`
+	Thumb         *lexutil.LexBlob `json:"thumb,omitempty" cborgen:"thumb,omitempty"`
+	Title         *string          `json:"title,omitempty" cborgen:"title,omitempty"`
+	Url           string           `json:"url" cborgen:"url"`
+}
diff --git a/api/socialscrumble/betacollectionreaction.go b/api/socialscrumble/betacollectionreaction.go
new file mode 100644
index 0000000..9ccbe38
--- /dev/null
+++ b/api/socialscrumble/betacollectionreaction.go
@@ -0,0 +1,18 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.collection.reaction
+
+package socialscrumble
+
+import (
+	comatproto "github.com/bluesky-social/indigo/api/atproto"
+)
+
+// Emoji reaction. Aggregators need to de-duplicate.
+type BetaCollectionReaction struct {
+	LexiconTypeID string                   `json:"$type" cborgen:"$type,const=social.scrumble.beta.collection.reaction"`
+	CreatedAt     string                   `json:"createdAt" cborgen:"createdAt"`
+	Emoji         string                   `json:"emoji" cborgen:"emoji"`
+	Scene         string                   `json:"scene" cborgen:"scene"`
+	Subject       comatproto.RepoStrongRef `json:"subject" cborgen:"subject"`
+}
diff --git a/api/socialscrumble/betascenedeclaration.go b/api/socialscrumble/betascenedeclaration.go
new file mode 100644
index 0000000..22dda80
--- /dev/null
+++ b/api/socialscrumble/betascenedeclaration.go
@@ -0,0 +1,55 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.scene.declaration
+
+package socialscrumble
+
+import (
+	appbsky "github.com/bluesky-social/indigo/api/bsky"
+	lexutil "github.com/bluesky-social/indigo/lex/util"
+)
+
+// Scene metadata and configuration. This record should live under the scene community account.
+type BetaSceneDeclaration struct {
+	LexiconTypeID     string                                `json:"$type" cborgen:"$type,const=social.scrumble.beta.scene.declaration"`
+	Avatar            *lexutil.LexBlob                      `json:"avatar,omitempty" cborgen:"avatar,omitempty"`
+	Config            BetaSceneDeclaration_SceneConfig      `json:"config" cborgen:"config"`
+	CreatedAt         string                                `json:"createdAt" cborgen:"createdAt"`
+	Description       *string                               `json:"description,omitempty" cborgen:"description,omitempty"`
+	DescriptionFacets []appbsky.RichtextFacet               `json:"descriptionFacets,omitempty" cborgen:"descriptionFacets,omitempty"`
+	DisplayName       *string                               `json:"displayName,omitempty" cborgen:"displayName,omitempty"`
+	Guidelines        []BetaSceneDeclaration_SceneGuideline `json:"guidelines" cborgen:"guidelines"`
+}
+
+// BetaSceneDeclaration_ConfigItems is a "configItems" in the social.scrumble.beta.scene.declaration schema.
+//
+// Configuration parameters for the scene (TODO)
+type BetaSceneDeclaration_ConfigItems struct {
+	LexiconTypeID string   `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.scene.declaration#configItems,omitempty"`
+	Types         []string `json:"types,omitempty" cborgen:"types,omitempty"`
+}
+
+// BetaSceneDeclaration_ConfigLabeler is a "configLabeler" in the social.scrumble.beta.scene.declaration schema.
+//
+// Configuration parameters for the scene (TODO)
+type BetaSceneDeclaration_ConfigLabeler struct {
+	LexiconTypeID string `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.scene.declaration#configLabeler,omitempty"`
+	Did           string `json:"did" cborgen:"did"`
+}
+
+// BetaSceneDeclaration_SceneConfig is a "sceneConfig" in the social.scrumble.beta.scene.declaration schema.
+//
+// Configuration parameters for the scene
+type BetaSceneDeclaration_SceneConfig struct {
+	LexiconTypeID string                               `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.scene.declaration#sceneConfig,omitempty"`
+	Items         *BetaSceneDeclaration_ConfigItems    `json:"items,omitempty" cborgen:"items,omitempty"`
+	Labelers      []BetaSceneDeclaration_ConfigLabeler `json:"labelers,omitempty" cborgen:"labelers,omitempty"`
+}
+
+// BetaSceneDeclaration_SceneGuideline is a "sceneGuideline" in the social.scrumble.beta.scene.declaration schema.
+//
+// An individual criteria or rule describing sumbissions and behaviors in the scene
+type BetaSceneDeclaration_SceneGuideline struct {
+	LexiconTypeID string `json:"$type,omitempty" cborgen:"$type,const=social.scrumble.beta.scene.declaration#sceneGuideline,omitempty"`
+	Text          string `json:"text" cborgen:"text"`
+}
diff --git a/api/socialscrumble/betascenemember.go b/api/socialscrumble/betascenemember.go
new file mode 100644
index 0000000..fb64ec2
--- /dev/null
+++ b/api/socialscrumble/betascenemember.go
@@ -0,0 +1,14 @@
+// Code generated by indigo lexgen tool. DO NOT EDIT MANUALLY.
+
+// Lexicon schema: social.scrumble.beta.scene.member
+
+package socialscrumble
+
+// Indicates that an account is a member of the scene. This records gets written to the scene community account. The key should be the account's DID.
+type BetaSceneMember struct {
+	LexiconTypeID string `json:"$type" cborgen:"$type,const=social.scrumble.beta.scene.member"`
+	CreatedAt     string `json:"createdAt" cborgen:"createdAt"`
+	Did           string `json:"did" cborgen:"did"`
+	// role: TODO: make these refs to a defs file?
+	Role string `json:"role" cborgen:"role"`
+}
diff --git a/lexicons/app/bsky/richtext/facet.json b/lexicons/app/bsky/richtext/facet.json
new file mode 100644
index 0000000..d93f35d
--- /dev/null
+++ b/lexicons/app/bsky/richtext/facet.json
@@ -0,0 +1,89 @@
+{
+  "defs": {
+    "byteSlice": {
+      "description": "Specifies the sub-string range a facet feature applies to. Start index is inclusive, end index is exclusive. Indices are zero-indexed, counting bytes of the UTF-8 encoded text. NOTE: some languages, like Javascript, use UTF-16 or Unicode codepoints for string slice indexing; in these languages, convert to byte arrays before working with facets.",
+      "properties": {
+        "byteEnd": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "byteStart": {
+          "minimum": 0,
+          "type": "integer"
+        }
+      },
+      "required": [
+        "byteStart",
+        "byteEnd"
+      ],
+      "type": "object"
+    },
+    "link": {
+      "description": "Facet feature for a URL. The text URL may have been simplified or truncated, but the facet reference should be a complete URL.",
+      "properties": {
+        "uri": {
+          "format": "uri",
+          "type": "string"
+        }
+      },
+      "required": [
+        "uri"
+      ],
+      "type": "object"
+    },
+    "main": {
+      "description": "Annotation of a sub-string within rich text.",
+      "properties": {
+        "features": {
+          "items": {
+            "refs": [
+              "#mention",
+              "#link",
+              "#tag"
+            ],
+            "type": "union"
+          },
+          "type": "array"
+        },
+        "index": {
+          "ref": "#byteSlice",
+          "type": "ref"
+        }
+      },
+      "required": [
+        "index",
+        "features"
+      ],
+      "type": "object"
+    },
+    "mention": {
+      "description": "Facet feature for mention of another account. The text is usually a handle, including a '@' prefix, but the facet reference is a DID.",
+      "properties": {
+        "did": {
+          "format": "did",
+          "type": "string"
+        }
+      },
+      "required": [
+        "did"
+      ],
+      "type": "object"
+    },
+    "tag": {
+      "description": "Facet feature for a hashtag. The text usually includes a '#' prefix, but the facet reference should not (except in the case of 'double hash tags').",
+      "properties": {
+        "tag": {
+          "maxGraphemes": 64,
+          "maxLength": 640,
+          "type": "string"
+        }
+      },
+      "required": [
+        "tag"
+      ],
+      "type": "object"
+    }
+  },
+  "id": "app.bsky.richtext.facet",
+  "lexicon": 1
+}
diff --git a/lexicons/com/atproto/repo/strongRef.json b/lexicons/com/atproto/repo/strongRef.json
new file mode 100644
index 0000000..0bd6766
--- /dev/null
+++ b/lexicons/com/atproto/repo/strongRef.json
@@ -0,0 +1,24 @@
+{
+  "defs": {
+    "main": {
+      "properties": {
+        "cid": {
+          "format": "cid",
+          "type": "string"
+        },
+        "uri": {
+          "format": "at-uri",
+          "type": "string"
+        }
+      },
+      "required": [
+        "uri",
+        "cid"
+      ],
+      "type": "object"
+    }
+  },
+  "description": "A URI with a content-hash fingerprint.",
+  "id": "com.atproto.repo.strongRef",
+  "lexicon": 1
+}
diff --git a/lexicons/social/scrumble/beta/collection/item.json b/lexicons/social/scrumble/beta/collection/item.json
index 78e7503..3fa6e97 100644
--- a/lexicons/social/scrumble/beta/collection/item.json
+++ b/lexicons/social/scrumble/beta/collection/item.json
@@ -121,6 +121,15 @@
           "ref": "#aspectRatio"
         }
       }
+    },
+    "aspectRatio": {
+      "type": "object",
+      "description": "width:height represents an aspect ratio. It may be approximate, and may not correspond to absolute dimensions in any given unit.",
+      "required": ["width", "height"],
+      "properties": {
+        "width": { "type": "integer", "minimum": 1 },
+        "height": { "type": "integer", "minimum": 1 }
+      }
     }
   }
 }