diff --git a/docs/atproto-digest/TODO.md b/docs/atproto-digest/TODO.md
--- a/docs/atproto-digest/TODO.md
+++ b/docs/atproto-digest/TODO.md
@@ -36,10 +36,10 @@
 - [x] atproto-lexicon-registry (registries, authoring, discovery).
 - [x] atproto-identity-deep (did:web via goat, PLC replica + audit, passkey rotation).
 
-## Phase 5 — Skill pair 4
+## Phase 5 — Skill pair 4 (DONE 2026-08-17)
 
-- [ ] atproto-feeds-algorithms (feed generators, Atlas engagement graph).
-- [ ] atproto-moderation-tools (ozone, labelers).
+- [x] atproto-feeds-algorithms (feed generators, Atlas engagement graph).
+- [x] atproto-moderation-tools (ozone, labelers).
 
 ## Phase 6 — Skill pair 5