diff --git a/dev/HANDOFF.md b/dev/HANDOFF.md
index 8c12fa4e..73fe11bb 100644
--- a/dev/HANDOFF.md
+++ b/dev/HANDOFF.md
@@ -8802,3 +8802,42 @@ Roadmap state:
 - Current version section: `0.1.R Knowledge And Skill Foundation`
 - Items remaining in `0.1.R`: `1`
 - Immediate next roadmap item: `Add multiplayer rules for teaching, observation, shared work, and group skill benefits`.
+
+## Agrarian 0.1.R Multiplayer Learning Rules - 2026-05-19
+
+Current repo:
+
+- `/home/nathan/AgrarianGameBuild`
+- Latest pushed game commit: `64d0603 Define multiplayer learning rules`
+
+Completed roadmap item:
+
+- `Add multiplayer rules for teaching, observation, shared work, and group skill benefits`
+  - Added multiplayer learning rules to
+    `Docs/KnowledgeAndSkillFoundation.md`.
+  - Covered server-validated teaching, bounded learner credit, observation
+    limits, role-specific shared-work experience, capped group benefits, no
+    global skill aura, and active contribution requirements.
+  - Documented network authority checks for distance, visibility,
+    participation, cooldowns, tools, environmental context, and outcome before
+    learning credit is granted.
+
+Verification:
+
+- `python3 Scripts/verify_multiplayer_learning_rules.py` passed.
+- `python3 -m py_compile Scripts/verify_multiplayer_learning_rules.py` passed.
+- `git diff --check` passed.
+
+Deployment classification:
+
+- `Design/documentation and verifier only`.
+
+Automation:
+
+- Email summary sent to `nathan@pacificao.com`.
+
+Roadmap state:
+
+- Current version section: `0.1.R Knowledge And Skill Foundation`
+- Items remaining in `0.1.R`: `0`
+- Immediate next roadmap item: `0.2.A Land And Claiming`.