diff --git a/appleApp/FTWKit/Sources/FTWKit/Protocol/Contract.swift b/appleApp/FTWKit/Sources/FTWKit/Protocol/Contract.swift
index 5b82788f..384d6d14 100644
--- a/appleApp/FTWKit/Sources/FTWKit/Protocol/Contract.swift
+++ b/appleApp/FTWKit/Sources/FTWKit/Protocol/Contract.swift
@@ -83,7 +83,7 @@ public enum Contract {
         "ftw.members.write": "Invite and revoke",
         "ftw.logs.read": "Log excerpts the box redacts",
         "ftw.config.read": "Configuration the box redacts",
-        "ftw.diag.run": "Checks that change nothing",
+        "ftw.diag.run": "Full technical diagnostics and read API",
         "ftw.dispatch.hold": "Hold energy assets for a capped time",
         "ftw.goals.request": "Ask an owner to change a durable goal",
         "ftw.update.request": "Ask an owner to install a version",
diff --git a/protocol/registry.yaml b/protocol/registry.yaml
index ca5bdb6c..0ae5357a 100644
--- a/protocol/registry.yaml
+++ b/protocol/registry.yaml
@@ -141,7 +141,7 @@ scopes:
   - { name: ftw.members.write, desc: Invite and revoke }
   - { name: ftw.logs.read, desc: Log excerpts the box redacts }
   - { name: ftw.config.read, desc: Configuration the box redacts }
-  - { name: ftw.diag.run, desc: Checks that change nothing }
+  - { name: ftw.diag.run, desc: Full technical diagnostics and read API }
   - { name: ftw.dispatch.hold, desc: Hold energy assets for a capped time }
   - { name: ftw.goals.request, desc: Ask an owner to change a durable goal }
   # Reserved: no op asks for an update yet, and no role but owner carries it.
@@ -445,6 +445,7 @@ reads:
   - { msg: logs.get, scope: ftw.logs.read, desc: A log excerpt the box redacts }
   - { msg: config.get, scope: ftw.config.read, desc: A configuration section the box redacts }
   - { msg: diag.run, scope: ftw.diag.run, desc: A check that changes nothing }
+  - { msg: api.read, const: MsgAPIRead, scope: ftw.diag.run, desc: Read the full technical diagnostic API }
 
 # ---------------------------------------------------------------------------
 # Cars. A car belongs to its owner, not to the home, and visits chargers. The