diff --git a/cc-ci-plan/agents.toml b/cc-ci-plan/agents.toml
index 1d861d7..6255092 100644
--- a/cc-ci-plan/agents.toml
+++ b/cc-ci-plan/agents.toml
@@ -67,6 +67,7 @@ context before resuming supervision."""
 
 [[agent]]
 name  = "builder"              # tmux session: cc-ci-builder
+enabled     = false                # operator 2026-07-10: do NOT auto-start on boot (only cc-ci-orchestrator does); start manually when running a build
 kind  = "loop"
 role  = "builder"              # phase kickoff = phase preamble + prompts/builder.md
 dir   = "/srv/cc-ci/cc-ci"
@@ -74,6 +75,7 @@ watch = "heal+stall"
 
 [[agent]]
 name    = "adversary"
+enabled     = false                # operator 2026-07-10: do NOT auto-start on boot (only cc-ci-orchestrator does); start manually when running a build
 session = "cc-ci-adv"          # established convention is abbreviated (logs, remote-control)
 kind    = "loop"
 role    = "adversary"