diff --git a/SESSION_LOG.md b/SESSION_LOG.md
index 933ac3e..22e6ad8 100644
--- a/SESSION_LOG.md
+++ b/SESSION_LOG.md
@@ -22,6 +22,7 @@ Work completed:
 - Stabilized MCP routing and validated the Knowledge tool is working reliably.
 - Tagged `jester/zlh-agent` with annotated tag `v0.1.0-dev`.
 - Added `UPSTREAMS.md` to register canonical + execution repos and the Go agent repo.
+- Registered the API repo `jester/zlh-api` in `UPSTREAMS.md`.
 
 Notes:
 - MCP write operations are now functional from this environment.