From 66bd62b69bc873ea4e1f51f8ef936f4de07e02a5 Mon Sep 17 00:00:00 2001
From: aran-yogesh <yogesh.mahendran@langchain.dev>
Date: Mon, 23 Feb 2026 13:13:54 -0800
Subject: [PATCH] feat: add AGENTS.md support and fix repo cloning

---
 apps/agent/agent/server.py          | 8 +++-----
 apps/agent/agent/utils/agents_md.py | 6 ++++++
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/apps/agent/agent/server.py b/apps/agent/agent/server.py
index 37007cc8..1dad6586 100644
--- a/apps/agent/agent/server.py
+++ b/apps/agent/agent/server.py
@@ -137,11 +137,10 @@ async def _clone_or_pull_repo_in_sandbox(  # noqa: PLR0915
                 logger.exception("Failed to restore clean remote URL")
                 raise
 
-    logger.info("Repo updated at %s", repo_dir)
-    return repo_dir
-
-
+        logger.info("Repo updated at %s", repo_dir)
+        return repo_dir
 
+    # If we reach here, repo doesn't exist or is invalid - clone it
     logger.info("Cloning repo %s/%s to %s", owner, repo, repo_dir)
     try:
         result = await loop.run_in_executor(
@@ -218,7 +217,6 @@ async def get_agent(config: RunnableConfig) -> Pregel:  # noqa: PLR0915
     encrypted_token = config["configurable"].get("github_token_encrypted")
     if encrypted_token:
         github_token = decrypt_token(encrypted_token)
-        logger.debug("Decrypted GitHub token")
 
     if thread_id is None or not graph_loaded_for_execution(config):
         logger.info("No thread_id or not for execution, returning agent without sandbox")
diff --git a/apps/agent/agent/utils/agents_md.py b/apps/agent/agent/utils/agents_md.py
index 3d7ef45b..715de9f9 100644
--- a/apps/agent/agent/utils/agents_md.py
+++ b/apps/agent/agent/utils/agents_md.py
@@ -3,10 +3,13 @@
 from __future__ import annotations
 
 import asyncio
+import logging
 import shlex
 
 from deepagents.backends.protocol import SandboxBackendProtocol
 
+logger = logging.getLogger(__name__)
+
 
 async def read_agents_md_in_sandbox(
     sandbox_backend: SandboxBackendProtocol,
@@ -24,7 +27,10 @@ async def read_agents_md_in_sandbox(
         f"test -f {safe_agents_path} && cat {safe_agents_path}",
     )
     if result.exit_code != 0:
+        logger.debug("AGENTS.md not found at %s", safe_agents_path)
         return None
     content = result.output or ""
     content = content.strip()
+    if content:
+        logger.info("Loaded AGENTS.md from %s", safe_agents_path)
     return content or None