replace all LANGCHAIN_ flags with LANGSMITH_ flags (#29120)

langchain-ai · Jan 11, 2025 · 62074ba · 62074ba
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diff --git a/cookbook/anthropic_structured_outputs.ipynb b/cookbook/anthropic_structured_outputs.ipynb
@@ -31,8 +31,8 @@
    "source": [
     "# Optional\n",
     "import os\n",
-    "# os.environ['LANGCHAIN_TRACING_V2'] = 'true' # enables tracing\n",
-    "# os.environ['LANGCHAIN_API_KEY'] = <your-api-key>"
+    "# os.environ['LANGSMITH_TRACING'] = 'true' # enables tracing\n",
+    "# os.environ['LANGSMITH_API_KEY'] = <your-api-key>"
    ]
   },
   {

diff --git a/cookbook/local_rag_agents_intel_cpu.ipynb b/cookbook/local_rag_agents_intel_cpu.ipynb
@@ -86,15 +86,15 @@
     "\n",
     "Environment Variables:\n",
     "- USER_AGENT: Specifies the user agent string to be used.\n",
-    "- LANGCHAIN_TRACING_V2: Enables or disables tracing for LangChain.\n",
-    "- LANGCHAIN_API_KEY: API key for accessing LangChain services.\n",
+    "- LANGSMITH_TRACING: Enables or disables tracing for LangChain.\n",
+    "- LANGSMITH_API_KEY: API key for accessing LangChain services.\n",
     "- TAVILY_API_KEY: API key for accessing Tavily services.\n",
     "\"\"\"\n",
     "import os\n",
     "\n",
     "os.environ[\"USER_AGENT\"] = \"myagent\"\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = \"xxxx\"\n",
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = \"xxxx\"\n",
     "os.environ[\"TAVILY_API_KEY\"] = \"tvly-xxxx\""
    ]
   },

diff --git a/cookbook/mongodb-langchain-cache-memory.ipynb b/cookbook/mongodb-langchain-cache-memory.ipynb
@@ -124,8 +124,8 @@
     "# Optional-- If you want to enable Langsmith -- good for debugging\n",
     "import os\n",
     "\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/cookbook/nomic_embedding_rag.ipynb b/cookbook/nomic_embedding_rag.ipynb
@@ -71,9 +71,9 @@
     "# Optional: LangSmith API keys\n",
     "import os\n",
     "\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_ENDPOINT\"] = \"https://api.smith.langchain.com\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = \"api_key\""
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_ENDPOINT\"] = \"https://api.smith.langchain.com\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = \"api_key\""
    ]
   },
   {

diff --git a/cookbook/optimization.ipynb b/cookbook/optimization.ipynb
@@ -29,7 +29,7 @@
    "source": [
     "import os\n",
     "\n",
-    "os.environ[\"LANGCHAIN_PROJECT\"] = \"movie-qa\""
+    "os.environ[\"LANGSMITH_PROJECT\"] = \"movie-qa\""
    ]
   },
   {

diff --git a/cookbook/wikibase_agent.ipynb b/cookbook/wikibase_agent.ipynb
@@ -144,8 +144,8 @@
    "outputs": [],
    "source": [
     "# import os\n",
-    "# os.environ[\"LANGCHAIN_HANDLER\"] = \"langchain\"\n",
-    "# os.environ[\"LANGCHAIN_SESSION\"] = \"default\" # Make sure this session actually exists."
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_PROJECT\"] = \"default\" # Make sure this session actually exists."
    ]
   },
   {

diff --git a/docs/docs/how_to/agent_executor.ipynb b/docs/docs/how_to/agent_executor.ipynb
@@ -75,8 +75,8 @@
     "After you sign up at the link above, make sure to set your environment variables to start logging traces:\n",
     "\n",
     "```shell\n",
-    "export LANGCHAIN_TRACING_V2=\"true\"\n",
-    "export LANGCHAIN_API_KEY=\"...\"\n",
+    "export LANGSMITH_TRACING=\"true\"\n",
+    "export LANGSMITH_API_KEY=\"...\"\n",
     "```\n",
     "\n",
     "Or, if in a notebook, you can set them with:\n",
@@ -85,8 +85,8 @@
     "import getpass\n",
     "import os\n",
     "\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
     "```\n"
    ]
   },

diff --git a/docs/docs/how_to/debugging.ipynb b/docs/docs/how_to/debugging.ipynb
@@ -33,8 +33,8 @@
     "After you sign up at the link above, make sure to set your environment variables to start logging traces:\n",
     "\n",
     "```shell\n",
-    "export LANGCHAIN_TRACING_V2=\"true\"\n",
-    "export LANGCHAIN_API_KEY=\"...\"\n",
+    "export LANGSMITH_TRACING=\"true\"\n",
+    "export LANGSMITH_API_KEY=\"...\"\n",
     "```\n",
     "\n",
     "Or, if in a notebook, you can set them with:\n",
@@ -43,8 +43,8 @@
     "import getpass\n",
     "import os\n",
     "\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
     "```\n",
     "\n",
     "Let's suppose we have an agent, and want to visualize the actions it takes and tool outputs it receives. Without any debugging, here's what we see:\n",

diff --git a/docs/docs/how_to/graph_constructing.ipynb b/docs/docs/how_to/graph_constructing.ipynb
@@ -82,8 +82,8 @@
     "os.environ[\"OPENAI_API_KEY\"] = getpass.getpass()\n",
     "\n",
     "# Uncomment the below to use LangSmith. Not required.\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\""
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\""
    ]
   },
   {

diff --git a/docs/docs/how_to/graph_semantic.ipynb b/docs/docs/how_to/graph_semantic.ipynb
@@ -68,8 +68,8 @@
     "os.environ[\"OPENAI_API_KEY\"] = getpass.getpass()\n",
     "\n",
     "# Uncomment the below to use LangSmith. Not required.\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\""
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\""
    ]
   },
   {

diff --git a/docs/docs/how_to/qa_chat_history_how_to.ipynb b/docs/docs/how_to/qa_chat_history_how_to.ipynb
@@ -71,9 +71,9 @@
     "Note that LangSmith is not needed, but it is helpful. If you do want to use LangSmith, after you sign up at the link above, make sure to set your environment variables to start logging traces:\n",
     "\n",
     "```python\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "if not os.environ.get(\"LANGCHAIN_API_KEY\"):\n",
-    "    os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "if not os.environ.get(\"LANGSMITH_API_KEY\"):\n",
+    "    os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
     "```\n",
     "\n",
     "### Components\n",

diff --git a/docs/docs/how_to/qa_sources.ipynb b/docs/docs/how_to/qa_sources.ipynb
@@ -53,8 +53,8 @@
     "Note that LangSmith is not needed, but it is helpful. If you do want to use LangSmith, after you sign up at the link above, make sure to set your environment variables to start logging traces:\n",
     "\n",
     "```python\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
     "```"
    ]
   },

diff --git a/docs/docs/how_to/qa_streaming.ipynb b/docs/docs/how_to/qa_streaming.ipynb
@@ -46,8 +46,8 @@
     "Note that LangSmith is not needed, but it is helpful. If you do want to use LangSmith, after you sign up at the link above, make sure to set your environment variables to start logging traces:\n",
     "\n",
     "```python\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
     "```"
    ]
   },

diff --git a/docs/docs/how_to/query_few_shot.ipynb b/docs/docs/how_to/query_few_shot.ipynb
@@ -79,8 +79,8 @@
     "    os.environ[\"OPENAI_API_KEY\"] = getpass.getpass()\n",
     "\n",
     "# Optional, uncomment to trace runs with LangSmith. Sign up here: https://smith.langchain.com.\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/query_high_cardinality.ipynb b/docs/docs/how_to/query_high_cardinality.ipynb
@@ -80,8 +80,8 @@
     "    os.environ[\"OPENAI_API_KEY\"] = getpass.getpass()\n",
     "\n",
     "# Optional, uncomment to trace runs with LangSmith. Sign up here: https://smith.langchain.com.\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/query_multiple_queries.ipynb b/docs/docs/how_to/query_multiple_queries.ipynb
@@ -85,8 +85,8 @@
     "    os.environ[\"OPENAI_API_KEY\"] = getpass.getpass()\n",
     "\n",
     "# Optional, uncomment to trace runs with LangSmith. Sign up here: https://smith.langchain.com.\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/query_multiple_retrievers.ipynb b/docs/docs/how_to/query_multiple_retrievers.ipynb
@@ -85,8 +85,8 @@
     "    os.environ[\"OPENAI_API_KEY\"] = getpass.getpass()\n",
     "\n",
     "# Optional, uncomment to trace runs with LangSmith. Sign up here: https://smith.langchain.com.\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/query_no_queries.ipynb b/docs/docs/how_to/query_no_queries.ipynb
@@ -87,8 +87,8 @@
     "    os.environ[\"OPENAI_API_KEY\"] = getpass.getpass()\n",
     "\n",
     "# Optional, uncomment to trace runs with LangSmith. Sign up here: https://smith.langchain.com.\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/sql_csv.ipynb b/docs/docs/how_to/sql_csv.ipynb
@@ -55,8 +55,8 @@
    "source": [
     "# Using LangSmith is recommended but not required. Uncomment below lines to use.\n",
     "# import os\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/sql_large_db.ipynb b/docs/docs/how_to/sql_large_db.ipynb
@@ -39,8 +39,8 @@
    "source": [
     "# Uncomment the below to use LangSmith. Not required.\n",
     "# import os\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\""
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\""
    ]
   },
   {

diff --git a/docs/docs/how_to/sql_prompting.ipynb b/docs/docs/how_to/sql_prompting.ipynb
@@ -36,8 +36,8 @@
    "source": [
     "# Uncomment the below to use LangSmith. Not required.\n",
     "# import os\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\""
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\""
    ]
   },
   {

diff --git a/docs/docs/how_to/sql_query_checking.ipynb b/docs/docs/how_to/sql_query_checking.ipynb
@@ -38,8 +38,8 @@
    "source": [
     "# Uncomment the below to use LangSmith. Not required.\n",
     "# import os\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\""
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()\n",
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\""
    ]
   },
   {

diff --git a/docs/docs/how_to/tools_chain.ipynb b/docs/docs/how_to/tools_chain.ipynb
@@ -58,8 +58,8 @@
     "import getpass\n",
     "import os\n",
     "\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/tools_error.ipynb b/docs/docs/how_to/tools_error.ipynb
@@ -66,8 +66,8 @@
     "import getpass\n",
     "import os\n",
     "\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/tools_human.ipynb b/docs/docs/how_to/tools_human.ipynb
@@ -58,8 +58,8 @@
     "import os\n",
     "\n",
     "# If you'd like to use LangSmith, uncomment the below:\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/how_to/tools_prompting.ipynb b/docs/docs/how_to/tools_prompting.ipynb
@@ -78,8 +78,8 @@
    "source": [
     "import getpass\n",
     "import os\n",
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/integrations/chat/ai21.ipynb b/docs/docs/integrations/chat/ai21.ipynb
@@ -79,8 +79,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
    ]
   },
   {

diff --git a/docs/docs/integrations/chat/cloudflare_workersai.ipynb b/docs/docs/integrations/chat/cloudflare_workersai.ipynb
@@ -58,8 +58,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
    ]
   },
   {

diff --git a/docs/docs/integrations/chat/cohere.ipynb b/docs/docs/integrations/chat/cohere.ipynb
@@ -66,8 +66,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass()"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass()"
    ]
   },
   {

diff --git a/docs/docs/integrations/chat/naver.ipynb b/docs/docs/integrations/chat/naver.ipynb
@@ -92,8 +92,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
    ]
   },
   {

diff --git a/docs/docs/integrations/chat/nvidia_ai_endpoints.ipynb b/docs/docs/integrations/chat/nvidia_ai_endpoints.ipynb
@@ -93,8 +93,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
    ]
   },
   {

diff --git a/docs/docs/integrations/chat/reka.ipynb b/docs/docs/integrations/chat/reka.ipynb
@@ -104,8 +104,8 @@
     "import getpass\n",
     "import os\n",
     "\n",
-    "os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass(\"Enter your Langsmith API key: \")"
+    "os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass(\"Enter your Langsmith API key: \")"
    ]
   },
   {

diff --git a/docs/docs/integrations/chat/sambanova.ipynb b/docs/docs/integrations/chat/sambanova.ipynb
@@ -82,8 +82,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# os.environ[\"LANGCHAIN_TRACING_V2\"] = \"true\"\n",
-    "# os.environ[\"LANGCHAIN_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
+    "# os.environ[\"LANGSMITH_TRACING\"] = \"true\"\n",
+    "# os.environ[\"LANGSMITH_API_KEY\"] = getpass.getpass(\"Enter your LangSmith API key: \")"
    ]
   },
   {