mcp-client-cli: Note that client and server transports must match.

docs/source/versions1.json

@@ -1,7 +1,11 @@
 [
     {
-        "version": "1.3",
+        "version": "1.4",
         "preferred": true,
+        "url": "../1.4/"
+    },
+    {
+        "version": "1.3",
         "url": "../1.3/"
     },
     {

docs/source/workflows/mcp/mcp-client.md

@@ -260,6 +260,7 @@ nat mcp client tool list --transport stdio --command "python" --args "-m mcp_ser
 # For sse transport
 nat mcp client tool list --url http://localhost:9901/sse --transport sse
 ```
+For SSE transport, ensure the MCP server is started with the `--transport sse` flag. The transport type on the client and server needs to match for MCP communication to work. The default transport type is `streamable-http`.
 
 Sample output:
 ```text

examples/HITL/por_to_jiratickets/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "nat_por_to_jiratickets"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[langchain]~=1.3"]
+dependencies = ["nvidia-nat[langchain]~=1.4"]
 requires-python = ">=3.11,<3.14"
 description = "Custom NeMo Agent toolkit Workflow"
 classifiers = ["Programming Language :: Python"]

examples/HITL/simple_calculator_hitl/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_simple_calculator_hitl"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
   "nat_simple_calculator",
   "nat_por_to_jiratickets",
 ]

examples/MCP/simple_auth_mcp/pyproject.toml

@@ -13,7 +13,7 @@ root = "../../.."
 name = "nat_simple_auth_mcp"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[mcp]~=1.3",
+    "nvidia-nat[mcp]~=1.4",
 ]
 requires-python = ">=3.11,<3.14"
 description = "Simple MCP authentication example"

examples/MCP/simple_calculator_mcp/pyproject.toml

@@ -13,8 +13,8 @@ root = "../../.."
 name = "nat_simple_calculator_mcp"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain]~=1.3",
-    "nvidia-nat[mcp]~=1.3",
+    "nvidia-nat[langchain]~=1.4",
+    "nvidia-nat[mcp]~=1.4",
     "nat_simple_calculator",
     "mcp-server-time~=2025.8"
 ]

examples/RAG/simple_rag/pyproject.toml

@@ -13,7 +13,7 @@ root = "../../.."
 name = "nat_simple_rag"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[ingestion,langchain,mem0ai]~=1.3",
+  "nvidia-nat[ingestion,langchain,mem0ai]~=1.4",
 ]
 requires-python = ">=3.11,<3.14"
 description = "Simple NeMo Agent toolkit Rag example"

examples/advanced_agents/alert_triage_agent/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_alert_triage_agent"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
   "langchain-core", # version determined by nvidia-nat[langchain]
   "pandas>=2.0.0",
   "ansible-runner>=2.3.0",

examples/advanced_agents/profiler_agent/pyproject.toml

@@ -15,7 +15,7 @@ dependencies = [
   # of precision in the version specifier. For example, use `~=1.2` instead of `~=1.2.3` and `~=0.1.3` instead of
   # `~=0.1.3.5`.
   # Keep sorted!!!
-  "nvidia-nat[langchain,profiling,telemetry]~=1.3",
+  "nvidia-nat[langchain,profiling,telemetry]~=1.4",
   "pydantic", # version determined by nvidia-nat
 ]
 requires-python = ">=3.11,<3.14"

examples/control_flow/router_agent/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_router_agent"
 dynamic = ["version"]
 dependencies = [
-   "nvidia-nat[langchain]~=1.3"
+   "nvidia-nat[langchain]~=1.4"
 ]
 requires-python = ">=3.11,<3.14"
 description = "Router Agent for NeMo Agent toolkit"

examples/control_flow/sequential_executor/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_sequential_executor"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain]~=1.3",
+    "nvidia-nat[langchain]~=1.4",
 ]
 requires-python = ">=3.11,<3.14"
 description = "Sequential executor for NeMo Agent toolkit"

examples/custom_functions/automated_description_generation/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_automated_description_generation"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[ingestion,langchain]~=1.3",
+    "nvidia-nat[ingestion,langchain]~=1.4",
     "usearch~=2.21.0",
 ]
 requires-python = ">=3.11,<3.14"

examples/custom_functions/plot_charts/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_plot_charts"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
   "matplotlib==3.9.*",
   "seaborn==0.13.*",
 ]

examples/documentation_guides/workflows/text_file_ingest/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../../.."
 name = "text_file_ingest"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain]~=1.3",
+    "nvidia-nat[langchain]~=1.4",
     "bs4==0.0.2",
     "usearch~=2.21.0",
 ]

examples/evaluation_and_profiling/email_phishing_analyzer/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_email_phishing_analyzer"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
   "arize-phoenix~=11.28",
   "bs4==0.0.2",
   "networkx~=3.4",

examples/evaluation_and_profiling/simple_calculator_eval/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_simple_calculator_eval"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain]~=1.3",
+    "nvidia-nat[langchain]~=1.4",
     "nat_simple_calculator",
 ]
 requires-python = ">=3.11,<3.14"

examples/evaluation_and_profiling/simple_web_query_eval/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_simple_web_query_eval"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain,profiling]~=1.3",
+    "nvidia-nat[langchain,profiling]~=1.4",
     "nat_simple_web_query",
 ]
 requires-python = ">=3.11,<3.14"

examples/evaluation_and_profiling/swe_bench/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_swe_bench"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain]~=1.3",
+    "nvidia-nat[langchain]~=1.4",
     "swebench==3.0.3",
 ]
 

examples/frameworks/adk_demo/pyproject.toml

@@ -16,7 +16,7 @@ requires-python = ">=3.11,<3.14"
 dependencies = [
   "zstandard",
   "matplotlib~=3.9",
-  "nvidia-nat[adk]~=1.3"
+  "nvidia-nat[adk]~=1.4"
 ]
 description = "Google ADK Example"
 keywords = ["ai", "agents", "tools", "mcp"]

examples/frameworks/agno_personal_finance/pyproject.toml

@@ -10,8 +10,8 @@ root = "../../.."
 name = "nat_agno_personal_finance"
 dynamic = ["version"]
 dependencies = [
-   "nvidia-nat[agno]~=1.3",
-   "nvidia-nat[openai,litellm]",
+   "nvidia-nat[agno]~=1.4",
+   "nvidia-nat[litellm,openai]~=1.4",
 ]
 requires-python = ">=3.11,<3.14"
 description = "Custom NeMo Agent toolkit Workflow using Agno for personal finance"

examples/frameworks/haystack_deep_research_agent/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 name = "nat_haystack_deep_research_agent"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat~=1.3",
+  "nvidia-nat~=1.4",
   "haystack-ai>=2.17.0,<2.19",
   "opensearch-haystack~=4.2.0",
   "nvidia-haystack~=0.3.0",

examples/frameworks/multi_frameworks/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_multi_frameworks"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain,llama-index,openai]~=1.3",
+  "nvidia-nat[langchain,llama-index,openai]~=1.4",
   "arxiv~=2.1.3",
   "bs4==0.0.2",
   "markdown-it-py~=3.0",

examples/frameworks/semantic_kernel_demo/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_semantic_kernel_demo"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain,mem0ai,semantic-kernel]~=1.3",
+  "nvidia-nat[langchain,mem0ai,semantic-kernel]~=1.4",
   "usearch==2.21.0",
 ]
 requires-python = ">=3.11,<3.14"

examples/front_ends/simple_auth/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_simple_auth"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain]~=1.3",
+    "nvidia-nat[langchain]~=1.4",
     "httpx",
 ]
 requires-python = ">=3.11,<3.14"

examples/front_ends/simple_calculator_custom_routes/pyproject.toml

@@ -13,7 +13,7 @@ root = "../../.."
 name = "nat_simple_calculator_custom_routes"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain]~=1.3",
+    "nvidia-nat[langchain]~=1.4",
     "nat_simple_calculator",
 ]
 requires-python = ">=3.11,<3.14"

examples/getting_started/simple_calculator/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "nat_simple_calculator"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[langchain]~=1.3"]
+dependencies = ["nvidia-nat[langchain]~=1.4"]
 requires-python = ">=3.11,<3.14"
 description = "Simple Calculator NeMo Agent toolkit example"
 keywords = ["ai", "rag", "agents"]

examples/getting_started/simple_web_query/pyproject.toml

@@ -10,8 +10,8 @@ root = "../../.."
 name = "nat_simple_web_query"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain]~=1.3",
-  "nvidia-nat[telemetry]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
+  "nvidia-nat[telemetry]~=1.4",
   "usearch~=2.21.0",
 ]
 requires-python = ">=3.11,<3.14"

examples/notebooks/first_search_agent/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_first_search_agent"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
   "jupyter~=1.1",
   "jupyterlab~=4.3",
   "notebook~=7.3",

examples/notebooks/retail_sales_agent/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_retail_sales_agent"
 dynamic = ["version"]
 dependencies = [
-  "nvidia-nat[langchain]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
   "pandas==2.3.1",
   "llama-index-vector-stores-milvus",
   "jupyter~=1.1",

examples/object_store/user_report/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 name = "nat_user_report"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[mysql,redis,s3]~=1.3",
+    "nvidia-nat[mysql,redis,s3]~=1.4",
 ]
 requires-python = ">=3.11,<3.14"
 description = "NeMo Agent toolkit example that uses an Object Store"

examples/observability/redact_pii/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "nat_redact_pii"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[weave]~=1.3"]
+dependencies = ["nvidia-nat[weave]~=1.4"]
 requires-python = ">=3.11,<3.14"
 description = "Simple Redact PII example"
 keywords = ["ai", "pii", "redaction"]

examples/observability/simple_calculator_observability/pyproject.toml

@@ -13,7 +13,7 @@ root = "../../.."
 name = "nat_simple_calculator_observability"
 dynamic = ["version"]
 dependencies = [
-    "nvidia-nat[langchain,telemetry]~=1.3",
+    "nvidia-nat[langchain,telemetry]~=1.4",
     "nat_simple_calculator",
 ]
 requires-python = ">=3.11,<3.14"

packages/compat/aiqtoolkit/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit"
 dynamic = ["version"]
-dependencies = ["nvidia-nat~=1.3"]
+dependencies = ["nvidia-nat~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_agno/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-agno"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[agno]~=1.3"]
+dependencies = ["nvidia-nat[agno]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-agno, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_crewai/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-crewai"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[crewai]~=1.3"]
+dependencies = ["nvidia-nat[crewai]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-crewai, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_langchain/pyproject.toml

@@ -14,7 +14,7 @@ dependencies = [
   # Keep package version constraints as open as possible to avoid conflicts with other packages. Always define a minimum
   # version when adding a new package. If unsure, default to using `~=` instead of `==`. Does not apply to aiq packages.
   # Keep sorted!!!
-  "nvidia-nat[langchain]~=1.3",
+  "nvidia-nat[langchain]~=1.4",
 ]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-langchain, this package is deprecated and will be removed in the future."

packages/compat/aiqtoolkit_llama_index/pyproject.toml

@@ -11,7 +11,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-llama-index"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[llama-index]~=1.3"]
+dependencies = ["nvidia-nat[llama-index]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-llama-index, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_mem0ai/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-mem0ai"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[mem0ai]~=1.3"]
+dependencies = ["nvidia-nat[mem0ai]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-mem0ai, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_semantic_kernel/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-semantic-kernel"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[semantic-kernel]~=1.3"]
+dependencies = ["nvidia-nat[semantic-kernel]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-semantic-kernel, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_test/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-test"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[test]~=1.3"]
+dependencies = ["nvidia-nat[test]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-test, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_weave/pyproject.toml

@@ -10,7 +10,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-weave"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[weave]~=1.3"]
+dependencies = ["nvidia-nat[weave]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-weave, this package is deprecated and will be removed in the future."
 classifiers = [

packages/compat/aiqtoolkit_zep_cloud/pyproject.toml

@@ -9,7 +9,7 @@ root = "../../.."
 [project]
 name = "aiqtoolkit-zep-cloud"
 dynamic = ["version"]
-dependencies = ["nvidia-nat[zep-cloud]~=1.3"]
+dependencies = ["nvidia-nat[zep-cloud]~=1.4"]
 readme = "pypi.md"
 description = "Transitional package for nvidia-nat-zep-cloud, this package is deprecated and will be removed in the future."
 classifiers = [

packages/nvidia_nat_adk/pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
   # Keep package version constraints as open as possible to avoid conflicts with other packages. Always define a minimum
   # version when adding a new package. If unsure, default to using `~=` instead of `==`. Does not apply to nat packages.
   # Keep sorted!!!
-  "nvidia-nat[litellm]~=1.3",
+  "nvidia-nat[litellm]~=1.4",
   "google-adk~=1.14.1",
 ]