diff --git a/.chronus/changes/python-preserveCondaPyproject-2026-0-27-16-36-38.md b/.chronus/changes/python-preserveCondaPyproject-2026-0-27-16-36-38.md
new file mode 100644
index 00000000000..c97a909642a
--- /dev/null
+++ b/.chronus/changes/python-preserveCondaPyproject-2026-0-27-16-36-38.md
@@ -0,0 +1,7 @@
+---
+changeKind: fix
+packages:
+  - "@typespec/http-client-python"
+---
+
+Don't remove azure-sdk tool definitions from pyproject.toml
\ No newline at end of file
diff --git a/packages/http-client-python/generator/pygen/codegen/serializers/general_serializer.py b/packages/http-client-python/generator/pygen/codegen/serializers/general_serializer.py
index 2a015351cd4..54fe489920d 100644
--- a/packages/http-client-python/generator/pygen/codegen/serializers/general_serializer.py
+++ b/packages/http-client-python/generator/pygen/codegen/serializers/general_serializer.py
@@ -75,9 +75,11 @@ def external_lib_version_map(self, file_content: str, additional_version_map: di
             # If parsing the pyproject.toml fails, we assume the it does not exist or is incorrectly formatted.
             return result
 
-        # Keep "azure-sdk-build" and "packaging" configuration
-        if "tool" in loaded_pyproject_toml and "azure-sdk-build" in loaded_pyproject_toml["tool"]:
-            result["KEEP_FIELDS"]["tool.azure-sdk-build"] = loaded_pyproject_toml["tool"]["azure-sdk-build"]
+        # Keep "azure-sdk-*" and "packaging" configuration
+        if "tool" in loaded_pyproject_toml:
+            for key in loaded_pyproject_toml["tool"]:
+                if key.startswith("azure-sdk"):
+                    result["KEEP_FIELDS"][f"tool.{key}"] = loaded_pyproject_toml["tool"][key]
         if "packaging" in loaded_pyproject_toml:
             result["KEEP_FIELDS"]["packaging"] = loaded_pyproject_toml["packaging"]
 
diff --git a/packages/http-client-python/generator/pygen/codegen/templates/packaging_templates/pyproject.toml.jinja2 b/packages/http-client-python/generator/pygen/codegen/templates/packaging_templates/pyproject.toml.jinja2
index c609d79b486..5cc41d91cb9 100644
--- a/packages/http-client-python/generator/pygen/codegen/templates/packaging_templates/pyproject.toml.jinja2
+++ b/packages/http-client-python/generator/pygen/codegen/templates/packaging_templates/pyproject.toml.jinja2
@@ -109,13 +109,17 @@ exclude = [
 [tool.setuptools.package-data]
 pytyped = ["py.typed"]
 {% endif %}
-{% if KEEP_FIELDS and KEEP_FIELDS.get('tool.azure-sdk-build') %}
+{% if KEEP_FIELDS %}
+{% for field_key, field_val in KEEP_FIELDS.items() %}
+{% if field_key.startswith('tool.azure-sdk') %}
 
-[tool.azure-sdk-build]
-{% for key, val in KEEP_FIELDS.get('tool.azure-sdk-build').items() %}
+[{{ field_key }}]
+{% for key, val in field_val.items() %}
 {{ key }} = {{ val|tojson }}
 {% endfor %}
 {% endif %}
+{% endfor %}
+{% endif %}
 {% if KEEP_FIELDS and KEEP_FIELDS.get('packaging') %}
 
 [packaging]