add agent for testing directly

.gitignore

@@ -0,0 +1,216 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[codz]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#   Usually these files are written by a python script from a template
+#   before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py.cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+# Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+# uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+# poetry.lock
+# poetry.toml
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#   pdm recommends including project-wide configuration in pdm.toml, but excluding .pdm-python.
+#   https://pdm-project.org/en/latest/usage/project/#working-with-version-control
+# pdm.lock
+# pdm.toml
+.pdm-python
+.pdm-build/
+
+# pixi
+#   Similar to Pipfile.lock, it is generally recommended to include pixi.lock in version control.
+# pixi.lock
+#   Pixi creates a virtual environment in the .pixi directory, just like venv module creates one
+#   in the .venv directory. It is recommended not to include this directory in version control.
+.pixi
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# Redis
+*.rdb
+*.aof
+*.pid
+
+# RabbitMQ
+mnesia/
+rabbitmq/
+rabbitmq-data/
+
+# ActiveMQ
+activemq-data/
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.envrc
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#   JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#   be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#   and can be added to the global gitignore or merged into this file.  For a more nuclear
+#   option (not recommended) you can uncomment the following to ignore the entire idea folder.
+# .idea/
+
+# Abstra
+#   Abstra is an AI-powered process automation framework.
+#   Ignore directories containing user credentials, local state, and settings.
+#   Learn more at https://abstra.io/docs
+.abstra/
+
+# Visual Studio Code
+#   Visual Studio Code specific template is maintained in a separate VisualStudioCode.gitignore 
+#   that can be found at https://github.com/github/gitignore/blob/main/Global/VisualStudioCode.gitignore
+#   and can be added to the global gitignore or merged into this file. However, if you prefer, 
+#   you could uncomment the following to ignore the entire vscode folder
+# .vscode/
+
+# Ruff stuff:
+.ruff_cache/
+
+# PyPI configuration file
+.pypirc
+
+# Marimo
+marimo/_static/
+marimo/_lsp/
+__marimo__/
+
+# Streamlit
+.streamlit/secrets.toml

agent.py

@@ -0,0 +1,90 @@
+# ruff: noqa: INP001
+"""ADK agent that connects to the knowledge-search MCP server."""
+
+import asyncio
+import os
+
+from google.adk.agents.llm_agent import LlmAgent
+from google.adk.runners import Runner
+from google.adk.sessions import InMemorySessionService
+from google.adk.tools.mcp_tool import McpToolset
+from google.adk.tools.mcp_tool.mcp_session_manager import StdioConnectionParams
+from google.genai import types
+from mcp import StdioServerParameters
+
+# ADK needs these env vars for Vertex AI; reuse the ones from .env
+os.environ.setdefault("GOOGLE_GENAI_USE_VERTEXAI", "True")
+if project := os.environ.get("PROJECT_ID"):
+    os.environ.setdefault("GOOGLE_CLOUD_PROJECT", project)
+if location := os.environ.get("LOCATION"):
+    os.environ.setdefault("GOOGLE_CLOUD_LOCATION", location)
+
+SERVER_SCRIPT = os.path.join(os.path.dirname(os.path.abspath(__file__)), "main.py")
+
+
+async def async_main() -> None:
+    toolset = McpToolset(
+        connection_params=StdioConnectionParams(
+            server_params=StdioServerParameters(
+                command="uv",
+                args=["run", "python", SERVER_SCRIPT],
+            ),
+        ),
+    )
+
+    agent = LlmAgent(
+        model="gemini-2.0-flash",
+        name="knowledge_agent",
+        instruction=(
+            "You are a helpful assistant with access to a knowledge base. "
+            "Use the knowledge_search tool to find relevant information "
+            "when the user asks questions. Summarize the results clearly."
+        ),
+        tools=[toolset],
+    )
+
+    session_service = InMemorySessionService()
+    session = await session_service.create_session(
+        state={},
+        app_name="knowledge_agent",
+        user_id="user",
+    )
+
+    runner = Runner(
+        app_name="knowledge_agent",
+        agent=agent,
+        session_service=session_service,
+    )
+
+    print("Knowledge Search Agent ready. Type your query (Ctrl+C to exit):")
+    try:
+        while True:
+            try:
+                query = input("\n> ").strip()
+            except EOFError:
+                break
+            if not query:
+                continue
+
+            content = types.Content(
+                role="user",
+                parts=[types.Part(text=query)],
+            )
+
+            async for event in runner.run_async(
+                session_id=session.id,
+                user_id=session.user_id,
+                new_message=content,
+            ):
+                if event.is_final_response() and event.content and event.content.parts:
+                    for part in event.content.parts:
+                        if part.text:
+                            print(part.text)
+    except KeyboardInterrupt:
+        print("\nShutting down...")
+    finally:
+        await toolset.close()
+
+
+if __name__ == "__main__":
+    asyncio.run(async_main())

pyproject.toml

@@ -16,6 +16,7 @@ dependencies = [
 
 [dependency-groups]
 dev = [
+    "google-adk>=1.25.1",
     "ruff>=0.15.2",
     "ty>=0.0.18",
 ]