Google ADK

from google.adk.agents import Agent
from google.adk.tools.mcp_tool.mcp_session_manager import StdioConnectionParams
from google.adk.tools.mcp_tool.mcp_toolset import MCPToolset
from mcp import StdioServerParameters

EXA_API_KEY = "YOUR_EXA_API_KEY"

root_agent = Agent(
    model="gemini-2.5-pro",
    name="exa_agent",
    instruction="Help users get information from Exa",
    tools=[
        MCPToolset(
            connection_params=StdioConnectionParams(
                server_params = StdioServerParameters(
                    command="npx",
                    args=[
                        "-y",
                        "exa-mcp-server",
                        # (Optional) Choose which tools to use
                        # If you don't pick any tools, all tools will be used by default
                        # "--tools=get_code_context_exa,web_search_exa",
                    ],
                    env={
                        "EXA_API_KEY": EXA_API_KEY,
                    }
                ),
                timeout=30,
            ),
        )
    ],
)

from google.adk.agents import Agent
from google.adk.tools.mcp_tool.mcp_session_manager import StreamableHTTPServerParams
from google.adk.tools.mcp_tool.mcp_toolset import MCPToolset

EXA_API_KEY = "YOUR_EXA_API_KEY"

root_agent = Agent(
    model="gemini-2.5-pro",
    name="exa_agent",
    instruction="""Help users get information from Exa""",
    tools=[
        MCPToolset(
            connection_params=StreamableHTTPServerParams(
                url="https://mcp.exa.ai/mcp",
                headers={"x-api-key": EXA_API_KEY},
                # (Optional) Choose which tools to use
                # If you don't pick any tools, all tools will be used by default
                # url="https://mcp.exa.ai/mcp?tools=web_fetch_exa",
            ),
        )
    ],
)