Replace unused Wikipedia tool spec and integrate `WikipediaToolSpec` with a dedicated `wikipedia_agent`.

src/gaia_solving_agent/agent.py

@@ -4,6 +4,7 @@ from llama_index.core.agent.workflow import FunctionAgent, AgentWorkflow
 from llama_index.core.prompts import RichPromptTemplate
 from llama_index.llms.nebius import NebiusLLM
 from llama_index.tools.requests import RequestsToolSpec
+from llama_index.tools.wikipedia import WikipediaToolSpec
 from workflows import Workflow, step
 from workflows.events import StartEvent, Event, StopEvent
 
@@ -101,9 +102,19 @@ visit_website = FunctionAgent(
     description="Agent that visit a web page and return a summary of the page."
 )
 
+wikipedia_agent = FunctionAgent(
+    tools=[*WikipediaToolSpec().to_tool_list()],
+    llm=get_llm(),
+    system_prompt="""
+You are a helpful assistant that searches Wikipedia and visit Wikipedia pages.
+""",
+    name="wikipedia_agent",
+    description="Agent that searches Wikipedia and visit Wikipedia pages."
+)
+
 
 gaia_solving_agent = AgentWorkflow(
-    agents = [tavily_search_engine, visit_website, wikipedia_tool_spec],
+    agents = [tavily_search_engine, visit_website, wikipedia_agent],
     initial_state = dict(),
     root_agent = tavily_search_engine.name,
     handoff_prompt = None,

src/gaia_solving_agent/tools.py

@@ -1,4 +1,3 @@
-from llama_index.tools.wikipedia.base import WikipediaToolSpec
 from tavily import AsyncTavilyClient
 
 from gaia_solving_agent import TAVILY_API_KEY
@@ -11,5 +10,3 @@ async def tavily_search_web(query: str) -> str:
     client = AsyncTavilyClient(api_key=TAVILY_API_KEY)
     return str(await client.search(query))
 
-
-wikipedia_tool_spec = WikipediaToolSpec().to_tool_list()