MCP Perplexica

"""Application API - MCP tool definitions.""" from dependencies import mcp, get_search_use_case from application.requests import SearchRequestDTO from domain.ports import SearchError @mcp.tool() async def search(search_request: SearchRequestDTO) -> str: """Search the web using Perplexica and get AI-generated responses with sources. Args: search_request: The search request containing query, models, and options. Returns: A formatted string containing the AI-generated response and source citations. """ use_case = get_search_use_case() try: result = await use_case.execute(search_request) response_parts = [result.message] if result.sources: response_parts.append("\n\n## Sources") for i, source in enumerate(result.sources, 1): source_line = f"{i}. [{source.title}]({source.url})" if source.snippet: source_line += f"\n > {source.snippet}" response_parts.append(source_line) return "\n".join(response_parts) except SearchError as e: return f"Search failed: {e.message}" except Exception as e: return f"Unexpected error: {e}"