Function call_tool

tests/interaction/lowlevel/test_progress.py:42–47

(ctx: ServerRequestContext, params: types.CallToolRequestParams)

        return types.ListToolsResult(tools=[types.Tool(name="download", input_schema={"type": "object"})])

    async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
        assert params.name == "download"
        await ctx.session.report_progress(1.0, total=3.0, message="first chunk")
        await ctx.session.report_progress(2.0, total=3.0, message="second chunk")
        await ctx.session.report_progress(3.0, total=3.0, message="done")
        return CallToolResult(content=[TextContent(text="downloaded")])

    server = Server("downloader", on_list_tools=list_tools, on_call_tool=call_tool)