Max Isbey
36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
"""Example of implementing pagination with the low-level MCP server."""
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from mcp import types
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from mcp.server import Server, ServerRequestContext
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# Sample data to paginate
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ITEMS = [f"Item {i}" for i in range(1, 101)] # 100 items
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async def handle_list_resources(
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ctx: ServerRequestContext, params: types.PaginatedRequestParams | None
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) -> types.ListResourcesResult:
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"""List resources with pagination support."""
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page_size = 10
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# Extract cursor from request params
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cursor = params.cursor if params is not None else None
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# Parse cursor to get offset
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start = 0 if cursor is None else int(cursor)
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end = start + page_size
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# Get page of resources
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page_items = [
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types.Resource(uri=f"resource://items/{item}", name=item, description=f"Description for {item}")
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for item in ITEMS[start:end]
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]
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# Determine next cursor
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next_cursor = str(end) if end < len(ITEMS) else None
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return types.ListResourcesResult(resources=page_items, next_cursor=next_cursor)
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server = Server("paginated-server", on_list_resources=handle_list_resources)
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