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Update simple-resource example to use non-deprecated read_resource return type #1331

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Merged
merged 1 commit into from
Sep 1, 2025
+3 −2
Merged

Update simple-resource example to use non-deprecated read_resource return type #1331

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5 changes: 3 additions & 2 deletions examples/servers/simple-resource/mcp_simple_resource/server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import click
import mcp.types as types
from mcp.server.lowlevel import Server
from mcp.server.lowlevel.helper_types import ReadResourceContents
from pydantic import AnyUrl, FileUrl
from starlette.requests import Request

Expand Down Expand Up @@ -46,15 +47,15 @@ async def list_resources() -> list[types.Resource]:
]

@app.read_resource()
async def read_resource(uri: AnyUrl) -> str | bytes:
async def read_resource(uri: AnyUrl):
if uri.path is None:
raise ValueError(f"Invalid resource path: {uri}")
name = uri.path.replace(".txt", "").lstrip("/")

if name not in SAMPLE_RESOURCES:
raise ValueError(f"Unknown resource: {uri}")

return SAMPLE_RESOURCES[name]["content"]
return [ReadResourceContents(content=SAMPLE_RESOURCES[name]["content"], mime_type="text/plain")]

if transport == "sse":
from mcp.server.sse import SseServerTransport
Expand Down
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