Method read_resource

src/mcp/server/mcpserver/server.py:431–450

Read a resource by URI. Raises: ResourceNotFoundError: If no resource or template matches the URI. ResourceError: If template creation or resource reading fails.

(
        self, uri: AnyUrl | str, context: Context[LifespanResultT, Any] | None = None
    )

        ]

    async def read_resource(
        self, uri: AnyUrl | str, context: Context[LifespanResultT, Any] | None = None
    ) -> Iterable[ReadResourceContents]:
        """Read a resource by URI.

        Raises:
            ResourceNotFoundError: If no resource or template matches the URI.
            ResourceError: If template creation or resource reading fails.
        """
        if context is None:
            context = Context(mcp_server=self)
        resource = await self._resource_manager.get_resource(uri, context)

        try:
            content = await resource.read()
            return [ReadResourceContents(content=content, mime_type=resource.mime_type, meta=resource.meta)]
        except Exception as exc:
            logger.exception(f"Error getting resource {uri}")
            # If an exception happens when reading the resource, we should not leak the exception to the client.
            raise ResourceError(f"Error reading resource {uri}") from exc

    def add_tool(
        self,