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mcp: update SDK for SEP 973 + add to example server (#904)

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Co-authored-by: David Soria Parra <167242713+dsp-ant@users.noreply.github.com>
This commit is contained in:
Jesse Lumarie 2025-09-09 07:21:03 -04:00 • committed by GitHub
commit 217756edf7
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2 changed files with 51 additions and 1 deletions
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4
src/examples/server/simpleStreamableHttp.ts
View file

@ -21,7 +21,9 @@ const strictOAuth = process.argv.includes('--oauth-strict');
const getServer = () => {
const server = new McpServer({
name: 'simple-streamable-http-server',
version: '1.0.0'
version: '1.0.0',
icons: [{src: './mcp.svg', sizes: '512x512', mimeType: 'image/svg+xml'}],
websiteUrl: 'https://github.com/modelcontextprotocol/typescript-sdk',
}, { capabilities: { logging: {} } });
// Register a simple tool that returns a greeting

48
src/types.ts
View file

@ -200,6 +200,26 @@ export const CancelledNotificationSchema = NotificationSchema.extend({
});
/* Base Metadata */
/**
* Icon schema for use in tools, prompts, resources, and implementations.
*/
export const IconSchema = z
.object({
/**
* URL or data URI for the icon.
*/
src: z.string(),
/**
* Optional MIME type for the icon.
*/
mimeType: z.optional(z.string()),
/**
* Optional string specifying icon dimensions (e.g., "48x48 96x96").
*/
sizes: z.optional(z.string()),
})
.passthrough();
/**
* Base metadata interface for common properties across resources, tools, prompts, and implementations.
*/
@ -225,6 +245,19 @@ export const BaseMetadataSchema = z
*/
export const ImplementationSchema = BaseMetadataSchema.extend({
version: z.string(),
/**
* An optional URL of the website for this implementation.
*/
websiteUrl: z.optional(z.string()),
/**
* An optional list of icons for this implementation.
* This can be used by clients to display the implementation in a user interface.
* Each icon should have a `kind` property that specifies whether it is a data representation or a URL source, a `src` property that points to the icon file or data representation, and may also include a `mimeType` and `sizes` property.
* The `mimeType` property should be a valid MIME type for the icon file, such as "image/png" or "image/svg+xml".
* The `sizes` property should be a string that specifies one or more sizes at which the icon file can be used, such as "48x48" or "any" for scalable formats like SVG.
* The `sizes` property is optional, and if not provided, the client should assume that the icon can be used at any size.
*/
icons: z.optional(z.array(IconSchema)),
});
/**
@ -506,6 +539,11 @@ export const ResourceSchema = BaseMetadataSchema.extend({
*/
mimeType: z.optional(z.string()),
/**
* An optional list of icons for this resource.
*/
icons: z.optional(z.array(IconSchema)),
/**
* See [MCP specification](https://github.com/modelcontextprotocol/modelcontextprotocol/blob/47339c03c143bb4ec01a26e721a1b8fe66634ebe/docs/specification/draft/basic/index.mdx#general-fields)
* for notes on _meta usage.
@ -672,6 +710,10 @@ export const PromptSchema = BaseMetadataSchema.extend({
* A list of arguments to use for templating the prompt.
*/
arguments: z.optional(z.array(PromptArgumentSchema)),
/**
* An optional list of icons for this prompt.
*/
icons: z.optional(z.array(IconSchema)),
/**
* See [MCP specification](https://github.com/modelcontextprotocol/modelcontextprotocol/blob/47339c03c143bb4ec01a26e721a1b8fe66634ebe/docs/specification/draft/basic/index.mdx#general-fields)
* for notes on _meta usage.
@ -930,6 +972,11 @@ export const ToolSchema = BaseMetadataSchema.extend({
*/
annotations: z.optional(ToolAnnotationsSchema),
/**
* An optional list of icons for this tool.
*/
icons: z.optional(z.array(IconSchema)),
/**
* See [MCP specification](https://github.com/modelcontextprotocol/modelcontextprotocol/blob/47339c03c143bb4ec01a26e721a1b8fe66634ebe/docs/specification/draft/basic/index.mdx#general-fields)
* for notes on _meta usage.
@ -1535,6 +1582,7 @@ export type EmptyResult = Infer<typeof EmptyResultSchema>;
export type CancelledNotification = Infer<typeof CancelledNotificationSchema>;
/* Base Metadata */
export type Icon = Infer<typeof IconSchema>;
export type BaseMetadata = Infer<typeof BaseMetadataSchema>;
/* Initialization */