modelcontextprotocol/typescript-sdk
Watch
1
0
Fork
You've already forked typescript-sdk
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

Add _meta support to registerPrompt (#1629)

Browse source 
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com>
This commit is contained in:
Tapan Chugh 2026-03-31 03:56:30 -07:00 • committed by GitHub
commit f73a5af4bc
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 105 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

16
packages/server/src/server/mcp.ts
View file

@ -530,7 +530,8 @@ export class McpServer {
name,
title: prompt.title,
description: prompt.description,
arguments: prompt.argsSchema ? promptArgumentsFromStandardSchema(prompt.argsSchema) : undefined
arguments: prompt.argsSchema ? promptArgumentsFromStandardSchema(prompt.argsSchema) : undefined,
_meta: prompt._meta
};
})
})
@ -699,7 +700,8 @@ export class McpServer {
title: string | undefined,
description: string | undefined,
argsSchema: StandardSchemaWithJSON | undefined,
callback: PromptCallback<StandardSchemaWithJSON | undefined>
callback: PromptCallback<StandardSchemaWithJSON | undefined>,
_meta: Record<string, unknown> | undefined
): RegisteredPrompt {
// Track current schema and callback for handler regeneration
let currentArgsSchema = argsSchema;
@ -709,6 +711,7 @@ export class McpServer {
title,
description,
argsSchema,
_meta,
handler: createPromptHandler(name, argsSchema, callback),
enabled: true,
disable: () => registeredPrompt.update({ enabled: false }),
@ -721,6 +724,7 @@ export class McpServer {
}
if (updates.title !== undefined) registeredPrompt.title = updates.title;
if (updates.description !== undefined) registeredPrompt.description = updates.description;
if (updates._meta !== undefined) registeredPrompt._meta = updates._meta;
// Track if we need to regenerate the handler
let needsHandlerRegen = false;
@ -921,6 +925,7 @@ export class McpServer {
title?: string;
description?: string;
argsSchema?: Args;
_meta?: Record<string, unknown>;
},
cb: PromptCallback<Args>
): RegisteredPrompt {
@ -928,14 +933,15 @@ export class McpServer {
throw new Error(`Prompt ${name} is already registered`);
}
const { title, description, argsSchema } = config;
const { title, description, argsSchema, _meta } = config;
const registeredPrompt = this._createRegisteredPrompt(
name,
title,
description,
argsSchema,
cb as PromptCallback<StandardSchemaWithJSON | undefined>
cb as PromptCallback<StandardSchemaWithJSON | undefined>,
_meta
);
this.setPromptRequestHandlers();
@ -1234,6 +1240,7 @@ export type RegisteredPrompt = {
title?: string;
description?: string;
argsSchema?: StandardSchemaWithJSON;
_meta?: Record<string, unknown>;
/** @hidden */
handler: PromptHandler;
enabled: boolean;
@ -1244,6 +1251,7 @@ export type RegisteredPrompt = {
title?: string;
description?: string;
argsSchema?: Args;
_meta?: Record<string, unknown>;
callback?: PromptCallback<Args>;
enabled?: boolean;
}): void;