Skip to content

fix(server): add icons field to registerTool and registerToolTask #1873

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
nielskaspers wants to merge 1 commit into
base: main
Choose a base branch
from
+21 −2
Open

fix(server): add icons field to registerTool and registerToolTask #1873

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions .changeset/add-tool-icons-support.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'@modelcontextprotocol/server': patch
---

Added `icons` field support to `registerTool()` and `registerToolTask()` APIs, matching the `ToolSchema` spec definition. Icons are now included in `tools/list` responses.
7 changes: 6 additions & 1 deletion packages/server/src/experimental/tasks/mcpServer.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
* @experimental
*/

import type { StandardSchemaWithJSON, TaskToolExecution, ToolAnnotations, ToolExecution } from '@modelcontextprotocol/core';
import type { Icon, StandardSchemaWithJSON, TaskToolExecution, ToolAnnotations, ToolExecution } from '@modelcontextprotocol/core';

import type { AnyToolHandler, McpServer, RegisteredTool } from '../../server/mcp.js';
import type { ToolTaskHandler } from './interfaces.js';
Expand All @@ -21,6 +21,7 @@ interface McpServerInternal {
description: string | undefined,
inputSchema: StandardSchemaWithJSON | undefined,
outputSchema: StandardSchemaWithJSON | undefined,
icons: Icon[] | undefined,
annotations: ToolAnnotations | undefined,
execution: ToolExecution | undefined,
_meta: Record<string, unknown> | undefined,
Expand Down Expand Up @@ -82,6 +83,7 @@ export class ExperimentalMcpServerTasks {
title?: string;
description?: string;
outputSchema?: OutputArgs;
icons?: Icon[];
annotations?: ToolAnnotations;
execution?: TaskToolExecution;
_meta?: Record<string, unknown>;
Expand All @@ -96,6 +98,7 @@ export class ExperimentalMcpServerTasks {
description?: string;
inputSchema: InputArgs;
outputSchema?: OutputArgs;
icons?: Icon[];
annotations?: ToolAnnotations;
execution?: TaskToolExecution;
_meta?: Record<string, unknown>;
Expand All @@ -110,6 +113,7 @@ export class ExperimentalMcpServerTasks {
description?: string;
inputSchema?: InputArgs;
outputSchema?: OutputArgs;
icons?: Icon[];
annotations?: ToolAnnotations;
execution?: TaskToolExecution;
_meta?: Record<string, unknown>;
Expand All @@ -130,6 +134,7 @@ export class ExperimentalMcpServerTasks {
config.description,
config.inputSchema,
config.outputSchema,
config.icons,
config.annotations,
execution,
config._meta,
Expand Down
11 changes: 10 additions & 1 deletion packages/server/src/server/mcp.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ import type {
CreateTaskResult,
CreateTaskServerContext,
GetPromptResult,
Icon,
Implementation,
ListPromptsResult,
ListResourcesResult,
Expand Down Expand Up @@ -144,6 +145,7 @@ export class McpServer {
inputSchema: tool.inputSchema
? (standardSchemaToJsonSchema(tool.inputSchema, 'input') as Tool['inputSchema'])
: EMPTY_OBJECT_JSON_SCHEMA,
icons: tool.icons,
annotations: tool.annotations,
execution: tool.execution,
_meta: tool._meta
Expand Down Expand Up @@ -770,6 +772,7 @@ export class McpServer {
description: string | undefined,
inputSchema: StandardSchemaWithJSON | undefined,
outputSchema: StandardSchemaWithJSON | undefined,
icons: Icon[] | undefined,
annotations: ToolAnnotations | undefined,
execution: ToolExecution | undefined,
_meta: Record<string, unknown> | undefined,
Expand All @@ -786,6 +789,7 @@ export class McpServer {
description,
inputSchema,
outputSchema,
icons,
annotations,
execution,
_meta,
Expand Down Expand Up @@ -822,6 +826,7 @@ export class McpServer {
}

if (updates.outputSchema !== undefined) registeredTool.outputSchema = updates.outputSchema;
if (updates.icons !== undefined) registeredTool.icons = updates.icons;
if (updates.annotations !== undefined) registeredTool.annotations = updates.annotations;
if (updates._meta !== undefined) registeredTool._meta = updates._meta;
if (updates.enabled !== undefined) registeredTool.enabled = updates.enabled;
Expand Down Expand Up @@ -869,6 +874,7 @@ export class McpServer {
description?: string;
inputSchema?: InputArgs;
outputSchema?: OutputArgs;
icons?: Icon[];
annotations?: ToolAnnotations;
_meta?: Record<string, unknown>;
},
Expand All @@ -878,14 +884,15 @@ export class McpServer {
throw new Error(`Tool ${name} is already registered`);
}

const { title, description, inputSchema, outputSchema, annotations, _meta } = config;
const { title, description, inputSchema, outputSchema, icons, annotations, _meta } = config;

return this._createRegisteredTool(
name,
title,
description,
inputSchema,
outputSchema,
icons,
annotations,
{ taskSupport: 'forbidden' },
_meta,
Expand Down Expand Up @@ -1094,6 +1101,7 @@ export type RegisteredTool = {
description?: string;
inputSchema?: StandardSchemaWithJSON;
outputSchema?: StandardSchemaWithJSON;
icons?: Icon[];
annotations?: ToolAnnotations;
execution?: ToolExecution;
_meta?: Record<string, unknown>;
Expand All @@ -1109,6 +1117,7 @@ export type RegisteredTool = {
description?: string;
paramsSchema?: StandardSchemaWithJSON;
outputSchema?: StandardSchemaWithJSON;
icons?: Icon[];
annotations?: ToolAnnotations;
_meta?: Record<string, unknown>;
callback?: ToolCallback<StandardSchemaWithJSON>;
Expand Down
Loading