import { ErrorCode, McpError } from '@modelcontextprotocol/sdk/types.js';
import { getLinearClient } from '../../utils/linear-client.js';
import { defineTool } from '../shared/tool-definition.js';
import { z } from 'zod';
// LabelListSchema is now defined locally
const LabelListSchema = {
teamId: z.string().describe('The UUID of the team to retrieve labels for'),
};
import { mapLabelToOutput, getAvailableTeamsMessage } from './shared.js';
export const listIssueLabelsTool = defineTool({
name: 'list_issue_labels',
description: 'List available issue labels in a Linear team',
inputSchema: LabelListSchema,
handler: async ({ teamId }) => {
const linearClient = getLinearClient();
try {
const team = await linearClient.team(teamId);
if (!team) {
const availableTeamsMessage = await getAvailableTeamsMessage(linearClient);
throw new McpError(
ErrorCode.InvalidParams,
`Team with ID '${teamId}' not found when trying to list labels.${availableTeamsMessage}`,
);
}
const labels = await team.labels();
return {
content: [
{
type: 'text',
text: JSON.stringify(labels.nodes.map(mapLabelToOutput)),
},
],
};
} catch (error: unknown) {
const err = error as { message?: string };
throw new McpError(
ErrorCode.InternalError,
`Failed to list issue labels: ${err.message || 'Unknown error'}`,
);
}
},
});
