mcp-discord/src/errorHandler.ts

80 lines
2.6 KiB
TypeScript

// Discord API error handler for MCP tools
import { ToolResponse } from './tools/types.js';
/**
* A unified error handler for Discord API errors
* @param error - The error object from Discord API calls
* @param clientId - Optional Discord Client ID for custom invite links
* @returns A standard tool response with error message and potential solution
*/
export function handleDiscordError(error: any, clientId?: string): ToolResponse {
// Ensure error is in the expected format for checking
const errorMessage = typeof error === 'string'
? error
: error?.message || String(error);
const errorCode = error?.code;
// Generate invite link based on client ID if provided
const inviteLink = clientId
? `https://discord.com/oauth2/authorize?client_id=${clientId}&scope=bot&permissions=8`
: "https://discord.com/oauth2/authorize?client_id=YOUR_CLIENT_ID&scope=bot&permissions=52076489808";
// Check for privileged intents errors
if (errorMessage.includes('Privileged intent provided is not enabled or whitelisted')) {
return {
content: [{
type: "text",
text: `Error: Privileged intents are not enabled.
Solution: Please enable the required intents (Message Content, Server Members, Presence) in the Discord Developer Portal for your bot application.
For detailed instructions, check the Prerequisites section in our README.`
}],
isError: true
};
}
// Check for unauthorized/bot not in server errors
if (
errorCode === 50001 || // Missing Access
errorCode === 10004 || // Unknown Guild
errorMessage.includes('Missing Access') ||
errorMessage.includes('Unknown Guild') ||
errorMessage.includes('Missing Permissions')
) {
return {
content: [{
type: "text",
text: `Error: The bot is not a member of the target Discord server or lacks required permissions.
Solution: Please add the bot to the target server using this Discord invite link:
${inviteLink}
According to Discord's security model, a bot can only access information from servers it has been explicitly added to.`
}],
isError: true
};
}
// Check for rate limiting
if (errorCode === 429 || errorMessage.includes('rate limit')) {
return {
content: [{
type: "text",
text: `Error: Discord API rate limit reached.
Solution: Please wait a moment before trying again. If this persists, consider spacing out your requests.`
}],
isError: true
};
}
// General error response for other cases
return {
content: [{
type: "text",
text: `Discord API Error: ${errorMessage}`
}],
isError: true
};
}