Slack MCP Server

Instructions

Implementation Reference

• src/tools/channels.ts:56-69 (handler)

  The main handler function that executes the archiving of a Slack channel using the conversations.archive API after parsing and validating the input arguments with archiveChannelSchema.

  export async function archiveChannel(client: SlackClientWrapper, args: unknown) {
    const params = archiveChannelSchema.parse(args);
  
    return await client.safeCall(async () => {
      await client.getClient().conversations.archive({
        channel: params.channel,
      });
  
      return {
        ok: true,
        channel: params.channel,
      };
    });
  }

• src/utils/validators.ts:27-29 (schema)

  Zod schema defining the input validation for the archive_channel tool, requiring a valid channel ID.

  export const archiveChannelSchema = z.object({
    channel: channelIdSchema,
  });

• src/index.ts:418-418 (registration)

  Registers the handler for the 'archive_channel' tool in the toolHandlers map, delegating to the archiveChannel function from channelTools with the Slack client.

  archive_channel: (args) => channelTools.archiveChannel(slackClient, args),

• src/index.ts:106-119 (registration)

  Registers the 'archive_channel' tool in the tools list for the list_tools MCP request, providing name, description, and input schema for discovery.

  {
    name: 'archive_channel',
    description: 'Archive a channel',
    inputSchema: {
      type: 'object',
      properties: {
        channel: {
          type: 'string',
          description: 'Channel ID to archive',
        },
      },
      required: ['channel'],
    },
  },