Discogs MCP Server

Instructions

Implementation Reference

• src/tools/userWantlist.ts:48-63 (handler)

  Defines and implements the 'edit_item_in_wantlist' MCP tool handler, which invokes the UserService to edit a wantlist item.

  export const editItemInWantlistTool: Tool<FastMCPSessionAuth, typeof UserWantlistItemParamsSchema> =
    {
      name: 'edit_item_in_wantlist',
      description: `Edit a release in a user's wantlist`,
      parameters: UserWantlistItemParamsSchema,
      execute: async (args) => {
        try {
          const userService = new UserService();
          const wantlistItem = await userService.wants.editItem(args);
  
          return JSON.stringify(wantlistItem);
        } catch (error) {
          throw formatDiscogsError(error);
        }
      },
    };

• src/types/user/wants.ts:31-36 (schema)

  Zod schema defining the input parameters for editing an item in a user's wantlist, including username, release ID, notes, and rating.

  export const UserWantlistItemParamsSchema = UsernameInputSchema.merge(
    ReleaseIdParamSchema.extend({
      notes: z.string().optional(),
      rating: z.number().int().min(0).max(5).optional(),
    }),
  );

• src/tools/userWantlist.ts:87-92 (registration)

  Registers the 'edit_item_in_wantlist' tool (and related wantlist tools) with the FastMCP server.

  export function registerUserWantlistTools(server: FastMCP): void {
    server.addTool(getUserWantlistTool);
    server.addTool(addToWantlistTool);
    server.addTool(editItemInWantlistTool);
    server.addTool(deleteItemInWantlistTool);
  }