Cuban exiles, paid and directed by agents of the Central Intelligence Agency, engaged over a 10-year period in a series of activities that, while related to foreign affairs, had clearly a domestic character, according to Cuban participants in these actions.

In Miami and elsewhere in the United States, a large group of exiles paid by the CIA were said to have watched over and compiled secret files on other Cubans and on Americans who associated with persons under surveillance.

Other refugees, while being paid by CIA agents, picketed foreign consulates in New York and Miami, and waged a boycott of products manufactured by countries that trade with the government of Premier Fidel Castro, the Cuban informants said. These activities reportedly took place roughly from 1960 to 1970.

Such operations reportedly directed by the intelligence agency were reportedly carried out with the knowledge and consent of the Federal Bureau of Investigation under an interagency agreement worked out in the wake of the Bay of Pigs invasion in 1961. They were conducted in an effort to deal with a special circumstance and apparently were unrelated to the kind of domestic CIA operations against dissidents that have recently come to light.

A spokesman for the Federal Bureau of Investigation said that the agency would have no comment on the allegations. A spokesman for the Central Intelligence Agency could not be reached immediately for comment.

The informants said that by 1972 Central Intelligence operatives severed their last connections with the Cubans, disillusioned by their proteges, some of whom they suspected of being engaged in international drug trafficking.

In the late 1960s, at the height of vigilance operations reportedly supported by the agency in South Florida and several key American cities - among them New York, San Juan, and Los Angeles - about 150 informants were said to be on the payroll of a special Cuban "counterintelligence" office here.

The office, originally in Miami, changed its headquarters several times and was based in Coral Cables, Fort Lauderdale and Pompano Beach.

Cuban informants, who reportedly began their work by conducting intelligence debriefing of refugees arriving in Miami and later switched to watching other refugees living here, were said to have operated surreptitiously. Exiles who picketed foreign consulates and organized boycotts of foreign products did so openly.

Newsletters of several exile organizations, whose members say were supported by the CIA, printed during 1964 pictures of pickets in front of consulates of Britain, Mexico and Spain. in Miami and New York.

A mysterious exile, who died here a year ago at the age of 61, was in charge of the Cuban counterintelligence office. His former associates say the exile, Jose Joaquin Sangenis Perdomo, was following orders of his CIA "case officer," whose code name, they said, was Felix.

In 1964 alone, Cuban refugees who said they were told by their CIA contacts what to do and even what to say on their signs, picketed the British consulate in Miami, protesting the sale of 400 English buses to Cuba; started a boycott of Shell gasoline and Scotch whisky and later a boycott of all British, French and Spanish products; picketed the French consulate in Miami, protesting the sale of French locomotives and trucks to Cuba; picketed the Mexican consulate in Miami; picketed for five consecutive days the British consulate in Miami and later the home of the British consul in Coral Gables, entering his private garden; picketed the Mexican consulate in New York: and picketed a Japanese ship in the port of Miami, attempting to prevent the unloading of her cargo.