Hindsight memory
Skill vectorize-io/hindsight/hindsight-integrations/agent-plugin/skills/hindsight-memory
Hindsight: Agent Memory That LearnsFrom the repository description
npx -y skills add vectorize-io/hindsight --skill hindsight-memoryAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.