Hark proactive personal agent for errands via computer use
Hark's Handoff computer-use agent shops, books travel, orders food and runs errands; launched free Oct 6, 2026.
This page collects 6 real-world use cases of AI agents for customer service. 4 are verified by a production case study or reproducible demo; 2 are unverified reports or concepts, and they are labeled as such. The most common autonomy level here is Level 3 (Conditional): autonomous within guardrails; humans handle exceptions. Industries covered include Retail & E-commerce, Software & Technology, Financial Services and Healthcare. Vendors and tools mentioned include Hark, Instinct, Intercom and OpenAI. Each entry lists the workflow, tools, human-in-the-loop points and risks, and shows outcomes only when a source reports them, with a link to that source.
Hark's Handoff computer-use agent shops, books travel, orders food and runs errands; launched free Oct 6, 2026.
Instinct's personal agent handles customer service on users' behalf, now negotiating directly with Sierra and Decagon business agents.
Fin (Claude-powered) answers and resolves support queries for 25,000+ Intercom customers; named examples Synthesia, Fundrise, Lightspeed (reported by Anthropic/Intercom)
OpenAI-powered assistant handles refunds, returns, disputes and payment queries in 35+ languages (reported by Klarna)
Sierra-led open protocol lets personal agents discover companies, sign users in, and complete tasks via APIs or company agents; partners incl. Meta, Shopify, Stripe, Walmart.
Sierra AI agent handles WeightWatchers member care in-app with access to back-end systems.