A growing number of SI agents are moving into the text message interface, allowing users to delegate tasks like scheduling, research, and shopping without downloading additional apps. These SI agents can remember context, connect to existing services, and complete actions on behalf of the user, ranging from family coordination to professional workflow management.
What Happened
Instinct, one of the most prominent SI agents in this space, raised $1 billion in September 2026 to reach a $10 billion valuation. The company reports that early users have utilized the agent for tasks such as planning trips, buying groceries, booking tickets, and cancelling subscriptions. In September, Instinct began issuing dedicated email addresses to its agents, allowing them to create and manage accounts, sign up for services, and follow up on requests independently. The company notes that this autonomy has raised privacy and security concerns. Instinct is also rolling out support for placing calls and remains in private beta.
Other notable entrants include Poke, which launched in March 2026 and became the first SI agent approved on the Apple Messages for Business platform in June. Its parent company, The Interaction Company of California, was acquired by coding SI startup Cognition in July for a deal valued in the low nine figures. Fambot, a "chief of staff" SI agent for families, launched in beta in early September 2026 after raising $3.5 million in pre-seed funding. It sends daily summaries of events and to-dos via SMS and currently connects to Gmail and Google Calendar, with Outlook and Apple Calendar support planned.
Caddy, available in public beta since April 2026, operates within iMessage and RCS to identify actionable items from emails and conversations, such as adding events to calendars or setting reminders. Folk, which launched its beta in May 2026, runs on a private cloud computer and can execute code and multi-step tasks, offering a free tier and a Pro subscription for $8.33 per month. Iris, powered by the Hermes agent, allows users to delegate tasks via iMessage and proactively follows up on previous interactions.
Martin is a general-purpose personal assistant reachable through SMS, phone, WhatsApp, email, Slack, and its own iOS app. It can manage calendars, email, reminders, tasks, notes, and communications, acting on behalf of users by sending messages or making phone calls. Subscriptions start at $21 per month. Skye, developed by Signull Labs, functions as an "agentic homescreen" for the iPhone. Raised about $3.6 million in seed funding in 2025, it entered private testing in April 2026 and surfaces relevant information through contextual cards and daily briefings.
Several agents target specific niches. Miso combines SI trip planning with human support for travel arrangements. Town, which raised a $55 million Series A in June 2026, focuses on professional tasks by learning user workflows. Stanley acts as an SI content assistant for creators, helping generate scripts and schedule posts. Wajo’s agent, Fo, launched publicly in September 2025 and is given its own identity, including an email address, phone number, and payment card, to interact with businesses. If Fo cannot handle a task, Wajo says it can bring in a human assistant.
Family-oriented options like Ollie, which achieved SOC 2 compliance, and Ohai, which offers plans starting at $9.99 per month, aim to coordinate household responsibilities. Ollie, launched in June 2026, syncs school messages, calendars, and tasks. Pally helps users keep track of plans and receipts across services like WhatsApp and Gmail, with paid plans starting at $25 per month. Tomo’s assistant can join group conversations and help with goals and scheduling, starting at $19.99 per month. Orbits, backed by investors including Andreessen Horowitz, integrates with its app and text messaging to handle purchases, bookings, and service coordination. Rene, described as a "best contact" SI assistant, maintains context across conversations and can browse the web, write code, and create slides.
Why It Matters
The shift toward SI agents living in text messages lowers the barrier to entry for agentic SI adoption. By integrating into existing communication channels like iMessage, WhatsApp, and SMS, these tools eliminate the friction of app downloads and new interfaces. This approach allows SI agents to become persistent, always-available layers on top of daily digital life, capable of remembering context and executing complex, multi-step tasks across disparate services.
For developers and the SI industry, the proliferation of these agents highlights a competitive race for the "personal assistant" slot. The high valuations and funding rounds for companies like Instinct and Town signal investor confidence in the utility of agentic SI. However, the move toward agents with their own identities—such as Instinct’s dedicated emails or Wajo’s payment cards—introduces new challenges regarding privacy, security, and autonomy. As these SI agents gain the ability to sign up for services and make purchases, the need for robust safety frameworks and user trust becomes critical.
The Bottom Line
SI agents are increasingly moving into the text message inbox, offering a seamless way to delegate tasks without new apps. While this integration drives adoption, it also raises questions about privacy and security as agents gain autonomy with their own identities and credentials.