---
title: "Comma Blog"
description: "Engineering notes and news from the team building Comma."
url: https://comma.surf/blog
language: en
---

# Blog

Engineering notes and news from the team building Comma.

November 1, 2026

## [A brief history of single-session agents](https://comma.surf/blog/a-brief-history-of-single-session-agents)

One persistent main session, independent Workers, and the engineering behind a team-wide conversation.

October 31, 2026

### [Hosted vs Self-Hosted Personal Agents: Who Runs What?](https://comma.surf/blog/hosted-vs-self-hosted-personal-agent)

October 30, 2026

### [How an Always-On Personal Agent Keeps Long-Term Work Moving](https://comma.surf/blog/how-an-always-on-personal-agent-keeps-long-term-work-moving)

October 29, 2026

### [When Should an Always-On Personal Agent Wake Up?](https://comma.surf/blog/when-should-an-always-on-personal-agent-wake-up)

October 28, 2026

### [Keep your iPhone photos local, and let Comma find them](https://comma.surf/blog/local-iphone-photo-search)

October 28, 2026

### [What's an Always-On AI Agent?](https://comma.surf/blog/what-is-an-always-on-ai-agent)

October 27, 2026

### [Personal Agent vs AI Assistant: What Is the Difference?](https://comma.surf/blog/personal-agent-vs-ai-assistant)

October 26, 2026

### [What's a Personal Agent? The AI That Keeps Working](https://comma.surf/blog/what-is-a-personal-agent)

October 20, 2026

### [Meet Comma: the personal agent that carries work to done](https://comma.surf/blog/meet-comma-personal-agent)

October 19, 2026

### [Native SSH for Comma agents](https://comma.surf/blog/native-ssh)

October 1, 2026

### [Programmable event loops for our distributed agent harness](https://comma.surf/blog/agent-programmable-event-loops)

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