Blog: guides, engineering and product updates | Rerun

The latest from the team.

Gumloop Alternatives: 8 Tools Compared, From Flow Builders to 24/7 Agents

Gumloop now bills agents in credits plus an 8% fee and lists workflows as legacy. Here are 8 Gumloop alternatives, sorted by whether you need to build automations or run work 24/7. Read article

How to Build an MCP Server: Step-by-Step Guide with Auth and Security

A hands-on guide to building an MCP server on the July 2026 spec with the v2 Python and TypeScript SDKs: tools, transports, MCP Inspector, OAuth 2.1 and defenses against tool poisoning. Read article

Why Do Multi-Agent LLM Systems Fail? 14 Failure Modes and How to Catch Them

Multi-agent LLM systems fail from design flaws, misalignment between agents and weak verification. Here are all 14 MAST failure modes, how often each happens, and the production signal that catches it. Read article

Best Open Source AI Agents in 2026: OpenClaw, Hermes, OpenHands and More

8 open source AI agents you can run today, from OpenClaw and Hermes Agent to OpenHands and goose, ranked by job and scored on license, setup, model freedom and safety. Read article

LLMOps for AI Agents: How to Run Agents Reliably in Production

LLMOps for AI agents is a five-stage loop: version, release, supervise, budget, respond. Learn how to keep agents reliable in production, with a risk tiering table, an incident runbook and a checklist. Read article

What Is Agentic Coding? How AI Agents Plan, Write and Ship Code

Agentic coding hands an AI agent a task instead of a prompt. Learn how the plan, act, verify loop works, where coding agents fail, what the evidence says about speed, and the controls that make them safe. Read article

Make vs Zapier in 2026: Pricing, AI Features and When an AI Agent Beats Both

Make credits vs Zapier tasks, priced on a real 2026 workflow. Plus Zapier Agents vs Make AI Agents, which tool to pick, and the jobs where an AI agent beats both. Read article

Prompt Injection in AI Agents: Attacks, Real Examples and Defenses That Work

Prompt injection turns AI agents against their owners. Learn direct and indirect attacks, real exploits like EchoLeak and GitHub MCP, and the containment defenses that actually hold up. Read article

Agentic Workflows Explained: Patterns, Examples and When to Use Them

Agentic workflows sit between fixed automations and fully autonomous agents. Learn what they are, the patterns behind them, real examples, and a 5-question checklist for when to use one. Read article

Cursor vs Claude Code: IDE Agent or Terminal Agent? (2026 Comparison)

Cursor vs Claude Code in 2026: an IDE agent you steer diff by diff, or a terminal agent you hand whole tasks to. Features, cloud agents, context, MCP and October 2026 pricing compared, with a clear verdict. Read article

Background Agents: Running AI Agents 24/7 Without You at the Keyboard

Learn how background agents run on schedules and triggers, keep working when your laptop sleeps, and handle recurring business operations safely. Read article

Agent Skills Explained: How Reusable Skills Make AI Agents Reliable

Learn how agent skills package reusable procedures, why progressive disclosure matters, and which controls make skills reliable in production. Read article

Best Zapier Alternatives for AI Agent Automation in 2026

Compare the best Zapier alternatives for workflows, AI agents, self-hosting, and recurring automation, with an honest guide to when you should keep Zapier. Read article