The Agent Loop, Explained: Plan, Act, Observe, Evaluate
An AI agent isn't one clever answer. It's a loop: plan, act, observe, evaluate. Watch the agent loop run as an interactive machine you can step through.
The AGNT Journal · AI Agents
AI Agents
Guides and deep dives on building, running and improving AI agents — architectures, skills and the practical craft.
Agents
Agents
$0.99 per outcome: notes on AI agent business ideas
AI agent business ideas for 2026, sorted by how they get paid, with verified adoption, token-cost and cancellation data, and a 20-job test before you price.
Agents
AI Agents for Small Business: 10 Bottlenecks They Remove (and 3 They Don't)
A practical guide to AI agents for small business: ten everyday bottlenecks agents can take off an owner's plate, what each costs to run, where to keep a human, and what adoption data says.
Agents
How AI Agents Work: The Loop, the Tools and the Harness Around Them
How AI agents actually work, step by step: the model, the tool loop, memory, stopping conditions and the harness that makes it safe, with sources from Anthropic, OpenAI and the ReAct paper.
Agents
The 12 Best AI Agent Platforms in 2026
The best AI agent platforms in 2026 for building and running agents: AGNT, n8n, Dust, Lindy, Gumloop, Relevance AI, Microsoft Copilot Studio, Zapier, Make, Dify and more.
Agents
The 12 Best Free AI Agents in 2026 (Actually Free)
The best free AI agents in 2026, and what "free" really means for each: open-source licence, free tier limits, and the model bill you still pay. Honest picks with sources.
Agents
The 14 Best MCP Clients in 2026
The best MCP clients in 2026 compared: Claude, ChatGPT, VS Code, Cursor, Codex, Gemini CLI, LM Studio, Goose, Cline, AGNT and more, by transport, local-model support and cost.
Agents
The 11 Best Ollama GUIs in 2026 (Web, Desktop and Mobile)
The best Ollama GUIs and front ends in 2026: Open WebUI, AnythingLLM, LibreChat, Lobe Chat, Msty, Cherry Studio, Chatbox, Enchanted, Page Assist, AGNT and more, compared.
Agents
The 10 Best OpenClaw Alternatives in 2026
The best OpenClaw alternatives in 2026, sorted by why you are leaving: security isolation, a lighter footprint, zero setup, a visual workflow canvas or team features. With sources.
Agents
The 11 Best Personal AI Agents in 2026
The best personal AI agents in 2026 compared honestly: OpenClaw, Hermes Agent, Meta Muse, Vellum, Claude, Lindy, AGNT and more, with where each runs and what it costs.
Agents
100 AI Automation Ideas You Can Build in 2026
100 practical AI automation ideas with triggers, actions, outputs, human checkpoints, build components, effort, and risk.
Agents
The 100 Best AI Agent Tools in 2026
100 AI agent tools grouped by capability, with each tool’s function, agent use case, constraint, and direct first-party source.
Agents
The 100 Best Claude Code Skills in 2026
100 Claude Code skills and skill-bearing plugins, verified against Anthropic docs and public repos, with install and security notes.
Agents
The 100 Best MCP Servers in 2026: The Definitive Guide
100 MCP servers grouped by job, with direct source links, selection advice, setup examples, and security notes for AI agents.
Agents
The 100 Best AI Agent Prompts and Templates in 2026
100 copyable AI agent prompt templates with required inputs, output contracts, tool rules, stop conditions, and failure checks.
Agents
75 Real-World AI Agent Use Cases in 2026
75 AI agent use cases with autonomy loops, tools, human controls, failure modes, risk tiers, and cited deployed examples.
Agents
The 50 Best AI Agent Frameworks in 2026: Compared
50 AI agent frameworks compared by language, orchestration model, best fit, limits, deployment style, and primary documentation.
Agents
The 50 Best Local AI Agents in 2026
50 local and self-hosted AI agents compared by execution, model, storage, telemetry, platform, license, and practical limits.
Agents
The 50 Best Open-Source and Source-Available AI Agents in 2026
50 open-source and source-available AI agents compared by license, deployment, capabilities, fit, limits, and source access.
Agents
The 100 Best AI Agent Skills in 2026: The Definitive Guide
A comprehensive, research-backed guide to the 100 most powerful AI agent skills across 12 categories — from coding and design to security, finance, and full-stack automation. Curated from 5,200+ community skills, GitHub repositories, enterprise deployments, and expert sources.
Agents
The Complete Guide to AI Agent Architectures in 2026
From single-agent loops to multi-agent orchestration — a deep dive into every architecture pattern powering today's most capable AI systems.
Agents
Building Autonomous Agents with the AGNT API
A technical guide to designing and deploying autonomous AI agents using the AGNT API, covering endpoint integration, architecture patterns, and real-world implementation.
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Skills reference
Browse the downloadable AI agent skills reference alongside the agent guides.