Guides

Side-by-side comparisons, best-of lists and migration guides for building with AI agents. Every guide links to hand-checked listings in the Swarmnest directory, with facts and prices checked against each provider's own pages.

Alternatives and Migrations

Where to move when a tool shuts down or changes, with step-by-step migration help.

Smithery Alternatives

Smithery's hosted MCP proxy, CLI and API stop on Oct 31, 2026. How to migrate, plus 12 registries and hosts compared.

Oct 31 Deadline

OpenAI Agent Builder Alternatives

Agent Builder shuts down Nov 30, 2026. How to export your workflows, and visual builders and SDKs to move to.

Nov 30 Deadline

MCP Servers

Which Model Context Protocol servers to install, and how to set them up.

Best MCP Servers for Claude Code and Cursor

14 official MCP servers worth installing for coding agents, with the exact URL or command for each.

Agent Memory

Memory layers that let agents remember users and facts across sessions.

Mem0 vs Zep vs Letta

How the three best-known agent memory layers differ in design, open source, self-hosting and price.

Agent Frameworks

Frameworks and SDKs for building single agents and multi-agent systems.

CrewAI vs LangGraph vs AutoGen

Which multi-agent framework to pick in 2026, now that AutoGen is in maintenance mode.

Browser Automation

Libraries, cloud browsers and MCP servers that let agents use the web.

Browser Automation Tools for AI Agents

Playwright, Browser Use, Stagehand, Browserbase, Steel and more: libraries, cloud browsers and MCP servers side by side.

Agent Skills

Working with skills, plugins and rules for Claude, Codex, Cursor and more.

Migrate a Custom GPT to a Skill

Custom GPTs retire on Dec 11, 2026. Here is what moves, what does not, and how to rebuild yours as a skill or plugin.

Want a comparison we have not covered? Email [email protected].