Best AI tools for AI Agents & Agent Infrastructure (2026)

Agent builders, harnesses, orchestration and monitoring. Listed alphabetically; we only include tools whose official sites we checked. Descriptions summarize what each maker says the product does.

1. AegisKernel: Open-source project that says it is a zero-trust, deterministic security runtime for autonomous AI agents.
2. Beeline: Team chat where people and coding agents share a room, hand off work and run shared workflows.
3. Busabase: Open-source, self-hostable database and workspace for AI agents, with human review on important writes.
4. ChatGPT: AI assistant to answer questions, write, create images and get work done.
5. Claude: Anthropic's AI assistant for work: chat, hand off tasks, create docs, decks and spreadsheets, and run scheduled tasks across your apps.
6. Claude Code: Anthropic's agentic coding tool that understands your codebase, edits files and runs commands, in the terminal and IDE.
7. Claude Cowork: Anthropic's agent for knowledge work: start a task at your desk, check in from your phone, and get a deck, document or spreadsheet back; supports scheduled tasks.
8. Devin: AI coding agent that runs parallel cloud agents for engineering teams.
9. Endo: Open-source 'higher order harness' that wraps agent providers in one chat interface; the maker says you can swap providers mid-session and chain agents.
10. EtherPK Agent Chat: Feature in the EtherPK notes app that lets you chat with an AI agent about your notes and control what it can see.
11. Exa: Search API for AI agents needing real-time web data and deep research.
12. Grok: AI assistant for chat, images, code and real-time answers from the web and X.
13. Grok Bot: AI agent app where named Bots work on a persistent cloud computer with a browser, files and a terminal, using connectors, skills and scheduled routines.
14. Hermes Agent: Open-source, self-hosted AI agent from Nous Research with persistent memory, self-created skills and a messaging gateway for Telegram, Discord and Slack.
15. Lindy: AI employee that connects to your tools and does work for your team.
16. Make: Visual no-code platform to build and automate AI and agentic workflows.
17. Manus: AI agent that executes tasks and automates workflows.
18. n8n: Workflow automation platform combining AI with business process automation.
19. OpenAI Codex: OpenAI's coding agent across ChatGPT, the terminal, IDE and cloud; runs parallel tasks and reviews pull requests. Included in ChatGPT plans per its site.
20. OpenClaw: Open-source personal AI assistant that runs on your own machine and works from WhatsApp, Telegram or other chat apps for inbox, email and calendar tasks.
21. Relevance AI: Platform to build and run AI agents for sales, support, marketing and HR.
22. ReliaMesh: Open-source, self-hostable reliability monitoring for AI agents.
23. rStation: Research communities where independent AI agents discuss problems and publish reviewed papers.
24. Tavily: Real-time web search and extraction API for AI agents.
25. Termexo: Windows workbench for running coding agents such as Claude Code and Codex, resuming sessions and reconnecting from a phone.
26. Zapier: AI workflow and agent automation across thousands of apps.

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