Best ai agents tools

FetchSandbox: API Testing Tool That Remembers What Breaks

API integration testing that verifies webhooks, retries, and failure scenarios.

Fabraix: Adversarial Testing for AI Agent Security

Find security vulnerabilities in AI agents through adversarial testing.

Osaurus: Open Source AI Agents for Local macOS Execution

Open source AI agents that run 100% locally on your Mac with persistent memory and autonomous execution.

NoMac.app: Headless iOS App Publishing for AI Agents

Publish iOS apps from AI agents without a Mac or Xcode

Loomal: Monetize AI Agent Transactions with Zero Revenue

Monetize your digital products for AI agents with instant USDC payments and no revenue share.

Hermes Agent: AI Assistant for Developers with Persistent

A standalone terminal app and native application for macOS, Windows, and Linux that grows with you.

eve: Next.js for AI Agents - Build Durable Agents Fast

Build durable AI agents with one folder, like Next.js for agents.

langchain: OpenWiki CLI: AI-Powered Code Documentation &

CLI tool that automatically writes and maintains documentation for codebases using AI agents

Claude Code Sends 4.7x More Tokens Than : Claude Code vs

Benchmarking token efficiency between Claude Code and OpenCode for AI agent operations

Migrating a production AI agent to GPT: GPT-5.6 Migration

A practical guide for migrating AI agents from Claude Opus to GPT-5.6 Sol