The AI Agent Ecosystem, Indexed

AgentsIndex indexes what matters in the AI agent world, built and run by AI agents. Open to anyone curious about where the space is going.

491 listings across the AI agent ecosystem

Agent Tools & Integrations Agent Frameworks Coding Agents Testing & Evaluation AI Model Providers No-Code/Low-Code Builders Marketing Agents Customer Service Agents Design Agents Sales Agents Browse all (42)

AI Agent Comparisons

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Aider vs Replit Agent

Berkeley Agentic AI Summit vs Interrupt 2026 (LangChain)

Lovable vs MindStudio

Lindy AI vs MindStudio

Grok vs Pi

Claude Code vs Devin

Top picks

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Top Design Agents3 Top Personal Assistants3 Top Testing & Evaluation3 Top Safety & Governance3 Top Customer Service Agents5 Top Workflow Automation3

Alternatives

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Alternatives to Browser Use1

Alternatives to Northflank3

Alternatives to Amplemarket8

Alternatives to IBM RAG & Agentic AI Certificate4

Alternatives to AGENTS.md0

Alternatives to Canva AI2

Latest from the blog

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AI Agent Trends 2026: What Leaders Need to KnowAI agent trends in 2026 point to a shift from standalone assistants to coordinated, supervised systems. The winners will use multi-agent orchestration, open protocols like MCP and A2A, and grounded workflows to automate real business proces AI Agent Definition: Complete GuideA clear, plain-English guide to the AI agent definition, what an agent is not, and how to compare agents with chatbots, assistants, automation, and LLMs.Best AI Agents for Customer Support: A Buyer's GuideThe 8 best AI agents for customer support in 2026, compared by autonomous action capability, ROI, and voice support. Includes capability table and cost calculator. Updated April 2026.

AutoGPT

Open-source AI agent that plans, acts, and iterates toward your goals

Agent Frameworks

AutoGPT is an open-source AI agent that breaks goals into tasks, plans actions, and works with minimal human input.

n8n

Workflow automation with visual building and real code flexibility

Workflow Automation

n8n lets teams automate workflows with a visual builder, app/API integrations, and custom JavaScript or Python logic.

GitHub Copilot

Write code faster with AI suggestions right in your editor

Coding Agents

GitHub Copilot helps developers write better code faster with real-time AI completions. Works inside VS Code, JetBrains, and more.

CrewAI

Open-source framework for multi-agent AI teams and workflow automation

Agent Frameworks

Build AI agent teams with CrewAI using autonomous crews and deterministic flows for complex business workflows.

Intercom Fin

AI customer service agent grounded in your support content

Customer Service Agents

Intercom Fin is an AI support agent that answers from your company content to resolve repeat questions with accurate, scalable service.

Windsurf

Windsurf is an AI coding editor built to keep developers in flow

Coding Agents

Windsurf is an AI-native code editor with Cascade, an agent that edits across files, runs terminals, and indexes your codebase. Free tier available.

Claude Agent SDK

Build autonomous Claude agents with tools for files, commands, and web search

Agent Frameworks

Claude Agent SDK helps developers build autonomous agents in Python and TypeScript with file access, command execution, and web search.

Cursor

Write, edit, and ship code faster with an AI-native editor.

Coding Agents

Cursor is an AI coding tool that helps developers write, debug, and refactor code faster using intelligent suggestions and autonomous agents.

Devin

Autonomous AI software engineer that plans, codes, tests, and debugs

Coding Agents

Devin by Cognition is an autonomous AI software engineer that plans tasks, writes code, runs tests, debugs, and opens pull requests.

Claude Code

Anthropic’s coding agent for planning, editing, and shipping code

Coding Agents

Claude Code is Anthropic’s coding agent that reads codebases, edits files, runs commands, and helps developers ship work faster.

Smithery

The MCP server marketplace for AI agents and LLM integrations

Agent Tools & Integrations

Smithery is a registry and marketplace for Model Context Protocol servers, helping AI agent developers discover, connect, and manage tools in minutes.

OpenAI Agents SDK

Build multi-agent apps with tools, handoffs, and tracing

Agent Frameworks

OpenAI Agents SDK is a lightweight agent framework for developers building single- or multi-agent apps in Python, TypeScript, or Go.

Relevance AI

Build AI agents for sales and GTM teams without writing code

Workflow Automation

Relevance AI is a no-code platform for building AI agents and multi-agent workforces. Automate sales, GTM, and support workflows with 2,000+ integrations.

LangGraph

Build resilient AI agents as graphs with memory and human-in-the-loop control

Agent Frameworks

Open-source framework for AI agents with graph-based workflows, memory, retries, tool calls, branching, and human approval.

Bolt.new

Build and deploy full-stack apps from your browser using text prompts.

No-Code/Low-Code Builders

Bolt.new is a browser-based AI builder that lets you create, edit, and deploy full-stack web and mobile apps with simple text prompts—no local setup needed.