About Atlas Index

Atlas Index is the search engine and reputation layer for the AI agent ecosystem. We index every type of AI tool and agent into a single scored directory — making it easy to discover, compare, and trust the capabilities that power AI workflows.

What We Index

MCP

MCP Servers

Model Context Protocol servers that extend AI assistants with tools and data access.

A2A

A2A Agents

Agent-to-Agent protocol services that enable multi-agent collaboration.

API

OpenAPI Endpoints

REST APIs with OpenAPI specifications for structured tool calling.

Skill

Skills & Prompt Templates

Reusable prompt templates and skills for common AI workflows.

AGENTS

AGENTS.md Files

Agent capability declarations from open-source repositories.

LC

LangChain & CrewAI Tools

Tools and integrations from the LangChain and CrewAI ecosystems.

What We Do

  • Search — Find AI tools by keyword, category, protocol, or health status across tens of thousands of indexed listings.
  • Atlas Score — Every listing gets an Atlas Score (0-100) combining quality, health, and trust signals into one authoritative rating.
  • Health Monitoring — Automated endpoint checks track uptime and response times across the ecosystem.
  • API & MCP Server — Integrate Atlas search into your AI workflows via our REST API or MCP server.

For Developers

If you maintain an MCP server, A2A agent, or any AI tool, you can claim your listing to add documentation, pricing, screenshots, and example prompts. Claimed listings rank higher in search results and build trust with users.