aci
ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. The birthplace of VibeOps.
Compatibility Index
LLM Frameworks
Framework AgnosticVerified via documentation
AI Agents
Compatible with AnyVerified via documentation
Agentic IDEs
Compatible with AnyVerified via documentation
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Why use AgentIndex?
AgentIndex is the definitive directory for AI Agents, MCP Servers, and developer tools. We curate high-quality, open-source resources to help developers build the next generation of AI applications. Whether you are looking for autonomous agents, RAG frameworks, or IDE rules for Cursor and Windsurf, AgentIndex provides a centralized, searchable database to accelerate your development workflow.
What are MCP Servers?
The Model Context Protocol (MCP) is an open standard that enables AI models to securely interact with external data and tools. MCP Servers act as bridges, allowing Large Language Models (LLMs) like Claude and Gemini to access local files, databases, and APIs without direct integration. AgentIndex lists hundreds of ready-to-use MCP servers to enhance your AI's capabilities and context awareness.