ACI.dev MCP
Unified MCP Server with 600+ Plug-and-Play Tools
Install & Use
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This Skill addresses the fragmentation of tool integration in AI agent development. In practice, AI agents often need to call dozens of external services like calendars, email, and databases, typically requiring separate OAuth flows and API clients for each service, leading to high maintenance costs. ACI.dev MCP solves this by encapsulating 600+ pre-integrated tools behind a unified interface, offering multi-tenant authentication, fine-grained permissions, and dynamic tool discovery. This allows AI agents to securely call all tools with a single configuration.
Usage is straightforward: simply install ACI.dev's Python SDK or configure its MCP server in your project. Then, you can instruct your AI agent via natural language to call any authorized tool, e.g., "Help me check next week's Google Calendar schedule and send a meeting invitation." The system automatically handles authentication, permission validation, and tool routing, freeing developers from underlying implementation details.
It's ideal for AI agent development teams or individuals who frequently integrate external services. This is especially true for those already using IDEs like Claude or Cursor that support the MCP protocol, or backend developers building multi-tenant AI applications. For teams needing to quickly validate product prototypes, it significantly reduces toolchain setup time.
We recommend teams standardize on this tool as an MCP gateway to avoid each member configuring different tools separately. Note that it's primarily designed for AI agent scenarios, not as a general-purpose API gateway. Some tools (e.g., enterprise SaaS) may require additional OAuth scope configuration, so planning your permission model in advance is advised.
Key Features
Unlike configuring individual MCP tools separately (e.g., using mcp-server-google-calendar directly), ACI.dev provides unified multi-tenant authentication and permission management, with 600+ tools pre-configured out-of-the-box, eliminating the need to write OAuth and API clients for each one.
Limitations
Currently, it primarily relies on the Python SDK or MCP protocol, requiring a Node.js or Python 3.8+ environment. Some third-party tools (e.g., Slack, Notion) require users to manually complete the OAuth authorization flow.
FAQ
How can I add custom tools that are not pre-configured?
You can add them by writing a custom MCP server or directly using ACI.dev's SDK extension interface. Please refer to the plugin development guide in the documentation for specifics.
Is private/on-premises deployment supported?
Yes. ACI.dev is an open-source project. You can clone the repository and deploy it yourself, keeping all data on your own servers.
Installation guide for AI assistants
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