aisuite

Lightweight Python SDK providing a unified OpenAI-style interface across multiple LLM providers, with a formal Agents API supporting tool calling, state persistence, and MCP integration. Agents use it to switch seamlessly between models from OpenAI, Anthropic, Google, Mistral, and others without changing code.

Connects to: OpenAI, Anthropic, Google Gemini, Mistral, Groq, Ollama, MCP · · MIT 15,592★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/andrewyng/aisuite
• This harness as JSON: /api/harnesses/aisuite
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay