PageIndex

Vectorless RAG system that builds hierarchical tree indexes from documents and uses LLM reasoning for context-aware retrieval, eliminating vector databases and chunking. Exposes an MCP server for agent integration and supports multi-LLM backends via LiteLLM.

Connects to: OpenAI Agents SDK, Claude, LiteLLM, MCP clients · · MIT 34,522★

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/VectifyAI/PageIndex
• This harness as JSON: /api/harnesses/pageindex
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay