HTTP MCP server for S3 documentation with RAG using HNSWLib and Ollama
HTTP MCP server for S3 documentation with RAG using HNSWLib and Ollama
A lightweight Model Context Protocol (MCP) server that brings RAG (Retrieval-Augmented Generation) capabilities to your LLM over Markdown documentation stored on S3.
It's the sweet spot between simplicity and performance for RAG applications.
nomic-embed-text model - OpenAI API Key (for cloud-based embeddings) - Node.js >= 18 (if running from source) OR Docker (recommended) - S3-compatible storage (AWS S3, MinIO, Scaleway, Cloudflare R2, etc.)Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| search_documentation | Returns relevant document chunks with similarity scores and sources. |
| refresh_index | Synchronizes the documentation index with S3, detecting new, modified, or deleted files. |
| get_full_document | Retrieves the complete content of a Markdown file from S3 along with metadata: - **Full S3 key**: The document's S3 identifier - **Complete Markdown content**: Entire document (not chunked) - **Metadata**: Size in bytes, |
nomic-embed-text model - OpenAI API Key (for cloud-based embeddings) - Node.js >= 18 (if running from source) OR Docker (recommended) - S3-compatible storage (AWS S3, MinIO, Scaleway, Cloudflare R2, etc.)| Variable | Description | Required |
|---|---|---|
| OLLAMA_BASE_URL | Endpoint or connection string the server talks to. | Yes |
| S3_ACCESS_KEY_ID | Credential the server authenticates with. | Yes |
| S3_SECRET_ACCESS_KEY | Credential the server authenticates with. | Yes |
| OPENAI_API_KEY | Credential the server authenticates with. | Yes |
| MCP_API_KEY | Credential the server authenticates with. | Yes |
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