# haiku.rag (MCP server)

> haiku.rag is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Local-first agentic RAG with citations - hybrid search, reranking, multimodal document retrieval. It has 622 GitHub stars, is released under the MIT license and runs locally with uvx haiku-rag.

Agentic RAG that answers questions about your own documents with citations to page numbers and section headings. It runs on an embedded LanceDB database with open models through Ollama by default, so no server or API key is needed. Any provider Pydantic AI supports works in their place, and the same database can live on S3, GCS, Azure or LanceDB Cloud.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/ggozad/haiku.rag |
| GitHub stars | 622 |
| License | MIT |
| Language | Python |
| Transport | stdio |
| Packages | pypi: haiku-rag |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | AI & search |
| Latest release | 0.93.0 (Oct 6, 2026) |
| Last commit | Oct 6, 2026 |
| MCP registry name | io.github.ggozad/haiku-rag |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "haiku-rag": {
      "command": "uvx",
      "args": [
        "haiku-rag"
      ]
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --transport stdio haiku-rag -- uvx haiku-rag
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "haiku-rag": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "haiku-rag"
      ]
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "haiku-rag": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "haiku-rag"
      ]
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

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---

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