Local-first RAG engine with MCP server for AI agent integration.
Connect Runs on your machine
claude mcp add darwin-rag -e OPENAI_API_KEY=<OPENAI_API_KEY> -e ANTHROPIC_API_KEY=<ANTHROPIC_API_KEY> -e GEMINI_API_KEY=<GEMINI_API_KEY> -e DARWIN_BASE_DIR=<DARWIN_BASE_DIR> -- uvx darwin-rag==0.2.18
{
"mcpServers": {
"darwin-rag": {
"command": "uvx",
"args": [
"darwin-rag==0.2.18"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
"GEMINI_API_KEY": "<GEMINI_API_KEY>",
"DARWIN_BASE_DIR": "<DARWIN_BASE_DIR>"
}
}
}
}
{
"mcpServers": {
"darwin-rag": {
"command": "uvx",
"args": [
"darwin-rag==0.2.18"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
"GEMINI_API_KEY": "<GEMINI_API_KEY>",
"DARWIN_BASE_DIR": "<DARWIN_BASE_DIR>"
}
}
}
}
{
"servers": {
"darwin-rag": {
"type": "stdio",
"command": "uvx",
"args": [
"darwin-rag==0.2.18"
],
"env": {
"OPENAI_API_KEY": "<OPENAI_API_KEY>",
"ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
"GEMINI_API_KEY": "<GEMINI_API_KEY>",
"DARWIN_BASE_DIR": "<DARWIN_BASE_DIR>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
OPENAI_API_KEYOptional, secret | OpenAI API key for LLM answer generation |
ANTHROPIC_API_KEYOptional, secret | Anthropic API key for LLM answer generation |
GEMINI_API_KEYOptional, secret | Google Gemini API key |
DARWIN_BASE_DIROptional | Override the base data directory |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 26 Aug 2026 |
| Last updated | 26 Aug 2026 |
| Registry name | io.github.Brightdotdev/darwin-rag |
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