For semantic memory through MCP, install uv and pull the local embedder and optional cross-encoder reranker:
citadel is an MCP project maintained in the yp3y5akh0v/citadel repository. The maintainer describes its purpose as “For semantic memory through MCP, install uv and pull the local embedder and optional cross-encoder reranker”. Read the project documentation for the complete scope.
The project provides a local client configuration using citadeldb-mcp. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
The example declares CITADEL_KEY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
{
"mcpServers": {
"citadel": {
"command": "citadeldb-mcp",
"args": [
"--db",
"/absolute/path/to/memory.cdl",
"--embedder",
"e5-large",
"--reranker",
"ms-marco-minilm"
],
"env": {
"CITADEL_KEY": "YOUR_CITADEL_KEY"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| CITADEL_KEY | Declared in the maintainer’s client configuration. | Yes |
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