Encrypted-first embedded database with vector search and agent memory, exposed as MCP tools
Connect Runs on your machine
claude mcp add mcp -e CITADEL_KEY=<CITADEL_KEY> -- uvx citadeldb-mcp==2.7.0
{
"mcpServers": {
"mcp": {
"command": "uvx",
"args": [
"citadeldb-mcp==2.7.0"
],
"env": {
"CITADEL_KEY": "<CITADEL_KEY>"
}
}
}
}
{
"mcpServers": {
"mcp": {
"command": "uvx",
"args": [
"citadeldb-mcp==2.7.0"
],
"env": {
"CITADEL_KEY": "<CITADEL_KEY>"
}
}
}
}
{
"servers": {
"mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"citadeldb-mcp==2.7.0"
],
"env": {
"CITADEL_KEY": "<CITADEL_KEY>"
}
}
}
}
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 |
|---|---|
CITADEL_KEYRequired, secret | Passphrase used to unlock the encrypted Citadel database |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 28 Sep 2026 |
| Last updated | 28 Sep 2026 |
| Registry name | dev.citadeldb/mcp |
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