Citadel
Rank #25,422dev.citadeldb/mcp
Encrypted-first embedded database with vector search and agent memory, exposed as MCP tools
Citadel is a Model Context Protocol (MCP) server published by yp3y5akh0v. It ranks #25,422 of 137,492 servers tracked on MCP Toplist, and its repository has 3 GitHub stars. Citadel is listed across 3 registries — Official MCP, PulseMCP and Glama, with 14 tracked versions. It was first listed on Jun 30, 2026 and most recently updated on Sep 28, 2026.
Ranks ahead of 112,070 of 137,492 servers on MCP Toplist.
Use Citadel
Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.
claude mcp add citadeldb -e "CITADEL_KEY=<your CITADEL_KEY>" -- uvx citadeldb-mcp --db --embedderReplace each placeholder with your own value before saving.
[mcp_servers.citadeldb]
command = "uvx"
args = ["citadeldb-mcp", "--db", "--embedder"]
[mcp_servers.citadeldb.env]
CITADEL_KEY = "<your CITADEL_KEY>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"citadeldb": {
"command": "uvx",
"args": [
"citadeldb-mcp",
"--db",
"--embedder"
],
"env": {
"CITADEL_KEY": "<your CITADEL_KEY>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"citadeldb": {
"command": "uvx",
"args": [
"citadeldb-mcp",
"--db",
"--embedder"
],
"env": {
"CITADEL_KEY": "<your CITADEL_KEY>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"citadeldb": {
"type": "stdio",
"command": "uvx",
"args": [
"citadeldb-mcp",
"--db",
"--embedder"
],
"env": {
"CITADEL_KEY": "<your CITADEL_KEY>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"citadeldb": {
"command": "uvx",
"args": [
"citadeldb-mcp",
"--db",
"--embedder"
],
"env": {
"CITADEL_KEY": "<your CITADEL_KEY>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"citadeldb": {
"command": "uvx",
"args": [
"citadeldb-mcp",
"--db",
"--embedder"
],
"env": {
"CITADEL_KEY": "<your CITADEL_KEY>"
}
}
}
}Replace each placeholder with your own value before saving.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/dev.citadeldb%2Fmcp)<a href="https://mcptoplist.com/server/dev.citadeldb%2Fmcp"><img src="https://mcptoplist.com/badge/dev.citadeldb%2Fmcp.svg" alt="MCP Toplist: Top 25% of 137,492" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 3 registries
yp3y5akh0v
Available versions (14)
| Version | Published |
|---|---|
| 2.7.0 | Sep 28, 2026 |
| 2.6.1 | Sep 25, 2026 |
| 2.6.0 | Sep 24, 2026 |
| 2.5.0 | Sep 13, 2026 |
| 2.4.0 | Sep 12, 2026 |
| 2.3.0 | Sep 7, 2026 |
| 2.2.0 | Sep 3, 2026 |
| 2.1.0 | Aug 31, 2026 |
| 2.0.0 | Aug 19, 2026 |
| 1.15.0 | Aug 10, 2026 |
| 1.14.0 | Aug 7, 2026 |
| 1.13.0 | Jul 9, 2026 |
| 1.12.0 | Jul 4, 2026 |
| 1.11.0 | Jul 3, 2026 |
Frequently asked questions
- Who maintains Citadel?
- Citadel is maintained by yp3y5akh0v, which publishes 1 MCP server (14 total versions) tracked on MCP Toplist.
- Is Citadel listed on the Official MCP Registry?
- Yes — Citadel is listed on the Official MCP Registry, alongside PulseMCP and Glama.
- How many versions does Citadel have?
- MCP Toplist tracks 14 versions of Citadel, most recently published on Sep 28, 2026.
- Where can I find the source code for Citadel?
- The source code for Citadel is hosted at github.com/yp3y5akh0v/citadel/tree/HEAD/crates/citadel-mcp.
Do you run this server?
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