# Citadel

> Use this tool when you need to securely store and manage sensitive data with advanced search capabilities, solving problems related to data encryption, information retrieval, and agent knowledge management. Citadel provides an encrypted-first approach with vector search and agent memory, accepting data inputs and outputting secure, relevant results. Ideal for applications requiring robust data protection and intelligent information retrieval.

Canonical page: https://skillsregistry.net/skills/dev-citadeldb-mcp  
JSON: https://api.skillsregistry.net/v1/skills/dev-citadeldb-mcp

## Description

Encrypted-first embedded database with vector search and agent memory, exposed as MCP tools

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** unverified

## Facts

- **Version:** 1.11.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-07-05

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/dev.citadeldb%2Fmcp)
- **Repository:** <https://github.com/yp3y5akh0v/citadel>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "dev-citadeldb-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/dev-citadeldb-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/dev-citadeldb-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt