io.github.Declade/lucairn-mcp-server

io.github.Declade/lucairn-mcp-server

Pseudonymizes PII before your LLM and returns a cryptographically signed receipt per response.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "lucairn-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@lucairn/mcp-server@1.2.9"
      ],
      "env": {
        "LUCAIRN_API_KEY": "<your LUCAIRN_API_KEY>",
        "ANTHROPIC_API_KEY": "<your ANTHROPIC_API_KEY>",
        "OPENAI_API_KEY": "<your OPENAI_API_KEY>"
      }
    }
  }
}
Environment variables
  • LUCAIRN_API_KEYrequiredsecretLucairn gateway API key (lcr_live_*). Issued at https://lucairn.eu/account/keys. Free tier requires BYOK upstream LLM keys (ANTHROPIC_API_KEY or OPENAI_API_KEY).
  • ANTHROPIC_API_KEYsecretUpstream Anthropic API key. Used when the requested model is claude-* / anthropic-*. Required if you call Claude models on the free tier (BYOK).
  • OPENAI_API_KEYsecretUpstream OpenAI API key. Used when the requested model routes to OpenAI. Required if you call OpenAI models on the free tier (BYOK).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.2.9
Registry
active
Published
7/31/2026

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