MCPLow riskUnclaimed

lucairn-mcp-server

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

Decladedeclade/lucairn-mcp-server★ 2Updated Jul 31, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.Declade/lucairn-mcp-server",
  "description": "Pseudonymizes PII before your LLM and returns a cryptographically signed receipt per response.",
  "repository": {
    "url": "https://github.com/Declade/lucairn-sdks",
    "source": "github"
  },
  "version": "1.2.9",
  "websiteUrl": "https://lucairn.eu/developer/mcp",
  "packages": [
    {
      "registryType": "npm",
      "identifier": "@lucairn/mcp-server",
      "version": "1.2.9",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Lucairn 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).",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "LUCAIRN_API_KEY"
        },
        {
          "description": "Upstream Anthropic API key. Used when the requested model is claude-* / anthropic-*. Required if you call Claude models on the free tier (BYOK).",
          "format": "string",
          "isSecret": true,
          "name": "ANTHROPIC_API_KEY"
        },
        {
          "description": "Upstream OpenAI API key. Used when the requested model routes to OpenAI. Required if you call OpenAI models on the free tier (BYOK).",
          "format": "string",
          "isSecret": true,
          "name": "OPENAI_API_KEY"
        },
        {
          "description": "Override the gateway URL. Defaults to https://gateway.lucairn.eu (production). Set this to point at a self-hosted Lucairn deployment.",
          "format": "string",
          "name": "LUCAIRN_BASE_URL"
        },
        {
          "description": "Transport mode for the MCP server. One of 'direct-http' (default; v1.1+ behavior) or 'stdio-bridge' (v1.2+ opt-in).",
          "format": "string",
          "name": "LUCAIRN_TRANSPORT"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—node
Installs—npm:@lucairn/mcp-server@1.2.9
Runs install scripts—None
NetworkNoneNone
Needs credentialsANTHROPIC_API_KEYLUCAIRN_API_KEYOPENAI_API_KEYANTHROPIC_API_KEYLUCAIRN_API_KEYOPENAI_API_KEY
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #11.2.9latestOct 7, 2026