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io.github.x-tkn/x-tkn-mcp

Official registry Security

Lets an AI agent hand a secret to a person as a one-time link, with no way to read it back.

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @x-tkn/mcp
Claude Code 
claude mcp add x-tkn-mcp -e 'X_TKN_API_KEY=<your x_tkn_api_key>' -e 'X_TKN_API_KEY_ID=<your x_tkn_api_key_id>' -- npx -y @x-tkn/mcp@1.0.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "x-tkn-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "@x-tkn/mcp@1.0.1"
            ],
            "env": {
                "X_TKN_API_KEY": "<your x_tkn_api_key>",
                "X_TKN_API_KEY_ID": "<your x_tkn_api_key_id>"
            }
        }
    }
}

Environment variables

  • X_TKN_API_KEY secret Your X-TKN API key. Developer keys are free: create one in the account console at x-tkn.com. Either this or X_TKN_API_KEY_ID is read, this one first.
  • X_TKN_API_KEY_ID secret Read when X_TKN_API_KEY is not set. Holds the same API key.

Frequently asked questions

What is io.github.x-tkn/x-tkn-mcp?

Lets an AI agent hand a secret to a person as a one-time link, with no way to read it back.

How do I install io.github.x-tkn/x-tkn-mcp?

It runs on your machine. In Claude Code: claude mcp add x-tkn-mcp -e 'X_TKN_API_KEY=<your x_tkn_api_key>' -e 'X_TKN_API_KEY_ID=<your x_tkn_api_key_id>' -- npx -y @x-tkn/mcp@1.0.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.x-tkn/x-tkn-mcp need an API key?

Yes. It expects X_TKN_API_KEY, X_TKN_API_KEY_ID, which you set in its configuration.

Who maintains io.github.x-tkn/x-tkn-mcp?

It is published by x-tkn. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.