POPCORN MCP Server: Install & Setup

Install POPCORN in Claude Code

Remote URL

Claude Code

claude mcp add --transport http popcorn https://767-2676.com/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "popcorn": {
      "url": "https://767-2676.com/mcp"
    }
  }
}

npm

Claude Code

claude mcp add popcorn -- npx -y @violetclaire/popcorn-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "popcorn": {
      "command": "npx",
      "args": [
        "-y",
        "@violetclaire/popcorn-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the POPCORN MCP server do?

Witness layer for agents: signed receipts binding a fingerprint to a witnessed time. $0.001.

Is the POPCORN MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does POPCORN run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add POPCORN to Claude Code?

Run: claude mcp add --transport http popcorn https://767-2676.com/mcp

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