FlipLetters

MCP server · by flipletters

Other Tools npmStreamable HTTP v0.3.1

Draft, validate, render, and share split-flap and flip-dot board videos written in flipcode.

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.3.1

npm
npx -y flipletters-mcp-server

npm
npx -y [email protected]

Streamable HTTP
https://app.flipletters.com/mcp/v1

Setup by client

Pick your client — the config below is generated for this server (both local and hosted-endpoint forms). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "flipletters-mcp-server"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

Remote (hosted) endpoint

https://app.flipletters.com/mcp/v1

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL, and provide: Authorization.

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env FLIPLETTERS_API_KEY=<YOUR_FLIPLETTERS_API_KEY> mcp-flipletters -- npx -y flipletters-mcp-server

claude mcp add --env FLIPLETTERS_API_KEY=<YOUR_FLIPLETTERS_API_KEY> mcp-flipletters -- npx -y [email protected]

terminal

claude mcp add --transport http mcp-flipletters https://app.flipletters.com/mcp/v1 --header "Authorization: Bearer <YOUR_AUTHORIZATION>"

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "flipletters-mcp-server"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

.cursor/mcp.json (hosted endpoint)

{
  "mcpServers": {
    "mcp-flipletters": {
      "url": "https://app.flipletters.com/mcp/v1",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "flipletters-mcp-server"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "mcp-flipletters": {
      "type": "http",
      "url": "https://app.flipletters.com/mcp/v1",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "flipletters-mcp-server"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-flipletters": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "FLIPLETTERS_API_KEY": "<YOUR_FLIPLETTERS_API_KEY>"
      }
    }
  }
}

mcp_config.json (hosted endpoint)

{
  "mcpServers": {
    "mcp-flipletters": {
      "serverUrl": "https://app.flipletters.com/mcp/v1",
      "headers": {
        "Authorization": "<YOUR_AUTHORIZATION>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

FLIPLETTERS_API_KEY required secret — Your flk_ API key
Authorization required secret header — Bearer token: your flk_ API key from FlipLetters Studio > Account > API keys & agents

About this server

Distributed as npm, Streamable HTTP, listed under Other Tools. Review our MCP security guide before granting access to real data.

Frequently asked questions

How do I install FlipLetters?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is FlipLetters free to use?

The MCP server itself is free to install. The source is public on https://github.com/Terahertz-Inc/flipletters-mcp. Any third-party service it calls may require its own API key and account.

Which clients support FlipLetters?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

Add this badge

Publish this server? Link back with a badge on your README or site — copy either snippet.

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