MCP server · CyberMax

Ledgermoor Table to Excel MCP server

Turn any table into a real .xlsx or CSV file: numbers stay numbers, header frozen. Free, no storage.

Free: Free; fair-use rate limit

Connect

Streamable HTTP endpoint: https://chatgpt-apps.cybermax-tools.workers.dev/mcp (the original https://chatgpt-apps.cybermax-tools.workers.dev/mcp keeps working). Add it to Claude Desktop, Cursor, Windsurf or VS Code:

{
  "mcpServers": {
    "ledgermoor": {
      "type": "http",
      "url": "https://chatgpt-apps.cybermax-tools.workers.dev/mcp"
    }
  }
}

No key needed for the free tier. For more calls, add your paid key as the x-api-key header. Full API docs: https://chatgpt-apps.cybermax-tools.workers.dev/docs · Product page: Ledgermoor Table to Excel

Tools

Tool	What it does	Effect	Inputs (* required)

Security and data handling

Your tool arguments are used only to answer that call. They are not saved to a database, shared, sold or used for training.
To make repeat lookups fast, some servers keep the public answer to a lookup in Cloudflare's edge cache for up to 7 days (most for 1 hour or less). It holds the public result, not who asked.
Free tier: a per-day counter keyed by a SHA-256 hash of your IP address and the date (in a Cloudflare Durable Object). The raw IP is not stored.
Paid key: the key is checked with the payment provider (Stripe; Polar for older keys) and the result is cached for 10 minutes; usage is counted per key per month.
No accounts, cookies or tracking on the MCP endpoint. Errors may appear in Cloudflare's short-lived Worker logs.
Every tool is read-only: it looks up public data and returns it. No tool writes, deletes, sends messages or spends money.

Registry and source

Official MCP Registry: dev.workers.cybermax-tools.cybermax/ledgermoor, version 1.0.0.
Public manifest, tool schemas and security notes (MIT): gitlab.com/CyberMax.tools/agent-tools/mcp/ledgermoor. The hosted service code is not public.
Report a vulnerability: security policy.

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