MCP server · CyberMax

Leafmelt MCP server

PDF/Word/Excel/HTML to clean Markdown for LLMs and RAG. Keys $19/mo; 50 free calls a day.

Free: 50 free calls a dayPaid: Keys $19/mo

Connect

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

{
  "mcpServers": {
    "leafmelt": {
      "type": "http",
      "url": "https://leafmelt.cybermaxtools.com/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://leafmelt.cybermaxtools.com/docs · Product page: Leafmelt

Tools

Tool	What it does	Effect	Inputs (* required)
`convert_to_markdown`	Convert 1-5 documents (PDF, Word .docx, Excel .xlsx/.xls, OpenDocument, Apple Numbers, CSV, HTML, XML) to clean Markdown for reading or RAG. Pass public URLs in urls, or files as [{name, base64}]. Returns markdown, format, characters, approxTokens and truncated per document. Not for images or scanned PDFs (no OCR).	read-only, calls public sources on the internet, never destructive	`urls`, `files`, `maxChars`
`supported_formats`	List the document formats Leafmelt converts, with file extensions and MIME types.	read-only, calls public sources on the internet, never destructive	none

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/leafmelt, version 1.1.0.
Public manifest, tool schemas and security notes (MIT): gitlab.com/CyberMax.tools/agent-tools/mcp/leafmelt. The hosted service code is not public.
Report a vulnerability: security policy.

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