The Transfer MCP server,
connected in one click.
Free no-signup file transfer, handoff & scratchpad memory for AI agents. Share files by url. Connect the official Transfer MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add Transfer to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http transfer https://upload.83blue.com/mcpRun in your terminal, then restart Claude Code.
Transfer · https://upload.83blue.com/mcp
What your AI can do with Transfer
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “share_text”: Use this when another AI agent, chat session or person needs text you have: instructions, code, JSON, a prompt for another model. Uploads it.”
“Use “share_file”: Use this when another AI agent (a different machine, model or chat session) or a person needs access to one or more files. Accepts text or b.”
“Use “share_conversation”: Use this to hand your full working context to another AI: any provider, any model, any chat client. Packages a markdown transcript (instruct.”
“Use “receive_file”: Use this when you have been given an 83blue transfer link and need the file. Accepts a capability url (https://upload.83blue.com/f/...) on i.”
How secure is the Transfer MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Transfer holds up.
Official endpoint
Operated by Transfer (83blue.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Transfer adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Transfer
Choose Transfer in the gate directory. No sign-in needed.
Use it anywhere
Transfer's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Transfer exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
share_text — Use this when another AI agent, chat session or person needs text you have: instructions, code, JSON, a prompt for another model. Uploads it
share_file — Use this when another AI agent (a different machine, model or chat session) or a person needs access to one or more files. Accepts text or b
share_conversation — Use this to hand your full working context to another AI: any provider, any model, any chat client. Packages a markdown transcript (instruct
receive_file — Use this when you have been given an 83blue transfer link and need the file. Accepts a capability url (https://upload.83blue.com/f/...) on i
Who runs the Transfer MCP server?
The Transfer MCP server at a glance
https://upload.83blue.com/mcpQuestions, answered
Is there an official Transfer MCP server?
Yes — Transfer operates its own remote MCP server at upload.83blue.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Transfer to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Transfer in the directory. No account or sign-in is needed. From then on, Transfer's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Transfer runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Transfer MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Transfer in minutes. No credit card required.
Connect more than just Transfer
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Transfer in: Claude · Claude Code · ChatGPT · Cursor · VS Code