The OnceAsk MCP server,
connected in one click.
MCP server for OnceAsk, the AI-native current-address layer for people and agents. Connect the official OnceAsk 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 OnceAsk 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 onceask https://onceask.com/_api/mcpRun in your terminal, then restart Claude Code.
OnceAsk · https://onceask.com/_api/mcp
What your AI can do with OnceAsk
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “resolve_delivery”: Preferred privacy-preserving way to send something to a person. Searches OnceAsk first and, when connected, can discover a missing person fr.”
“Use “request_delivery_permission”: After the user explicitly confirms they want the recipient contacted, ask OnceAsk to request a current delivery address/permission. Accepts.”
“Use “list_handwritten_cards”: List available Handwrytten card designs and handwriting styles for privacy-preserving fulfillment. Does not expose recipient address data.”
“Use “send_handwritten_card”: Fulfill a handwritten card using a delivery token returned by resolve_delivery. OnceAsk sends the recipient address directly to the fulfillm.”
How secure is the OnceAsk MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how OnceAsk holds up.
Security grade A
gate scanned 4 tools on Sep 19, 2026 for prompt injection and risky tool definitions — nothing to flag.
Official endpoint
Operated by OnceAsk (onceask.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 OnceAsk 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 OnceAsk
Choose OnceAsk in the gate directory. No sign-in needed.
Use it anywhere
OnceAsk'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 OnceAsk exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
resolve_delivery — Preferred privacy-preserving way to send something to a person. Searches OnceAsk first and, when connected, can discover a missing person fr
request_delivery_permission — After the user explicitly confirms they want the recipient contacted, ask OnceAsk to request a current delivery address/permission. Accepts
list_handwritten_cards — List available Handwrytten card designs and handwriting styles for privacy-preserving fulfillment. Does not expose recipient address data.
send_handwritten_card — Fulfill a handwritten card using a delivery token returned by resolve_delivery. OnceAsk sends the recipient address directly to the fulfillm
Who runs the OnceAsk MCP server?
The OnceAsk MCP server at a glance
https://onceask.com/_api/mcpQuestions, answered
Is there an official OnceAsk MCP server?
Yes — OnceAsk operates its own remote MCP server at onceask.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 OnceAsk to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick OnceAsk in the directory. No account or sign-in is needed. From then on, OnceAsk's tools are available in every client you've connected to gate.
Do I need to host anything?
No. OnceAsk runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the OnceAsk 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 OnceAsk in minutes. No credit card required.
Connect more than just OnceAsk
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up OnceAsk in: Claude · Claude Code · ChatGPT · Cursor · VS Code