MCP server

OnceAsk

io.github.rsb6061/onceask

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

MCP server for OnceAsk, the AI-native current-address layer for people and agents.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

4

Token cost

About 710 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http onceask https://onceask.com/_api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.onceask]
url = "https://onceask.com/_api/mcp"

Gemini CLI

{"mcpServers":{"onceask":{"httpUrl":"https://onceask.com/_api/mcp"}}}

Cursor

{"mcpServers":{"onceask":{"url":"https://onceask.com/_api/mcp"}}}

VS Code

{"servers":{"onceask":{"type":"http","url":"https://onceask.com/_api/mcp"}}}

Antigravity

agy mcp add onceask https://onceask.com/_api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"onceask","server_url":"https://onceask.com/_api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"onceask","server_url":"https://onceask.com/_api/mcp"}

Tools

• list_handwritten_cards ~72 tokens
  List available Handwrytten card designs and handwriting styles for privacy-preserving fulfillment. Does not expose recipient address data.
• request_delivery_permission ~230 tokens
  After the user explicitly confirms they want the recipient contacted, ask OnceAsk to request a current delivery address/permission. Accepts either a recipientId from resolve_delivery or a person's name/email. OnceAsk searches its contacts and connected Google/Gmail-derived people, then emails the se
• resolve_delivery ~193 tokens
  Preferred privacy-preserving way to send something to a person. Searches OnceAsk first and, when connected, can discover a missing person from Google Contacts or Gmail interactions. Resolves to a short-lived one-time delivery token when recipient permission and a current address exist. Does not retu
• send_handwritten_card Sends messages · ~215 tokens
  Fulfill a handwritten card using a delivery token returned by resolve_delivery. OnceAsk sends the recipient address directly to the fulfillment provider; the agent does not receive it.

Browse

• GitHub tools
• Email
• GitHub and code hosting

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