OnceAsk for Claude.ai

io.github.rsb6061/onceask

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

client:Claude.ai transport:streamable-http tools:4

Install OnceAsk in Claude.ai

Settings → Connectors → Add custom connector

https://onceask.com/_api/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

resolve_delivery
request_delivery_permission
list_handwritten_cards
send_handwritten_card

OnceAsk in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

OnceAsk MCP server