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OnceAsk

Registre officiel IA et agents

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

Code source Site web Documentation

Installation

Ajoutez ceci à la configuration MCP de votre client (Claude Desktop : claude_desktop_config.json ; Cursor : .cursor/mcp.json ; VS Code et les autres utilisent la même forme « mcpServers »).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http onceask 'https://onceask.com/_api/mcp'
Configuration JSON (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "onceask": {
            "type": "http",
            "url": "https://onceask.com/_api/mcp"
        }
    }
}

Documentation

Tirée du README du projet sur GitHub, actualisée chaque semaine. Les liens ouvrent GitHub.

Sommaire
  1. OnceAsk MCP — Contacts + Current Mailing Addresses
  2. MCP endpoint
  3. What makes OnceAsk different
  4. Core MCP tools
  5. Example agent workflows
  6. Useful links
  7. Live directory listings
  8. MCP Registry
  9. Website
  10. Contact

OnceAsk MCP — Contacts + Current Mailing Addresses

Official MCP discovery repo for OnceAsk, a contacts and address-book MCP for AI agents that need a person's current mailing address, not just the last address stored in a contact record.

Addresses change. OnceAsk keeps them current.

OnceAsk helps an AI assistant resolve a known person to a current, permissioned delivery destination or request an update when the address is missing or stale.

MCP endpoint

https://onceask.com/_api/mcp

Transport: Streamable HTTP

Registry identity: io.github.rsb6061/onceask

What makes OnceAsk different

A conventional contacts integration can tell an agent who a person is and expose whatever fields are stored for that contact. OnceAsk focuses on the next problem: is this person's mailing address current and usable for this physical-delivery action?

OnceAsk can return an explicit delivery state instead of treating a saved address as automatically current:

  • authorized — the recipient is ready for an authorized delivery action.
  • permission_required — request recipient permission.
  • address_update_required — ask the recipient to confirm or update the current address.
  • ambiguous — ask the user which matching person they mean.
  • not_found — collect or create the recipient first.

Core MCP tools

resolve_delivery

Resolve a known person or contact to a current delivery state. This is the preferred primitive for AI agents that need to send something physical.

request_delivery_permission

Trigger the recipient-confirmation flow when an address is missing, stale, or not yet authorized.

list_handwritten_cards

List supported Handwrytten card designs and handwriting styles without exposing recipient data.

send_handwritten_card

Fulfill an authorized card delivery using an opaque delivery token. The preferred flow does not return the recipient's raw street address as ordinary model output.

Example agent workflows

  • "Send Aunt Theresa a birthday card."
  • "Mail this client a thank-you gift."
  • "Get John's current mailing address before we send the invitation."
  • "Ask Sarah for her new address."
  • "Send the document to Mike without relying on the address in our old CRM record."

The agent can identify the person from its existing context, then use OnceAsk to resolve the current delivery state.

Live directory listings

These listings point to the same production endpoint and registry identity: io.github.rsb6061/onceask.

MCP Registry

The registry metadata is defined in server.json.

To verify the official registry listing:

curl "https://registry.modelcontextprotocol.io/v0.1/servers?search=io.github.rsb6061/onceask"

Website

https://onceask.com

Contact

requests@onceask.com

Questions fréquentes

Qu'est-ce que OnceAsk ?

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

Comment installer OnceAsk ?

Il fonctionne comme serveur distant. Dans Claude Code : claude mcp add --transport http onceask 'https://onceask.com/_api/mcp'. Pour les autres clients, collez la configuration JSON de cette page dans leurs réglages MCP.

Faut-il une clé API pour OnceAsk ?

Son entrée au registre n'indique aucune clé ni secret obligatoire. Certaines fonctions peuvent tout de même demander un compte auprès du service auquel il se connecte.

OnceAsk est-il open source ?

Son code est public sur GitHub, mais le dépôt ne déclare pas de licence standard.

Qui maintient OnceAsk ?

Il est publié par rsb6061. AI.tn le référence sans le maintenir ni le recommander.

Issu du registre MCP officiel. Être listé n'est pas une recommandation : vérifiez le code et les permissions d'un serveur avant de lui donner accès à vos données.