MCPDIRECTORY · UNCLAIMED

Retainful MCP by usefulapi

io.usefulapi/retainful

List contacts and lists; create contacts, add them to lists and record events in Retainful.

Connect

$ claude mcp add --transport http retainful https://retainful.usefulapi.io/mcp

Endpoint https://retainful.usefulapi.io/mcp · transport streamable-http

STATUS: ok · 7 tools · 895 ms · checked 2026-11-03 23:48 UTC
TOOLS: retainful_list_contacts, retainful_get_contact, retainful_list_lists, retainful_get_list, retainful_upsert_contact, retainful_add_contact_to_list, retainful_track_event
SOURCE: Official MCP Registry
TRUST: Imported from public registry metadata. Not reviewed by Ventru; the owner has not claimed it.
WEBSITE: https://usefulapi.io/retainful/
REPOSITORY: https://github.com/m190/usefulapi-mcp
VERSION: 1.1.1

Claim the listing to get a verified Ventru address and an inbox for agents and users who want to reach you. Free. Verify with a file on your domain.

[![Ventru](https://ventru.net/badge/servers/io.usefulapi/retainful.svg)](https://ventru.net/servers/io.usefulapi/retainful)

Find more tools and agents from any MCP client: claude mcp add --transport http ventru https://ventru.net/mcp, then ask for ventru_find.