Plain's hosted server connects an MCP client to a Plain workspace with about thirty tools, including replies and thread updates. You sign in with your Plain user, so actions carry that person's permissions.
“Show my assigned threads and summarize the five most urgent. Draft a reply to the top one in the chat, and do not send it.”
Plain's docs put the server at https://mcp.plain.com/mcp. Authentication is OAuth with the scopes openid and offline_access. There is no separate API key. Plain says most clients ask before a write tool runs, and a reply is sent as the connected user.
The docs group the tools into threads, customers, tenants, help center, and workspace. You need a Plain account, so the cost label is paid account. The reply and article tools are why the risk is high.
MCP server · Starting point
Intercom's hosted server lets an agent search and fetch conversations and contacts in a US workspace. The repository documents six tools, all of them for finding and reading, using OAuth or a bearer token.
Medium risk · Copy and paste · Paid account
MCP server
Freshworks hosts an MCP server on your Freshdesk address so an AI app can work with tickets, contacts, and the knowledge base using an API key. Freshworks' help article includes create actions for tickets, notes, and solution articles.
High risk · Copy and paste · Paid account
MCP server
A community server for Help Scout that searches conversations, customers, organizations, reports, and Docs. Write actions such as replies, notes, tags, and assignment exist but stay off unless you opt in.
Medium risk · Terminal · Paid account
