generated: '2026-07-20'
method: searched
status: published
source: https://help.plain.com/article/mcp-server
server:
  name: plain
  transport: http
  url: https://mcp.plain.com/mcp
  auth:
    type: oauth2
    note: Authenticate with your existing Plain account via OAuth. The MCP server inherits the same permissions
      as your user; no API key required. Clients receive an access token and a refresh token.
tool_count: 30
tool_categories:
- name: Threads
  count: 13
  examples:
  - fetch
  - search
  - reply
  - assign
  - mark_done
  - mark_todo
  - snooze
  - prioritize
  - label
  - create_note
- name: Customers
  count: 4
  examples:
  - list
  - fetch_details
  - view_threads
  - search
- name: Tenants
  count: 3
  examples:
  - list
  - fetch_details
  - search
  - upsert
- name: Help Center
  count: 6
  examples:
  - list_centers
  - list_article_groups
  - list_articles
  - upsert_articles
- name: User & Workspace
  count: 4
  examples:
  - fetch_authenticated_user
  - workspace_details
  - find_users
  - list_labels
notes: Write-classified tools require confirmation before execution in most AI clients. An official Cursor
  plugin (team-plain/cursor-plugin-mcp) is also published.
deployment:
  mode: remote
  endpoint: https://mcp.plain.com/mcp
  verified: probed
  probe: gated
  checked: '2026-08-12'
  source: catalog MCP census