A Cursor and Claude Code plugin that gives your agents direct access to the Plain customer support platform via its GraphQL API.
With this plugin, your agent can read customers, threads, conversations, help center articles, and more - directly from your terminal.
| Resource | Read | Write |
|---|---|---|
| Customers | List, get, search by name/email/external ID | - |
| Threads | List, get, search, read full timeline | Add internal notes |
| Help Center | List centers, articles, groups | Create/update articles and groups |
| Companies | List, get | - |
| Tenants | List, get | - |
| Labels | List | - |
| Tiers & SLAs | List, get with SLA configs | - |
| Broadcasts | List, get, search, send history, per-recipient deliveries, recipient preview | Create, update, delete drafts. Never schedules or sends |
| Broadcast audiences | List, get | Create, update, delete |
| Workspace | Get info | - |
- "What are the open support threads for customer john@example.com?"
- "Read the full conversation on thread th_01ABC and summarize it"
- "Add a note to thread th_01ABC with my investigation findings"
- "Create a help center article about how to reset passwords"
- "Which customers are in the Enterprise tier?"
- "How many channels would a broadcast to the Enterprise tier reach?"
- "Draft a broadcast announcing bulk actions to our Enterprise tenants"
- "Which recipients did last week's broadcast fail to reach, and why?"
npx skills add team-plain/plain-support# Try it locally first
claude --plugin-dir /path/to/plain-support
# Or install from a marketplace that includes this plugin
/plugin install plain-support@marketplace-namegit clone git@github.com:team-plain/plain-support.git
claude --plugin-dir ./plain-supportIn Plain, go to Settings > Machine users & API Keys to create an API key. Then set it as an environment variable:
export PLAIN_API_KEY="plainApiKey_..."Add it to your shell profile (.bashrc, .zshrc, etc.) to persist across sessions.
The plugin requires curl and jq:
# macOS
brew install jq
# Ubuntu/Debian
sudo apt-get install jq
# curl is pre-installed on most systemsOnce installed, invoke the skill in Claude Code:
/plain-support
Claude will then have access to all Plain API commands. You can ask questions naturally:
- "List my open threads"
- "Find the customer with email support@acme.com"
- "Show me the timeline for thread th_01H..."
- "Create a draft article about our refund policy"
MIT
