Connect Plain with Hookshot™ and your stack

Plain is a collaborative support platform for B2B support teams, offering a modern, AI-powered interface to consolidate support channels and assist customers efficiently.

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Tools and triggers

What Agents can do in Plain

Available tools and events after Plain is connected.

  • Add Customer to Group

    Tool to add a customer to one or more customer groups. Use when you have a customer and groups ready.

  • Create Customer Group

    Creates a new customer group in Plain for organizing and segmenting customers. Customer groups allow you to categorize customers (e.g., by pricing tier, feature access, or support level) and manage them more…

  • Create Thread

    Tool to create a new thread. Use after obtaining valid customer identifier.

  • Delete Customer

    Tool to delete a customer from the system. Use when you need to remove a customer by their ID.

  • Delete User

    Tool to delete a user from the system. Use when you need to remove a user by their ID after confirming existence.

  • Fetch Company

    Tool to fetch company details by ID. Use when you need the full profile of a company, including name, domain, contract value, owner info, and timestamps.

  • Fetch Issues

    Fetches external issue tracker links (Jira, Linear, GitHub, etc.) associated with a customer's threads. Returns a flattened list of all issue links across the customer's threads, including the thread context for each…

  • Fetch Tier

    Tool to fetch a tier by its ID. Use when you have a tier ID and need its metadata before proceeding. Example: "Fetch tier with ID tier_123".

  • Get Customer by Email

    Fetch customer details by email address. Returns customer information if found, or null if no customer exists with that email.

  • Get Customer by ID

    Tool to retrieve details of a specific customer by their unique ID. Use after obtaining the customer's ID to fetch their complete record.

  • Get Customers

    Tool to fetch a list of customers. Use when retrieving multiple customer records with pagination, filtering, or sorting.

  • Get Thread by ID

    Fetches comprehensive details of a specific thread by ID, including customer info, status, priority, labels, and assignments. Returns null if thread not found.

  • Get User by ID

    Fetch workspace user/team member by ID. Returns detailed information about a workspace team member including their name, email, status, and avatar. Note: This fetches workspace users (team members), not customers. Use…

  • List Customer Groups

    Tool to list all customer groups. Use when you need to retrieve group metadata with optional pagination or filters.

  • List Threads

    Tool to retrieve a paginated list of threads. Use when you need to list threads with optional status filtering.

  • List Tiers

    Tool to retrieve a list of tiers with pagination. Use when you need to browse available tiers after determining pagination cursors. Example: 'List tiers with first=25'.

  • Remove Customer From Group

    Removes a customer from one or more customer groups in Plain. Use this action to revoke customer group memberships. The customer must be a member of the specified group(s) - attempting to remove a customer from a group…

  • Run GraphQL Query

    Execute any GraphQL query or mutation against Plain API. Use when no specific action exists or for complex operations like thread timelines, advanced filtering, and custom data retrieval. Supports queries, mutations…

  • Send Message

    Tool to send a new message within a thread. Use after identifying the thread and preparing message content.

  • Update Company

    Upserts (creates or updates) a company in Plain. Provide either companyId (for updating an existing company by ID) or companyDomainName (for upserting by domain). Use this to create new companies, update existing…

  • Update Thread

    Tool to update a thread's title. Use when renaming a thread after confirming its ID.

  • Upsert Customer

    Tool to upsert (create or update) a customer. Use when syncing or ensuring a customer record exists before subsequent actions.

Setup

Connect Plain in Hookshot™

Pick a scope, then confirm what can start a Protege and what it can do.

Trigger Access

What can start a Protege from this app.

Tool Access

What a Protege can do after it starts.

Connection scope

Prefer team for production.

Team

Shared credential for production and unattended runs.

Personal

Tied to one user—only when the workflow needs their account.

Chat

Team-scoped for supported chat surfaces.

Full setup guide

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Hookshot™ setup screen — AI agent workflow configuration with model selection, trigger status, and governance controls.