Integrations

Linear

Connect Castrel to Linear for issue, project, cycle, and team management queries.

Overview

To use Linear tools, create a Connector with the following fields:

Field	Required	Description
`api_key`	No	Personal Access Token (generated in Linear under Settings → API → Personal API Keys)
`access_token`	No	OAuth 2.0 Bearer Token (used when following the OAuth flow)
`timeout`	No	Request timeout in seconds (default: `60`)
`verify_ssl`	No	Verify SSL certificates (default: `true`)

Choose either api_key or access_token. A Personal API Key is recommended for quick setup.

This connector provides a comprehensive set of Linear project management tools.

Issue queries: Filter and query Issues by ID, status, priority, and assignee
Issue create/update: Create new Issues or update existing Issue status and fields
Project management: Query project lists, progress, and associated Issues
Cycles: Retrieve current and historical Cycle information
Team management: Query team members, workflow states, and labels

Freshworks / Freshservice

Connect Castrel to Freshservice for ticket, problem, change, and asset management queries.

ClickHouse

Connect Castrel to ClickHouse for high-performance columnar database log and analytics queries.