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Build with One Horizon

Connect an AI assistant, work from the terminal, call the API from your own service, sign users in with One Horizon, or react to workspace events. If you already know the route or event you need, open the API reference.

Pick a tool

ToolBest for
MCPConnect AI assistants to workspace context and tools.
CLIWork from the terminal, inspect work, send items to coding tools, and run local agents.
API KeysAuthenticate trusted server-side API and SDK calls for one workspace.
REST APIRead or update workspace data from your app, service, script, or CI job.
JavaScript SDKGenerated TypeScript clients and types for Node.js.
Swift SDKGenerated Swift clients and models for iOS and macOS.
OAuth AppsAdd Log in with One Horizon or Connect One Horizon to an app that needs user-approved workspace access.
WebhooksNotify a service when workspace events happen.

Building an agent?

Build your own agent to run it on your machine, or build a cloud agent for a shared service. To use the built-in coding agents instead, see Agents & Workflows.

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Claude Code

Claude Code

Run Claude Code as a local agent worker, or connect Claude Code to One Horizon through MCP.

Custom app

Build a custom integration with OAuth apps, webhooks, the REST API, and the JavaScript SDK.

Cursor

Cursor

Let Cursor use One Horizon work as the brief through MCP or a local agent.

MCP

Let AI assistants read and act on One Horizon work context through tools.

  • Pick a tool
  • Building an agent?
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