| title | Examples |
|---|
Complete applications built on the Agents API guide, each running against a real Core installation with a Project API key.
A small single-user product built on Core. You save model providers, Skills and MCP servers, combine them into Agents, then start Sessions in a managed sandbox, with no workspace, or on your own machine.
Source: example/parsar.
Run and configure it with the example README, which also owns its supported features, storage and validation.
Each feature maps to one part of the API. Read the code next to the guide section:
| Feature | API used | Guide | Code |
|---|---|---|---|
| Server-side key and headers | Bearer key, OpenAI-Beta, route allowlist |
Before you start | server.mjs |
| Agents with a Harness and model | x_agents_core.harness, model_provider |
Core extensions | server/sessions.mjs |
| Sessions on three runtimes | openai_hosted, none, self_hosted with workspace_directory |
Create a Session | server/sessions.mjs |
| Crash-safe Session creation | Idempotency-Key, recovery from a lost response |
Idempotency | server/sessions.mjs |
| Live replies | Event stream, text deltas, reconnect and reconcile | Stream events | src/lib/live-session.ts |
| Follow-ups and cancel | Input events with idempotency keys | Send input | src/Composer.tsx |
| History | Paging Turns and Items | Pagination | src/lib/api.ts |
| Skills and versions | /skills, default version |
Skills | src/Skills.tsx |
| Connect your own machine | x_agents_core.installation, Environment status |
Run self-hosted Sessions | src/ConnectMachine.tsx |
To contribute an example, follow the application example boundary.