CLI-Anything Examples
Real-world demonstrations of CLI-Anything harnesses in action. Each example shows an AI agent (Claude Code) using a generated CLI to produce a complete, useful artifact — no GUI needed.
Draw.io — HTTPS Handshake Diagram
Harness:
cli-anything-drawio| Time: ~4 min | Artifact:.drawio+.png
An agent creates a full HTTPS connection lifecycle diagram from scratch — TCP three-way handshake, TLS negotiation, encrypted data exchange, and TCP four-way termination — entirely through CLI commands.
Final artifact
What it demonstrates:
- Creating shapes (rectangles, labels) with precise positioning
- Adding styled connectors (arrows with colors, labels, dashed lines)
- Section-based layout with color-coded phases (orange/purple/teal/red)
- Exporting to PNG via the Draw.io backend
Contributed by @zhangxilong-43
Slay the Spire II — Game Automation
Harness:
cli-anything-slay-the-spire-ii| Artifact: Automated gameplay session
An agent plays through a Slay the Spire II run using the CLI harness — reading game state, selecting cards, choosing paths, and making strategic decisions in real-time.
What it demonstrates:
- Real-time game state reading and decision making
- Complex multi-step strategy execution
- Agent-driven interaction with a live application
Contributed by @TianyuFan0504
VideoCaptioner — Auto-Generated Subtitles
Harness:
cli-anything-videocaptioner| Artifact: Captioned video frames
An agent uses the VideoCaptioner CLI to automatically generate and overlay styled subtitles onto video content, with bilingual text rendering and customizable formatting.
| Sub A | Sub B |
 |
 |
What it demonstrates:
- Automatic speech-to-text subtitle generation
- Bilingual caption overlay (Chinese + English)
- Styled text rendering with custom formatting and positioning
Contributed by @WEIFENG2333