# Steel Cursor API Evaluation

**Category:** Browser
**Score:** 87 (B)

This is the agent-readable Devtool Arena evaluation page for Steel on Cursor API.

## Summary

| Metric | Value |
|--------|-------|
| Status | completed |
| Overall score | 87 |
| Grade | B |
| Eval score | 82 |
| Discovery score | 100 |
| Cost | $0.11 |
| Runtime | 1m 7s |
| Tool calls | 17 |
| Errors | 0 |
| Tokens used | 269628 |
| Success | Yes |

## Agent-Readiness Checklist

| Signal | Evidence |
|--------|----------|
| Context7 | https://context7.com/steel-dev/steel-browser |
| llms.txt | https://docs.steel.dev/llms.txt |
| MCP server | https://github.com/steel-dev/steel-mcp-server |
| Typed SDK | https://github.com/steel-dev/steel-node |
| OpenAPI | https://api.steel.dev/sdk-openapi.json |
| Agent skills | https://docs.steel.dev/overview/steel-cli#agent-skills |
| CLI | https://github.com/steel-dev/cli |

## Evaluation Prompt

````text

# Task
Using https://docs.steel.dev, complete the following task:

Using Steel, build me a Python script that:

1. Install the Steel Python package
2. Open a browser session
3. Navigate to "https://example.com"
4. Extract the page title and the main heading (h1) text
5. Take a screenshot and save as "screenshot.png" (if supported)
6. Close the session
7. Print results as JSON: {"url": "...", "title": "...", "heading_text": "...", "screenshot_saved": true/false}

Use the official Steel Python library — not raw HTTP calls. 

## Execution
After creating the script, run it to verify it works:
```bash
cd /home/daytona/app && python <your_script>.py
```

The script should print output to stdout. If there are errors, debug and fix them until it runs successfully.

````

## Grader Results

| Check | Passed | Weight | Score | Details |
|-------|--------|--------|-------|---------|
| Cost | Yes | 0 | 1 | $0.11 ($0.10–0.20, great) |
| Time | Yes | 0 | 1 | 67s (1–2min, great) |
| Efficiency | Yes | 0 | 0 | 17 tool calls (≤20, acceptable) |
| Found Docs | Yes | 0 | — | Touched docs at docs.steel.dev: yes (6 matching tool calls) |
| Zero Errors | Yes | 0 | — | No errors in tool outputs |
| Syntax Valid | Yes | 0 | — | Code compiles/parses correctly |
| Created Files | Yes | 0 | — | Generated files: 2 (need ≥1) |
| Full Execution | Yes | 0 | — | Method: full_execution, Exit: 0 |

## Run Artifacts

| Artifact | Value |
|----------|-------|
| Conversation turns | 22 |
| Tool call traces | 17 |
| Generated files | 2 |
| Exit code | 0 |
| Completed at | 2026-10-20T04:51:41.657854+00:00 |

### Generated Files

- /home/daytona/app/automate.py
- /home/daytona/app/requirements.txt

## Related Pages

- [Cursor API leaderboard](/cursor/api)
- [Compare Cursor API companies](/cursor/api/compare)
- [Agent Landscape](/discoverability)

Canonical URL: https://devtoolarena.com/cursor/api/steel