# Harness Ops Prompt Inspector

> OPS-only dev-mode visual API binding for React/Next.js or static HTML UI elements and REST endpoints.

- Skill: `30eggis/harness-ops-prompt-inspector` (Agent Skill, multi-file: 8 files)
- Install (CLI): `npx skillmds add 30eggis/harness-ops-prompt-inspector`
- Raw SKILL.md: https://api.skillmd.com/api/skills/30eggis/harness-ops-prompt-inspector/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: 30eggis (https://skillmd.com/u/30eggis)
- Updated: 2026-08-19
- Page: https://skillmd.com/skills/30eggis/harness-ops-prompt-inspector

---


# OPS Prompt Inspector

OPS-only visual tool for binding UI elements to REST APIs in React/Next.js or static HTML projects during development builds.

Use this skill only when OPS is responsible for a dev-mode build/run or verification environment where screen-level communication would be improved by an on-page inspector. Do not install it into production builds.

## Quick Setup

**Recommended: Use the installation agent for seamless setup:**

```
Task(
  subagent_type="harness-ops-prompt-inspector:installer",
  prompt="Install PromptInspector to <project_path>",
  permissionMode="bypassPermissions"
)
```

**Or run manually:**

```bash
bash scripts/install.sh <project_path>
```

This automatically:
1. Detects project type (Next.js App/Pages Router or static `index.html`)
2. Copies component to `components/PromptInspector.tsx`, or static script to `public/prompt-inspector-static.js`
3. Injects into root layout or `index.html` (dev mode only)
4. Discovers all APIs in the project

## Workflow

```
1. Setup     → Run setup.py (auto-injects component)
2. Discover  → Run discover_apis.py (find all APIs)
3. Bind      → Select elements, configure API connections
4. Export    → Copy markdown spec for implementation
```

## Step 1: Discover APIs

```bash
python3 scripts/discover_apis.py <project_path>
```

Finds:
- Backend: Express, FastAPI, NestJS, Next.js API routes
- Frontend: axios, fetch, ky, SWR, React Query

## Step 2: Visual Binding

After setup, toolbar appears at bottom-right in dev mode:

1. **Select Element** → Click any UI element
2. **Choose Action** → Comment Only / Connect API
3. **Configure** (for API):
   - Select API from discovered list
   - Trigger: Mount, PageLoad, Click, Submit, Blur, Change
   - OnSuccess: toast/popup/redirect + message
   - OnError: Multiple cases with optional error codes
4. **Export** → Copies markdown specification

## Output Format

```markdown
# Route: /users

## 1. POST /api/users
- Selector: `button.submit-btn`
- Trigger: onClick
- OnSuccess: toast ("User created")
- OnError #1: [ERR_DUPLICATE] toast ("Already exists")
- OnError #2: toast ("Unknown error")

## 2. Comment
- Selector: `#header`
- Comment: Needs redesign
```

## Manual Setup (if auto fails)

1. For React/Next.js, copy `assets/PromptInspector.tsx` to project's `components/`

2. Add to root layout:
```tsx
import { PromptInspector } from '@/components/PromptInspector';

// Inside layout, before </body>:
{process.env.NODE_ENV === 'development' && <PromptInspector />}
```

3. For static HTML, copy `assets/prompt-inspector-static.js` to `public/` and add before `</body>`:
```html
<script src="/public/prompt-inspector-static.js" data-harness-ops-prompt-inspector></script>
```

## Handler Templates

See [references/handler-templates.md](references/handler-templates.md) for code generation patterns.