browser automation reliability fixer
Diagnose and fix flaky browser automation, race conditions, and fragile selectors for reliable agent workflows.
$5
Works with the AI Agents you already use
Claude Code
Cursor
Codex CLI
Muse
Dots+21 moreClaude CodeCursorCodex CLIMuseDots
Manus
Grok
Grok Bot+18 agentsbrowser automation reliability fixer
Example session with this skill installed
Our Playwright script intermittently fails to click the 'Export' button on the dashboard. It seems to happen when the data table is still loading. Here is the code: page.click('.btn-primary');
- Read your context and instructions
- Compiled the browser automation reliability
I have analyzed the race condition in your dashboard export workflow. The failure stems from a selector collision with other primary buttons and a lack of state validation for the data table.
Browser Automation Repair Plan
| Component | Current State | Proposed Fix |
|---|---|---|
| Selector | .btn-primary (Generic) | button[data-testid="export-btn"]:not([disabled]) |
| Wait Strategy | None (Immediate click) | Wait for .data-grid-ready visibility |
| Pre-condition | Page load | Verify table > tbody > tr count > 0 |
| Post-condition | Click sent | Validate download event or 'Export Started' toast |
Implementation
// Optimized implementation for reliability
async function exportDashboardData(page) {
// 1. Wait for data grid to stabilize
await page.waitForSelector('.data-grid-ready', { state: 'visible', timeout: 10000 });
// 2. Target specific button with ARIA or test-id to avoid generic class collisions
const exportBtn = page.locator('button[data-testid="export-btn"]');
// 3. Ensure button is interactive
await exportBtn.waitFor({ state: 'visible' });
// 4. Handle download promise to ensure artifact integrity
const [download] = await Promise.all([
page.waitForEvent('download'),
exportBtn.click(),
]);
const path = await download.path();
if (!path) throw new Error('Export failed: No file path returned');
return path;
}
Next steps
- Replace the generic
.btn-primaryselector with the suggesteddata-testidlocator in your component code. - Wrap the click action in a
Promise.allblock to catch the download event. - Monitor the CI pipeline for 'Export Started' toast visibility to confirm successful invocation.
Connects securely to your tools. The creator never sees your data.
About this skill
Flaky browser automation wastes engineering hours and breaks CI/CD pipelines. This skill diagnoses unstable agent workflows and provides bounded fixes for selectors, race conditions, and state validation.
What it does
- Root-cause diagnosis maps workflow failures to identify the exact point of divergence.
- Selector optimization designs stable, scoped selectors tied to semantic or unique row contexts.
- State validation establishes pre-conditions and post-conditions for every material browser action.
- Idempotency design creates retry behaviors that prevent duplicated external side effects.
- Artifact verification ensures downloads and uploads are validated before downstream use.
How it works
- Provide the workflow description, failure logs, and current automation code.
- The skill maps the workflow and ranks hypotheses involving navigation, auth, or async rendering.
- It generates a repair plan focused on state-based waits and deterministic logic.
- It outputs a regression matrix to ensure the original failure is resolved.
Frameworks & tools
Works with Playwright, Selenium, Puppeteer, and Cypress. Applicable to any browser-based agent framework or RPA tool requiring high reliability.
Why this beats prompting it yourself
General LLMs often suggest generic sleep() calls or fragile selectors. This skill enforces strict quality rules against blind waits and requires side-effect reconciliation, ensuring your fixes are production-ready.
Use cases
- Fix intermittent timeout errors in CI/CD pipelines.
- Prevent duplicate form submissions during network instability.
- Handle dynamic content that renders asynchronously after page load.
- Ensure file downloads are complete before processing.
Known limitations
Requires specific failure symptoms or logs to provide accurate diagnoses. Cannot execute code directly in your environment.
Requires specific failure symptoms or logs for accurate diagnosis. Cannot execute code directly.
How to use
- 1
Connect your agent to the Agensi MCP
Copy the prompt and paste it into Claude, ChatGPT, Cursor or any agent that supports MCP. It sets up the connection for you. Manual setup
- 2
Sign in to Agensi
Your agent shows a sign-in link. Sign in and click Allow.
- 3
Ask for what you need
Your agent loads this skill and uses it on your task. It always asks before any payment.
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