Coolhand - Human Feedback for AI

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Leverage User Feedback to Make Your AI Work Better, Faster, Cheaper

Collect Better Human Feedback on Your AI Outputs

Add a single HTML attribute to start capturing user reactions

60-Second Integration

<!-- Add to your <head> -->
<script src="https://cdn.coolhand.ai/coolhand.min.js"></script>

<!-- Wrap any AI output -->
<div coolhand-feedback>
  AI response content...
</div>

Add the script, then mark any element with coolhand-feedback to enable rating and revision tracking. Works with any AI provider.

"Draft an email to my manager summarizing the key features of Coolhand and how it can help with our AI quality bottlenecks."
✓ Revisions automatically sent to Coolhand

Connect Your Data to Unlock Cost & Quality Insights

Zero-config SDKs automatically log AI API calls and match them to user feedback

Ruby

Zero-config LLM monitoring for Ruby apps

# Gemfile
gem 'coolhand'
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Python

Zero-config LLM monitoring for Python apps

# Install
pip install coolhand
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Node.js

Zero-config LLM monitoring for Node.js

# Install
npm install coolhand-node
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Meets you where you are. No new services to deploy.

Get change suggestions tailored to the languages and tools you're already using—no complex infrastructure required. View API Docs →

Sample Optimization

Adjust Email Tone Based on User Feedback

Email Drafter
Low Complexity
Quality Improvement
Feedback-Driven

Your AI Moat Is Human Insight + Rapid Iteration

The model isn't your advantage—how fast you learn from users is. Coolhand closes the feedback loop automatically with PRs and issues.

Monitor

Coolhand tracks your AI requests and user feedback in real-time, building a complete picture of your workloads.

Analyze

AI identifies patterns, optimization opportunities, and issues from your data, backed by latest LLM research.

Automate

Get PRs for prompt fixes, issues for bigger changes—all with risk labels and research-backed explanations.

Simple Fixes

Automatic PR submission for prompt updates and validation rules

Complex Changes

Detailed issues with suggested approaches for architectural improvements

Risk Assessment

All recommendations include risk labels and sandbox-tested solutions

Ready to take control of your AI workflows?

Join organizations already using Coolhand to optimize their LLM implementations.