AI Agent for Your Browser
HARPA AI is a browser extension, powered by a hybrid AI-engine that combines GPT (ChatGPT, Gemini, ClaudeAI) with Web Automation. It automates copywriting, email management, web search, online data extraction, and web monitoring tasks. It's used to quickly write and reply to emails, post comments and DMs, summarize and “talk to” web pages, YouTube videos, PDF documents, extract and research SEO keywords, create SMM content plans and Midjourney prompts, automate form filling, write blog articles, review CVs, job offers and legal documents, plan trips, track competitors, prices and SERP pages, create learning plans, search for information and more. HARPA runs locally, does not store your data, and is trusted by 400.000+ professionals and teams of all sizes, with an average review score of 4.7. It has a hybrid Browser Automation/AI engine and is compatible with OpenAI GPT, Anthropic Claude, Google Gemini and Meta Llama. HARPA does not keep logs of your conversations and actions, is GDPR compliant, and can be paired with any LLM model of your choice.
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Handle multi-step workflows autonomously
Example
Schedule meeting → Find time → Send invite → Confirm attendees
Save 5-10 hours/week on routine coordination tasks
Gather data from multiple sources and summarize
Example
Research competitor pricing across 5 websites, create comparison table
Reduce research time from hours to minutes
Analyze options and recommend actions
Example
Review 20 vendor proposals, score against criteria, rank top 3
Make data-driven decisions faster
AI agents combine large language models with tools, memory, and decision-making logic to autonomously complete multi-step tasks without constant human guidance.
Large language model for reasoning and decision-making
Understand tasks, plan steps, generate responses
APIs, databases, external services the agent can call
Take actions beyond text generation (search, compute, write files)
Short-term (conversation) and long-term (persistent) memory
Maintain context across interactions and learn from past actions
Decision engine for choosing next action
Plan multi-step workflows and handle errors/edge cases
Prerequisites
Steps
✓ Do
✗ Don't
Key Metrics
Optimization Tips
HARPA AI has been stable for production-ish demos; the explainx.ai page was a useful single link to share internally.
HARPA AI has been stable for production-ish demos; the explainx.ai page was a useful single link to share internally.
HARPA AI is a strong agent listing on explainx.ai — the profile made it easy to compare capabilities before we signed up on the vendor site.
According to our evaluation, HARPA AI benefits from clear positioning — fewer buzzwords than typical agent landing pages.
HARPA AI is among the more trustworthy entries we bookmarked; the explainx.ai profile reads like a practitioner summary.
According to our evaluation, HARPA AI benefits from clear positioning — fewer buzzwords than typical agent landing pages.
HARPA AI is among the more trustworthy entries we bookmarked; the explainx.ai profile reads like a practitioner summary.
According to our evaluation, HARPA AI benefits from clear positioning — fewer buzzwords than typical agent landing pages.
HARPA AI is among the more trustworthy entries we bookmarked; the explainx.ai profile reads like a practitioner summary.
We compared HARPA AI with three neighbors in the same category; this one had the most concrete “what it does” framing.
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Key Considerations
