Purpose
HARPA AI is positioned as an AI agent and copilot for web browsing, search, and automation tasks, combining multiple large language models with web automation for online work such as copywriting, email management, web search, online data extraction, and web monitoring.
Main Capabilities
- Multi-model integration: Supports OpenAI GPT-5.4, Anthropic Claude 4.6, Google Gemini 3.1, Grok, Perplexity, DeepSeek, and others.
- Content summarization: Can summarize YouTube videos, blogs, and PDFs within seconds.
- Writing and communication: Replies to emails, proofreads, and generates articles, with a large library of copywriting prompts, supports 18 writing styles, and can mimic the user's style.
- Webpage understanding and operation: Can read, understand, and operate webpage content, can navigate, click, and extract data, and paste the results back into websites after processing through large language models, or trigger IFTTT chains such as Zapier and Integromat.
- Data scraping and research: Extracts and researches SEO keywords, creates social media content plans and Midjourney prompts.
- Automation commands: HARPA has over 100 built-in preconfigured commands, and users can also create their own to automate workflows, such as steps for navigation, clicking, extraction, processing via GPT, and sending emails.
- Search assistance: Provides AI search assistance for Google, Google Scholar, Baidu, Bing, DuckDuckGo, Brave, Yahoo, Naver, Yandex, Kagi, and Searx.
- Prompt parameters: Supports preset parameters such as {{page}}, {{transcript}}, {{selection}}, {{gpt}}, and also allows custom {{p1}}, {{p2}} and global parameters such as {{g.tone}}.
- Chunk processing: Uses chunking technology to divide long content into small chunks, processed sequentially through the {{chunk}} parameter, to adapt to the token window limits of large language models.
How to Use
HARPA runs as a Chrome browser extension. Users need to connect an AI service provider, and can use a ChatGPT account, OpenAI API key, ClaudeAI, Google Gemini, OpenRouter and its API key, or through the S planConnect CloudGPT. The GPT version and model can be switched via the connect button below the chat window, or by entering commands such as -3, -4, and -c in the chat. The AI reply language and interface language can be changed in settings, or by using the {{language}} parameter in the prompt.
Use cases
- Quickly draft and reply to emails, post comments, and send direct messages.
- Summarize and "chat" with web pages, YouTube videos, and PDF documents.
- Extract and research SEO keywords, create social media content plans and Midjourney prompts.
- Automatically fill out forms and write blog posts.
- Review resumes, job opportunities, and legal documents.
- Plan trips, track competitors, prices, and SERP pages.
- Create study plans, search for information, and more.
Limitations
- HARPA currently does not support Google Sheets.
- On some domains such as Discord, Brave and Edge may need fingerprint protection disabled.
- Blocking tools such as uBlock may prevent HARPA from loading on some websites; try disabling blocking for the web page.
- New YouTube videos or videos with low view counts may not have transcripts.
- A Firefox version and UI translations are not yet available; these are planned features.
- A server-side API is a planned feature.
Privacy and data security
HARPA is privacy-focused, runs on the user's computer, does not send or store website data to remote servers, only performs tasks requested by the user, and does not display ads or sell user data. GPT prompts that users enter into HARPA are transparently sent to OpenAI, Google, or ClaudeAI servers for processing and are not stored on their servers.
Pricing
HARPA offers a basic free version and a demo period for advanced features. The basic S plan starts at $12 per month with annual billing and includes the CloudGPT connection, cloud command storage, chat history, and more. Regarding higher-tier plans, specific feature limits, and price changes, the official text does not provide further details.
Performance
HARPA is optimized for speed and performance, and does not use CPU when no tasks are running. Users can limit the number of automations running simultaneously in the HARPA app settings.
Meaning of the name
HARPA stands for High Availability Robotic Process Automation,Robotic Process Automation, and aims to bridge the gap between AI and automation, serving as a virtual assistant and a business digital workforce.
