Free tierAn open-source terminal AI agent for inspecting codebases, editing files, running commands, searching the web, and extending workflows with MCP.
Coding & Dev
All tools
View more Free tier 
Free tier
Free tier
Access
Free tier
0
AI Agents & Chatbots Checked Aug 5, 2026
Merlin AI
A browser and web AI sidekick that brings multiple models, summaries, writing, research, file analysis, and task help into the page you are already using.
Best for: People who want quick help while reading, watching, writing, researching, or working in Gmail, documents, and social sites without switching to another chat tab.
What you can do with it
- Summarize a long webpage, PDF, or YouTube video while keeping the source in view
- Draft, rewrite, translate, or reply to text inside a browser workflow
- Compare models, analyze a file or spreadsheet, and turn research into a usable report
Good to know
- Works in the context of the page instead of forcing constant copy-paste
- Combines chat, summaries, writing, research, files, images, and browser help
- Free plan provides a practical way to test the extension and workspace
Limitations
- Free access is limited across models, tools, images, and extension features
- Quality, quotas, and privacy depend on the selected model and current plan
- Browser agents and generated content still need a human check before sending or publishing
Other official links
Keep exploring
Similar tools
Free tier Free tierChat, research, create, and delegate browser tasks without leaving the page you are working on.
AI Agents & Chatbots
Free tierAn open-source coding agent that can understand a repository, edit files, run terminal commands, and verify changes with human approval.
Coding & Dev