Agent wiki and visual workspace for Claude Code, Codex and other AI coding agents
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free plan available. hark pro² at $20/month with 2× more usage. hark pro³ at $100/month with 10× more usage. All features available in all plans; upgrading increases usage capacity.
Free: Nimbalyst app and personal wiki. Wiki Teams: $20 per user per month or $200 per user per year (currently free during beta).
Key features
Persistent memory to tailor responses based on shared context
Computer use agent for browsing, research, and web tasks
End-to-end encryption for data security
Action Buttons for prioritized task completion
Email management and sorting
Flight booking and travel planning
Food ordering integration
Appointment booking and healthcare search
Expense auditing and savings recommendations
WYSIWYG markdown editor with AI-assisted editing
Red/green inline diffs for AI changes approval
Visual editors for mockups, diagrams, and drawings
Parallel agent session management
File and session linking
Persistent searchable session history
Pull request review in Developer Mode
MCP server support
What makes it different
Operates its own secure computer with full browser for independent task execution
End-to-end encryption vault for sensitive data protection
User approval required before performing sensitive actions
All features available across free and paid tiers
Agents write the wiki as they work, eliminating manual documentation
Open source and local-first: your data stays on your machine
Built by Evergage founders who scaled to $250M ARR
One unified workspace instead of multiple disconnected tools
Hark
Nimbalyst