ExcaliClaw
Claim this toolCollaborative hand-drawn diagram workspace with AI integration
Free plan available, paid tiers aboveFreemium Diagramming
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Tracked since 2026
The Bottom Line
- Price
- Free plan available, paid tiers above. Compare plans
Key facts
- Real-time collaborative hand-drawn diagram creation with persistent storage
- Built-in MCP tools let AI agents in Claude, Cursor, and VS Code draw alongside you
- Organize diagrams with collections and find anything instantly with search
Pros
- Seamless real-time collaboration for teams
- AI agents can directly draw and modify diagrams via MCP
- Persistent storage ensures no work is lost
Cons
- Limited to hand-drawn diagram style, may not suit precise technical drawings
- MCP integration requires familiarity with AI agent setup
What is ExcaliClaw?
ExcaliClaw is a collaborative workspace designed specifically for creating, organizing, and sharing hand-drawn style diagrams. It combines persistent storage with real-time collaboration, allowing teams to work together on the same canvas simultaneously. The platform includes features such as collections for grouping related diagrams, instant search across all content, and powerful sharing options, making it easy to manage complex visual projects.
One of ExcaliClaw's standout capabilities is its native support for the Model Context Protocol (MCP), enabling AI agents like those in Claude, Cursor, and VS Code to participate in the diagramming process. This means users can instruct AI assistants to add, modify, or annotate diagrams directly within their development environment, blending human creativity with machine assistance.
The tool is ideal for developers, designers, and teams who prefer a freeform, hand-drawn aesthetic for brainstorming, system architecture sketches, user flows, and other visual documentation. With its focus on seamless collaboration and AI integration, ExcaliClaw bridges the gap between traditional whiteboarding and modern AI-powered workflows.
Louis Corneloup Source excaliclaw.com ↗
Key Features
- Persistent storage for all diagrams and edits
- Real-time collaboration with live syncing
- Collections to group related diagrams
- Instant search across entire workspace
- MCP (Model Context Protocol) integration for AI agents
- Sharing options for collaboration and viewing
Pricing
Freemium
ExcaliClaw offers a generous free tier with optional paid upgrades for advanced features.
Reviews
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ExcaliClaw FAQ
What is MCP and how does ExcaliClaw use it?
MCP (Model Context Protocol) is a standard that lets AI agents communicate with tools. ExcaliClaw implements MCP so that AI agents like those in Claude, Cursor, and VS Code can directly interact with your diagrams, adding elements, repositioning shapes, or annotating content, as instructed.
How does real-time collaboration work in ExcaliClaw?
When you share a diagram with collaborators, all changes are synced instantly across everyone's screens. Multi-user cursors appear, and edits merge seamlessly, enabling live co-editing sessions without conflicts.
What are collections and how do they help organize diagrams?
Collections are folders-like groupings that let you categorize related diagrams by project, team, or topic. They make it simple to navigate large workspaces and keep your visual documentation structured.
Can I search for diagrams by content or title?
Yes, ExcaliClaw's instant search scans diagram titles, text elements, and metadata, returning results as you type. This lets you find any diagram quickly, even if you forget its exact name.
Does ExcaliClaw support export to standard file formats?
ExcaliClaw allows exporting diagrams to common formats like PNG, SVG, or PDF, so you can embed them in documents, presentations, or external wikis. The export preserves the hand-drawn look.
Is ExcaliClaw a web app or a desktop application?
ExcaliClaw is a web-based workspace that runs entirely in your browser, so it works across devices without installation. However, its MCP integration enables direct interaction from desktop AI tools like Cursor and VS Code.
How can AI agents draw with me in ExcaliClaw?
By connecting ExcaliClaw via MCP to AI-enabled editors, you can issue natural language commands (e.g., 'add a cloud shape here') and the AI agent will execute changes directly on the canvas, acting as a collaborative drawing partner.
What types of diagrams are best suited for ExcaliClaw?
ExcaliClaw is ideal for freeform, hand-drawn style visuals like architecture sketches, user flow diagrams, mind maps, and conceptual models. Its informal aesthetic is well-suited for early-stage brainstorming and collaboration, rather than formal engineering diagrams.
Source: excaliclaw.com