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pen.dev
Agent-driven MCP canvas built around an open design format that lives in your codebase.
What is pen.dev?
Agent-driven MCP canvas built around an open design format that lives in your codebase. Works with Cursor, VSCode, Claude Code, OpenAI Codex, and any IDE of your choice.
Product typeDeveloper Tools & Platforms
Pricing · Free
Deployment
APINot available
What teams use pen.dev for
Bringing design directly into the user's IDE
Agent-driven MCP design canvas for developers
Integrations and access
Platforms, integrations, and language support vary by plan and region. Confirm final requirements with the vendor.
Platforms
IntegrationsAPI and webhooks
Languages
Support
What reviewers say
Community reviewsReviews are owned and editable by their authors.
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Enterprise readiness
Compliance claims are normalized from current vendor documentation and independently reviewed by SOTA2.
Encryption in transit
Encryption at rest
Access controls
Data retention:
Benchmarks and comparisons
Independent benchmarksStructured task results are being verified.
Side-by-side comparisonsComparison workspaces will be available in a later release.
