Glue
An open-source design canvas built for AI coding agents. Glue gives agents (and the humans working with them) an infinite canvas to create and iterate on real UI components, with two-way sync between the visual design and production code. From YC W26, founded by ex-Microsoft, Amazon and Meta engineers.
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Our take
Glue rethinks the design tool with AI agents as the primary user: an infinite canvas like Figma, but rendering live UI components that sync two-way with production code. Open source, so teams adopt it free or self-host. It's very early (YC W26, $4M) and aimed at builders rather than non-technical designers - more a bet on where design tooling is heading than a finished product, but a novel one.
Best for
Engineering and design teams experimenting with AI coding agents that need a shared visual canvas wired directly to their codebase.
Pros
- Open source - adopt at zero cost or self-host
- Infinite canvas renders live UI components, not static mockups
- Two-way sync between visual design and production code
- Built for AI agents as first-class users
Cons
- Very early (YC W26); rough edges expected
- Aimed at builders and agents, not non-technical designers
- Design-to-code space is filling up fast
How it compares
Where Onlook in our catalog targets human designers editing React, Glue's twist is treating AI coding agents as the primary user of the canvas.
Full review
Glue is an open-source design editor built around an unusual premise: the primary user is an AI coding agent, not a human designer. It gives agents an infinite canvas - like Figma or tldraw, but rendering live UI components rather than static mockups - to create new interfaces and iterate on existing ones, with the changes flowing both ways between the canvas and production code.
The architecture has three parts: a canvas layer, an agent communication layer, and a code-sync layer that keeps the visual and the code in step in real time. The team (ex-Microsoft, Amazon and Meta, YC W26, $4M raised) is betting that open source lets it spread through agent workflows at zero cost. It is early and clearly aimed at builders rather than non-technical designers, but as a bet on where design tooling goes once agents do the building, it is one of the more interesting entries.
Cloudkart Trust Graph
3.8/5- Actual Utility4/5
Source: Initial LLM-authored rubric (backfill)
- Ease of Use3/5
Source: Initial LLM-authored rubric (backfill)
- Pricing Fairness5/5
Source: Initial LLM-authored rubric (backfill)
- Reliability3/5
Source: Initial LLM-authored rubric (backfill)
- Differentiation4/5
Source: Initial LLM-authored rubric (backfill)
Scored as of . Each score is versioned and auditable; vendors cannot buy it.
How this score is set
- Editorial rubric
- Primary signal — five dimensions, 3.8/5 average.
- Community reviews
- None yet.
- Pricing verified
- Not yet verified
- Independence
- Score set by our editorial team before any affiliate relationship is considered. No vendor can buy it.
Frequently asked questions
- Is Glue free, and how much does it cost?
- Glue is open source and free to self-host.
- Who is Glue best for?
- Engineering and design teams experimenting with AI coding agents that need a shared visual canvas wired directly to their codebase.
- How is Glue rated on Cloudkart.ai?
- Glue scores 3.8 out of 5 on the Cloudkart.ai rubric, which weighs actual utility, ease of use, pricing fairness, reliability and differentiation. Scores are set editorially and can never be bought.
Community reviews
No community reviews yet. Be the first to share how Glue works for you.
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