How Tencil compares.

Several tools let you point a coding agent at your UI. They differ in what they hand the agent, who starts it and where you work. Each comparison is checked against the other tool’s own site, and says when to pick it instead.

$npx tencil

Comparisons

Side by side, with a table, a verdict for each and a few questions.

Tencil vs React GrabReact Grab copies a React element’s file, component and HTML for you to paste into your agent. Tencil sends it to your agent with your prompt and streams the change back onto the page.
Tencil vs AgentationAgentation turns UI annotations into structured context you paste or serve over MCP. Tencil sends each pin to Claude Code or T3 Code and streams the change back onto the element.
Tencil vs stagewisestagewise is an open-source agentic IDE with its own browser and agents on any model. Tencil adds element pins to the dev site in your own browser and hands them to Claude Code or T3 Code.