Webmcp-react
React hooks that turn your website into an MCP server
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Chrome recently shipped navigator.modelContext in Early Preview. It's a browser API that lets any website expose typed, callable tools to AI agents.I built webmcp-react because we wanted a simple way to add tools to our React app and figured others could benefit from it as well. You wrap your app in <WebMCPProvider>, call useMcpTool with a Zod schema, and that's it. Handles StrictMode, SSR, dynamic mount/unmount, and all of the React lifecycle.It also comes with a Chrome extension in the repo that acts as a bridge for MCP clients (Claude Code, Cursor, etc.), since they can't access navigator.modelContext directly. Once Chrome ships native bridging, will depracate the extension.I expect the spec may evolve, but contributions, feedback, and issues welcome!
HN · launched Mar 5, 2026 · 5 upvotes (top 89%) · 0 views
Niche: mcp server developer tools · 108 launches, 12 in the last 7 days ▲ +50% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Developer
- AI-native
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 108 launches in mcp server developer tools →
Could you build this?
Yes The library consists of standard React hooks that register schemas and callbacks with Chrome's experimental `navigator.modelContext` browser API.
Discussion
3 comments analyzed.
Competitors
Other products that read as similar to this one : 218 launches clear the similarity bar, closest 8 shown.
Attention rank: #209 of 219 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 116 days after the earliest competitor.
- Web MCP Bridge · ph · 2026-11-04 · 1 upvotes · similarity 0.48
- jev-ultrafast-mcp · github · 2026-09-19 · 14 upvotes · similarity 0.44
- Skybridge · ph · 2026-06-22 · 581 upvotes · similarity 0.44
- Hands-Rust MCP/CLI that sees the Windows desktop and clicks real Chrome · hn · 2026-08-23 · 5 upvotes · similarity 0.44
- WebMCP Workbench · ph · 2026-10-20 · 2 upvotes · similarity 0.44
- webmcp-action · github · 2026-09-22 · 10 upvotes · similarity 0.43
- Webctl · hn · 2026-01-14 · 134 upvotes · similarity 0.43
- jev-webmcp-extension · github · 2026-09-19 · 108 upvotes · similarity 0.42
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