modelcontextprotocol/ext-apps

COLLECTIONattested
v1.7.4modelcontextprotocolNOASSERTIONUpdated 2mo agonpmGitHub

Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers

Build interactive UIs for MCP tools — charts, forms, dashboards — that render inline in Claude, ChatGPT and any other compliant chat client. Excalidraw built with MCP Apps, running in Claude Build with Agent Skills The fastest way to build an MCP App is to let your AI coding agent do it. This repo ships four Agent Skills — install them once, Skill | What it does | Try it |…

This collection bundles
4 skills

⚠ The trust score below reflects the installer package @modelcontextprotocol/ext-apps only. The bundled units are not individually verified or scanned — review them before use.

Attested build
A verified provenance attestation binds this artifact to the listed repository. Nobody has claimed the listing yet — this proves where the code was built, not who stands behind it.
1.7MDownloads/wk
2kGitHub stars
317Forks
2mo agoLast update
Package
Authormodelcontextprotocol
LicenseNOASSERTION
Version1.7.4
Sourcegithub
npm@modelcontextprotocol/ext-apps
GitHubmodelcontextprotocol/ext-apps
Trust Status
A
85/100Trusted
✓Listed in Forge index+10/10
✓Identity verified · attested build+20/20
—Ed25519 publish signature+0/5
→ Included automatically when the publisher runs `forge publish`
—Domain verification+0/5
→ Publisher: host /.well-known/forge.json on the package homepage with { "publisher": "<github-login>" }
✓npm Trusted Publishing (Sigstore)+5/5
—npm maintainer match+0/5
→ Publisher: add the verified GitHub login to the npm package's maintainers (npm owner add <login>)
✓CVE scan · clean+30/30
✓Static analysis · clean+20/20
Paste into Claude Code, Cursor, or any AI assistant to fix all gaps
StatusIdentity verified
PublisherUnverified
SignatureUnsigned
Domain—
Provenance✓ Sigstore-verified · ca1d298
Dependencies✓ 1 resolved · none vulnerable
Tool surface—
Security scan✓ Cleanv1.7.4 · 2mo ago
EvalsNone
IndexedJun 13, 2026

Verification confirms publisher identity (repo ownership), not code safety. The security scan covers known CVEs and suspicious install scripts — it cannot prove the absence of malicious code.

About

Build interactive UIs for MCP tools — charts, forms, dashboards — that render inline in Claude, ChatGPT and any other compliant chat client. Excalidraw built with MCP Apps, running in Claude Build with Agent Skills The fastest way to build an MCP App is to let your AI coding agent do it. This repo ships four Agent Skills — install them once, Skill | What it does | Try it | --------------------------------------------------------------------------- |…

Keywords
aiappsmcpmcp-appsmodelcontextprotocoluicollection