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Invitation to test MCPay with an MCP project

Status: Open.

#219 In MCP-UI-Org/mcp-ui;

· hizyyo opened on Sep 5, 2026

Python: create_ui_resource() raises ValidationError under mcp 2.0 (resource uri is now str, not AnyUrl)

Status: Open.

#216 In MCP-UI-Org/mcp-ui;

· vvlrff opened on Aug 18, 2026

Reference sandbox proxy (scripts/proxy/index.html) uses stale postMessage protocol → AppFrame timeout / blank card

Status: Open.

#213 In MCP-UI-Org/mcp-ui;

· forge-witt3rd opened on Jul 17, 2026

mcp.ui

Status: Open.

#212 In MCP-UI-Org/mcp-ui;

· alexandercarlis2-dotcom opened on Jul 11, 2026

Unhandled Error: Not connected rejection when AppRenderer sends host-context-change to a torn-down sandbox

Status: Open.

#208 In MCP-UI-Org/mcp-ui;

· KlaasHulder opened on Jul 7, 2026

Idea: Add "state inspector" panel to example for clearer round-trip state visibility

Status: Open.

#197 In MCP-UI-Org/mcp-ui;

· blaster151 opened on Apr 18, 2026

AppRenderer setHostContext effect runs before AppFrame has connected the bridge — Not connected on first mount

Status: Open.

#195 In MCP-UI-Org/mcp-ui;

· halfwitgaslit opened on Apr 16, 2026

AppRenderer sometimes never renders: setup() aborts mid-flight when inline sandbox.url reference changes during iframe load

Status: Open.

#193 In MCP-UI-Org/mcp-ui;

· hihiiamjosh opened on Apr 16, 2026

support Client SDK for Vue

Status: Open.

#192 In MCP-UI-Org/mcp-ui;

· 5enxia opened on Apr 13, 2026

AppFrame sandbox timeout not cleared on effect cleanup — unhandled rejection in React Strict Mode

Status: Open.

#189 In MCP-UI-Org/mcp-ui;

· matsjfunke opened on Apr 7, 2026

feat: Add C# / .NET Server SDK

Status: Open.

#188 In MCP-UI-Org/mcp-ui;

· tlewers01 opened on Apr 6, 2026

sandbox.permissions prop is not respected - hardcoded in setupSandboxProxyIframe

Status: Open.

#184 In MCP-UI-Org/mcp-ui;

· kvtemadden opened on Feb 20, 2026