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sandbox.permissions prop is not respected - hardcoded in setupSandboxProxyIframe

Status: Open.

#184 In MCP-UI-Org/mcp-ui;

· kvtemadden opened on Feb 20, 2026

client SDK: sendSandboxResourceReady missing permissions parameter

Status: Open.

#180 In MCP-UI-Org/mcp-ui;

· aharvard opened on Feb 10, 2026

Multiple message listeners accumulate causing duplicate event handling

Status: Open.

#177 In MCP-UI-Org/mcp-ui;

· aharvard opened on Feb 6, 2026

AppRenderer: Add hostInfo and hostCapabilities props

Status: Open.

#175 In MCP-UI-Org/mcp-ui;

· aharvard opened on Feb 6, 2026

Return text content along with UI

Status: Open.

#171 In MCP-UI-Org/mcp-ui;

· dvejsada opened on Jan 9, 2026

C# Server Sdk support

Status: Open.

#161 In MCP-UI-Org/mcp-ui;

· WeihanLi opened on Dec 10, 2025

Uncaught ReferenceError: process is not defined in ui-resource-renderer.wc.js

Status: Open.

#160 In MCP-UI-Org/mcp-ui;

· WorldSecond opened on Dec 9, 2025

How to support non-HTML-based surfaces?

Status: Open.

#152 In MCP-UI-Org/mcp-ui;

· lrosenthol opened on Nov 25, 2025

The +mcp structured syntax suffix needs to be registered with IANA

Status: Open.

#151 In MCP-UI-Org/mcp-ui;

· lrosenthol opened on Nov 25, 2025

ui:// protocol needs to be registered with IANA

Status: Open.

#150 In MCP-UI-Org/mcp-ui;

· lrosenthol opened on Nov 25, 2025

live demo is not working.

Status: Open.

#145 In MCP-UI-Org/mcp-ui;

· ZiqiYe77 opened on Nov 21, 2025

Python version for Apps SDK

Status: Open.

#143 In MCP-UI-Org/mcp-ui;

· mgathena opened on Nov 5, 2025