Search results

Claude Desktop (Store): stdio MCP tools discovered but tools/call never reaches server (regression)

bugSomething isn't workingSomething isn't working

Status: Open.

#225 In modelcontextprotocol/mcpb;

· cfrancisTimbercreek opened on Apr 6, 2026

Feature Request: Bundle Attestation for API Backend Verification

Status: Open.

#224 In modelcontextprotocol/mcpb;

· lancetarch opened on Apr 3, 2026

[BUG] Claude Desktop (Windows MSIX) — MSIX registry silo prevents all C:\Windows\System32\OpenSSH\ binaries from executing in child processes

bugSomething isn't workingSomething isn't working

Status: Open.

#223 In modelcontextprotocol/mcpb;

· Promithius-DR opened on Mar 30, 2026

Filesystem MCP write_file returns success but files don't exist (Claude Desktop 1.1.8308, macOS)

bugSomething isn't workingSomething isn't working

Status: Open.

#219 In modelcontextprotocol/mcpb;

· colorgreg opened on Mar 23, 2026

[BUG] mcpb validate warns about icon size even for 512x512 PNGs

bugSomething isn't workingSomething isn't working

Status: Open.

#218 In modelcontextprotocol/mcpb;

· stickerdaniel opened on Mar 21, 2026

open_presentation with SharePoint URL does not maintain file handle

bugSomething isn't workingSomething isn't working

Status: Open.

#215 In modelcontextprotocol/mcpb;

· chillinbg opened on Mar 20, 2026

support configuration of an already installed MCP server

enhancementNew feature or requestNew feature or request

Status: Open.

#202 In modelcontextprotocol/mcpb;

· marklemay opened on Mar 10, 2026

Feature Request: Support for MCP servers integrated with native applications

enhancementNew feature or requestNew feature or request

Status: Open.

#182 In modelcontextprotocol/mcpb;

· chrisvanbuskirk opened on Jan 18, 2026

Incompatibility with native modules (ABI mismatch) in Node.js bundles

Status: Open.

#180 In modelcontextprotocol/mcpb;

· vinayh opened on Jan 16, 2026

Feature Request: Add server.type = "bash" for Bash-based MCP servers

enhancementNew feature or requestNew feature or request

Status: Open.

#179 In modelcontextprotocol/mcpb;

· yaniv-golan opened on Jan 14, 2026

Feature Request: Declarative Filesystem Permissions in MCPB Manifest

enhancementNew feature or requestNew feature or request

Status: Open.

#177 In modelcontextprotocol/mcpb;

· jqnatividad opened on Jan 7, 2026

Support for remote MCP servers (streamable HTTP transport)

enhancementNew feature or requestNew feature or request

Status: Open.

#176 In modelcontextprotocol/mcpb;

· appcypher opened on Jan 7, 2026