Anthropic: Claude Code v2.1.186 brings MCP login/logout, workflow filtering and skills management

Anthropic releases Claude Code v2.1.186 with MCP authentication

Anthropic released Claude Code v2.1.186 on June 22, 2026 — an update that brings functional extensions for development teams using Claude Code in automated and server environments. Unlike the previous version v2.1.185, which was exclusively a UX patch (changing the stream-stall message and raising the threshold from 10 to 20 seconds), v2.1.186 introduces new commands and expands the plugin interface.

What is MCP login/logout and why does it matter for SSH?

MCP (Model Context Protocol) — the open standard that lets AI agents access external tools and data sources — previously required interactive authentication. The new login and logout commands solve this problem: SSH sessions, CI/CD pipelines, and automated workflows can now authenticate MCP servers without user interaction. This is a key step for teams running Claude Code as part of unattended agentic pipelines.

Workflow filtering and skills management

New status filtering (key f) in the /workflows agent detail view allows development teams to quickly navigate long workflow lists — especially useful when working with multiple parallel agents. A Skills section has been added to the /plugin Installed tab, centralizing the overview and management of all installed skills in one place rather than the previous scattered approach.

Bugfixes and integrations

Version 2.1.186 resolves several bugs that affected agentic workflows: a streaming crash after the sleep command, incorrect positioning of subagent transcripts, and a permission prompt for named subagents. A fix for enterprise cost display was also added. On the integrations side, Claude Code gains iTerm2 support with fallback warnings for users running terminals without iTerm2. Bash commands prefixed with ! now automatically trigger a Claude response — behavior that is configurable according to team preferences.

The rapid delivery pace continues

Anthropic continues its fast release cycle: v2.1.185 was published on June 20 and v2.1.186 just two days later. Cumulatively, from v2.1.128 (released May 5, 2026) to v2.1.186, 58 versions shipped in fewer than seven weeks — an average of more than one release per day, reflecting the intense pace of development in the Claude Code ecosystem.